JP3763659B2 - Turbine monitoring and control system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a turbine monitoring and control device that performs monitoring and control of a turbine.
[0002]
[Prior art]
As shown in FIG. 13, in the conventional turbine monitoring and control apparatus, the turbine monitoring apparatus 4 and the system controller 2 of the turbine control apparatus 3 are connected by a control LAN 5, and information on the master controllers 1a and 1b of the turbine control apparatus 3 The configuration is such that it is transmitted to the turbine monitoring device 4 via the controller 2. The master controllers 1a and 1b have a duplex configuration for performing turbine primary control such as speed control, valve position control, and load control. The system controller 2 performs sequence control, external interface processing, and the like. Secondary control is performed.
[0003]
The turbine monitoring and control apparatus has a problem that even if the turbine monitoring apparatus 4 is operating normally, all the functions are lost when the system controller 2 fails. As a means for solving this problem, there is a configuration shown in FIG. 14 in which system controllers are duplicated. With this configuration, it is possible to prevent the loss of the turbine monitoring device function against a single system failure of the system controllers 2a and 2b.
[0004]
[Problems to be solved by the invention]
The conventional turbine monitoring and control apparatus shown in FIG. 14 has a problem that all functions of the turbine control apparatus 3 are lost when both systems of the system controllers 2a and 2b fail.
[0005]
In addition, the turbine life consumption calculation in the conventional turbine monitoring and control device is performed only by the turbine monitoring device, and the life consumption calculation cannot be performed when the turbine monitoring device fails, and the inaccurate turbine life consumption is calculated. There was a point.
[0006]
In addition, since the CRT screen of the conventional turbine monitoring device determines the operation unit and display unit to be placed on one screen in advance, and the screen software is created accordingly, the operation and display functions for each screen are fixed. There is a problem that if the screen is changed due to the addition of functions or customer comments, the screen software needs to be re-produced.
[0007]
In addition, when there are a plurality of turbine monitoring devices in the conventional turbine monitoring and control device, each monitoring device has software. If the screen design is changed by adding a function or the like, the software of all the monitoring devices is changed. There was a problem that it was necessary to change.
[0008]
Also, in the conventional turbine monitoring device, the turbine control device generally has a longer life and higher reliability, so it is necessary to periodically replace the turbine monitoring device, and the turbine monitoring device retains its own software. Therefore, there is a problem that excessive time and cost are required for the software porting work for incorporating the monitoring software of the old device into the monitoring device.
[0009]
Accordingly, the present invention has been made to solve the above-described problems, and provides a turbine monitoring control device that improves reliability by minimizing loss of function in the case of a partial failure of the turbine monitoring control device. The purpose is to do.
[0010]
[Means for Solving the Problems]
The invention of claim 1 has a turbine primary control function such as turbine speed control, valve position control, load control and the like, and a master controller that mainly performs turbine primary control, sequence control, external interface processing, etc. In a turbine monitoring control device comprising a turbine control device comprising a system controller that mainly performs turbine secondary control, and a turbine monitoring device that monitors turbine control operations, turbines, turbine control devices, etc., a master controller and a system controller; The turbine monitoring device is connected to the same network to enable direct exchange of information between the turbine controller primary control function of the master controller and the turbine primary control function of the turbine monitoring device. According to this means, since the master controller having the turbine primary control function and the turbine monitoring device can directly exchange information on the network, even if the system controller fails, the master controller function is not lost. Information between the turbine primary control function of the controller and the turbine monitoring device can be exchanged for monitoring operation, and reliability can be improved.
[0011]
The invention of claim 2 has a primary controller function of turbines such as turbine speed control, valve position control, load control, etc., and mainly performs primary turbine control, sequence control, external interface processing, etc. A master controller and a plurality of systems, comprising: a turbine control device including a system controller that mainly performs secondary turbine control; and a turbine monitoring device that monitors a turbine control operation, a turbine, a turbine control device, and the like. The controller and the turbine monitoring device are connected by a network, and each system controller has a system controller arithmetic function for executing the original system controller arithmetic function, a master controller arithmetic alternative function for executing the master controller arithmetic, Master control They are obtained as provided with calculation function switching function for switching from the execution of the system controller calculation function to perform the master controller calculation alternative function by input of La failure signal. According to this means, even if one of the plurality of system controllers fails, the remaining sound system controllers can prevent the system controller from losing its functions. Further, even if the master controller fails, the master controller failure signal causes the operation alternative function of the master controller having the turbine primary control function to operate and prevent the loss of the turbine primary control mechanism, thereby improving the reliability. it can.
[0012]
The invention of claim 3 has a turbine primary control function such as turbine speed control, valve position control, load control and the like, and a master controller that mainly performs primary turbine control, sequence control, external interface processing, etc. In a turbine monitoring control device comprising a turbine control device comprising a system controller that mainly performs turbine secondary control, and a turbine monitoring device that monitors turbine control operations, turbines, turbine control devices, etc., a master controller and a system controller; Multiple turbine monitoring devices are connected on the network, and each turbine monitoring device executes a shared function in which all the monitoring functions necessary for turbine monitoring are assigned to each turbine monitoring device. And share function by other turbine monitoring device by alternative start command The other monitoring device substitution function that executes in place of the other stop command, and the other monitoring device status signal indicating the state of the other turbine monitoring device is taken in, the operation state is judged and the alternative start command or the alternative stop is executed. Another monitoring device operating state determination function for outputting a command is provided. According to this means, all turbine monitoring functions are assigned to each turbine monitoring device in the normal state, and the overall monitoring load is reduced. When a turbine monitoring device breaks down, another healthy turbine is provided. The function assigned to the monitoring device replacement function in addition to the monitoring device can be replaced. Therefore, loss of the turbine monitoring function can be prevented.
[0013]
The invention of claim 4 has a turbine primary control function such as turbine speed control, valve position control, load control and the like, and a master controller that mainly performs primary turbine control, sequence control, external interface processing, etc. In a turbine monitoring control device comprising a turbine control device comprising a system controller that mainly performs turbine secondary control, and a turbine monitoring device for monitoring turbine control operations, turbines, turbine control devices, etc., the turbine monitoring device and turbine control The turbine control device monitors the operation status of the turbine monitoring device and outputs a substitute calculation start command when it judges a failure of the turbine monitoring device, while the turbine control device stops the substitute calculation when it judges restoration A monitoring device operating state judgment function that outputs commands and an index of turbine life Turbine consumption monitoring signal input function to input the data required for turbine life consumption calculation for network via the network and turbine calculation by inputting the necessary data from the life consumption calculation signal input function by the alternative calculation start command Turbine life consumption calculation that is equivalent to that of the equipment, while the turbine consumption of the turbine monitoring device that is obtained by the life consumption calculation alternative function that stops the calculation of the turbine life consumption by the alternative calculation stop command and the life consumption calculation alternative function The turbine monitoring device receives a faulty turbine lifetime consumption transmitted via the network from the lifetime consumption transmission function of the turbine controller while providing a lifetime consumption transmission function for transmitting the lifetime consumption to the turbine monitoring device. Life consumption correction function to calculate the turbine life consumption during normal operation, Life consumption calculation function that stores life consumption and stores turbine life consumption at the time of accident by adding turbine life consumption at the time of failure to turbine life consumption during failure received by life consumption correction function. It is intended to be provided. According to this means, when it is determined that the turbine monitoring device has failed, it is determined that the turbine life consumption has been calculated based on the data input via the network according to the alternative calculation start command, and the turbine monitoring device has been restored. Then, the calculation of the lifetime consumption is stopped by the alternative calculation stop command, and the lifetime consumption during the failure is transmitted to the turbine monitoring device. Then, the lifetime consumption during the failure is added to the lifetime consumption before the failure. Thereby, the lifetime consumption during the failure of the turbine monitoring device is also taken into account, and a highly accurate turbine lifetime consumption is obtained.
[0014]
The invention of claim 5 has a turbine primary control function such as turbine speed control, valve position control, load control and the like, and a master controller that mainly performs primary turbine control, sequence control, external interface processing, etc. In a turbine monitoring control device comprising a turbine control device comprising a system controller that mainly performs turbine secondary control, and a turbine monitoring device for monitoring turbine control operations, turbines, turbine control devices, etc., the turbine monitoring device and turbine control The turbine control device monitors the operation status of the turbine monitoring device and outputs a data recording start command when it determines that the turbine monitoring device has failed. On the other hand, when the recovery is determined, the turbine control device stops data recording. The monitoring device operating state judgment function that outputs commands, and the turbine life index To input the data required for calculating the turbine life consumption for the service life through the network, and the data input from the life consumption calculation signal input function according to the data recording start command. Data recording function to stop recording data in response to a data recording stop command, and lifetime consumption calculation data to transmit to the turbine monitoring device signal data for calculating lifetime consumption during failure of the turbine monitoring device obtained by the data recording function While providing a transmission function, the turbine monitoring device calculates the turbine life consumption at normal time and stores the turbine life at the time of failure at the time of failure, while adding the turbine life consumption during the failure at the time of recovery Life consumption calculation function for consumption and lifetime consumption calculation data transmission function of turbine controller Failure period lifetime consumption calculation that receives data for turbine lifetime consumption calculation during failure, which is transmitted via the network, calculates turbine lifetime consumption during failure, and sends it to the lifetime consumption calculation function Function. According to this means, when it is determined that the turbine monitoring device has failed, the life consumption calculation signal data is recorded by the data input via the network according to the data recording start command, and the turbine monitoring device is restored. If it is determined, the data recording of the lifetime consumption calculation signal is stopped by the data recording stop command, and the failure consumption lifetime consumption calculation signal data is transmitted to the turbine monitoring device. Then, the lifetime consumption during failure is calculated from the signal data for calculating lifetime consumption during failure, and the lifetime consumption during failure is added to the lifetime consumption before failure. Thereby, the lifetime consumption during the failure of the turbine monitoring device is also taken into account, and a highly accurate turbine lifetime consumption is obtained.
[0015]
The invention of claim 6 has a turbine primary control function such as turbine speed control, valve position control, load control, etc., and mainly performs a primary turbine control, a sequence controller, an external interface process, etc. A turbine monitoring control device comprising: a turbine control device including a system controller that mainly performs turbine secondary control; and a turbine monitoring device that monitors a turbine control operation, a turbine, a turbine control device, and the like. The turbine control unit is connected to the turbine control unit on the network, and each turbine monitoring unit takes in the rotor temperature signal via the network and calculates the calculated thermal stress value to the turbine control unit. Thermal stress calculation function to transmit via network and network from turbine controller And a lifetime consumption calculation function for calculating lifetime consumption based on the selected thermal stress selection value, while the turbine control device inputs each thermal stress calculation value and inputs any one of the predetermined conditions. A thermal stress selection function is provided in which a value is selected as a thermal stress selection value and transmitted to each turbine monitoring device via a network. According to this means, each turbine monitoring device calculates the thermal stress calculation value based on the rotor temperature signal, and transmits each thermal stress calculation value to the turbine control device. Then, one of the plurality of calculated thermal stress values is selected under a predetermined condition, the selected calculated thermal stress value is transmitted to each turbine monitoring device, and the life consumption is calculated by each turbine monitoring device. As a result, since one thermal stress value is calculated by a plurality of turbine monitoring devices, it is possible to minimize the calculation error of the obtained turbine life consumption and to obtain a highly accurate life consumption.
[0016]
The invention of claim 7 has a turbine primary control function such as turbine speed control, valve position control, load control and the like, and a master controller that mainly performs turbine primary control, sequence control, external interface processing, etc. In a turbine monitoring control device comprising a turbine control device comprising a system controller mainly performing turbine secondary control and a turbine monitoring device for monitoring turbine control operations, turbines, turbine control devices, etc., the turbine monitoring device has a screen Module database function for holding window module data defined for display components and functional units, window module display screen and display position database function for holding display position data on the screen, and window module data and display position for module database function Database Window module data is added to the module database function, the screen display function that displays the display function, the display position change function that changes the display position data by selecting the display screen from the input device and changing the module display position on the screen. Module addition function is provided. According to this means, window module data in which display components and functions are defined in advance is stored in the window database, and screen display position data is stored in the screen display position database. The window module data and the screen display position data can be displayed in any desired screen configuration if selected or specified by the user by any combination of the window module data and the screen display position data. Therefore, the time and labor for creating new software can be deleted when the screen configuration changes.
[0017]
The invention of claim 8 has a turbine primary control function such as turbine speed control, valve position control, load control and the like, and a master controller that mainly executes the turbine primary control, sequence control, external interface processing, etc. In a turbine monitoring control device comprising a turbine control device comprising a system controller that mainly performs turbine secondary control and a turbine monitoring device for monitoring turbine control operations, turbines, turbine control devices, etc., the turbine control device is a turbine While providing a monitoring device software holding function for holding monitoring device monitoring software, the turbine monitoring device transmits a software download command to the turbine control device via the network, inputs monitoring software from the turbine control device, and completes data transmission. Monitoring signal by signal In which was to provide a start-up function to start the hardware. According to this means, the monitoring software is stored in the turbine control device, and the monitoring software is downloaded to the turbine monitoring device at startup. In this case, the turbine monitoring device has a shorter life compared to the turbine control device, and is frequently replaced at a higher frequency than the turbine control device. If the turbine monitoring device itself has its own software, the turbine monitoring device is replaced with a new turbine monitoring device to be replaced. This eliminates the need for excessive time and cost for porting the monitoring software. In addition, the monitoring software can be stored in a highly reliable turbine control device.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
[0019]
FIG. 1 is a block configuration diagram of the turbine monitoring control apparatus according to the first embodiment of the present invention. The same reference numerals as those in FIGS. 13 and 14 showing the prior art indicate the same or corresponding parts.
[0020]
In FIG. 1, the turbine control device 3 has two master controllers 1 a and 1 b and one system controller 2 and is connected to a control LAN 5. Further, the turbine monitoring device 4 is connected to the control LAN 5 and can directly exchange information with the master controllers 1a and 1b.
[0021]
The master controllers 1a and 1b mainly have primary turbine control functions such as turbine speed control, valve position control, and load control. The system controller 2 has secondary turbine control functions such as sequence control and external interface processing. The turbine monitoring device 4 monitors the turbine control device 3 including the turbine primary control function of the turbine control device 3.
[0022]
With this configuration, the two master controllers 1a and 1b, the system controller 2, and the turbine monitoring device 4 are connected on the control LAN 5, and transmission / reception is performed between them. Thereby, each of the master controller 1a and the master controller 1b having the turbine primary control function can directly exchange information with the turbine primary control function of the turbine monitor 4 via the turbine monitor 4 and the control LAN 5. That is, the master controllers 1a and 1b are not indirectly exchanged with the turbine primary control function of the turbine monitoring device 4 via the system controllers 2a and 2b as in the conventional FIG. 13 and FIG.
[0023]
Therefore, even if the system controller 2 in FIG. 1 fails, the turbine primary control function can be executed by the master controllers 1a and 1b without losing the turbine primary control function.
[0024]
As described above, according to the first embodiment, since the master controller having the turbine primary control function and the turbine monitoring device can directly exchange information on the network, the function of the master controller even if the system controller fails. Without the loss, the monitoring operation can be performed by exchanging information between the turbine primary control function of the master controller and the turbine monitoring device, and the reliability can be improved.
[0025]
FIG. 2 is a block configuration diagram of a turbine monitoring and control apparatus according to another embodiment showing the first embodiment.
[0026]
The turbine monitoring and control apparatus shown in the figure is configured by connecting a turbine control apparatus 3 and a turbine monitoring apparatus 4 including a master controller 1 a and 1 b, a system controller 2, and a PIO module 6 and a control LAN 5. The master controllers 1a and 1b, the system controller 2, the PIO module 6 and the turbine monitoring device 4 are connected to the control LAN 5 so that information can be directly exchanged between the master controllers 1a and 1b and the turbine monitoring device 4, and the master A system controller 2 input / output processing alternative function is provided in the controllers 1a and 1b, and a master controller input / output processing alternative function is provided in the system controller 2.
[0027]
According to this embodiment, even if the system controller fails, the function of the turbine monitoring device for the master controller that performs the primary turbine primary control function can be continued. Loss can be prevented, and reliability can be improved.
[0028]
FIG. 3 is a block diagram of a turbine monitoring control apparatus according to the second embodiment of the present invention. The same reference numerals as those in FIGS. 13 and 14 showing the prior art denote the same or corresponding parts.
[0029]
In FIG. 3, the turbine control device 3 has two master controllers 1 a and 1 b and one system controller 2 a and is connected to the control LAN 5. Further, the turbine monitoring device 4 is connected to the control LAN 5 and can directly exchange information with the master controllers 1a and 1b.
[0030]
The master controllers 1a and 1b mainly have primary turbine control functions such as turbine speed control, valve position control, and load control. The system controllers 2a and 2b have turbine secondary control functions such as sequence control and external interface processing. The turbine monitoring device 4 monitors the turbine control device 3 including the turbine primary control function of the turbine control device 3.
[0031]
FIG. 4 is a functional block configuration diagram of the system controller shown in FIG.
[0032]
The system controller 2 is a system controller arithmetic function 11 that is an original function, a master controller arithmetic alternative function 12 that replaces the master controller function, and an arithmetic that switches between the system controller arithmetic function and the master controller arithmetic function according to a master controller failure signal. And a function switching function 13.
[0033]
According to the above configuration, in normal times, the two system controllers 2a and 2b execute the system controller calculation function 11, and the system controllers 2a and 2b are duplicated. In this case, when one system controller fails, a single operation is performed by another system controller. When one master controller fails, a master controller failure signal is input to the arithmetic function switching function 13 in one of the system controllers 2. As a result, the calculation in the system controller is switched from the system controller calculation function 11 to the master controller calculation alternative function 12 by the calculation function switching function 13. As a result, the system controller 2 executes the master controller calculation alternative function and continues the duplex operation of the turbine primary control. Furthermore, even when the two master controllers 1a and 1b fail, the master controller alternative function 12 enables the operation of a single master controller and a single system controller.
[0034]
FIG. 5 is a block diagram showing another embodiment of the turbine monitoring and control apparatus according to the second embodiment of the present invention.
[0035]
The turbine monitoring control device includes a turbine control device 3 including a master controller 1a, 1b, system controllers 2a, 2b, and a PIO module 6, a turbine monitoring device 4, and a control LAN 5. The master controller 1a, 1b, system controller 2a. 2b, the PIO module 6 and the turbine monitoring device 4 are connected to the control LAN.
[0036]
As described above, according to the second embodiment, even when one system controller fails, loss of the function of the system controller can be prevented. Further, even when one master controller fails, the duplex operation of the primary turbine control can be continued by the system controller operating as the master controller. Moreover, even when two master controllers fail, loss of the turbine primary control function can be prevented, and loss of function can be compensated for in response to partial failure of all functions.
[0037]
FIG. 6 is a block diagram of a turbine monitoring and control apparatus showing a third embodiment of the present invention. The same reference numerals as those in FIGS. 13 and 14 showing the prior art denote the same or corresponding parts.
[0038]
In FIG. 6, the turbine control device 3 includes two master controllers 1 a and 1 b and one system controller 2 and is connected to the control LAN 5. Further, the two turbine monitoring devices 4a and 4b are connected to the control LAN 5 so as to directly exchange information with the master controllers 1a and 1b.
[0039]
The master controllers 1a and 1b mainly have primary turbine control functions such as turbine speed control, valve position control, and load control. The system controller 2 has secondary turbine control functions such as sequence control and external interface processing. The turbine monitoring device 4 monitors the turbine control device 3 including the turbine primary control function of the turbine control device 3.
[0040]
FIG. 7 is a functional block configuration diagram of the turbine monitoring control apparatus shown in FIG.
[0041]
As shown in FIG. 7, each turbine monitoring device 4 a, 4 b includes a normal time monitoring function 15, another monitoring device substitution function 16, and another monitoring device operating state determination function 17.
[0042]
Here, the normal-time monitoring function 15 executes a shared function in which all the monitoring functions necessary for turbine monitoring are assigned to each turbine monitoring device. The other monitoring device substitution function 16 is to stop the execution by the substitution stop command. The other monitoring device operation state determination function 17 takes in another monitoring device state signal representing the state of another turbine monitoring device, determines the operation state, and outputs the alternative start command or the alternative stop command.
[0043]
With the above configuration, the normal monitoring function 16 is executed in each of the monitoring devices 4a and 4b during normal operation. When the monitoring device 4a fails, the other monitoring device operation state determination function 17 in the monitoring device 4b determines the failure of the other monitoring device from the other monitoring device state signal 18 received via the control LAN 5, and performs other monitoring. An alternative activation command 19 is transmitted to the device alternative function 16. The other monitoring device replacement function 16 is executed by the replacement start command 19 and replaces the function of the monitoring device 4a.
[0044]
When the monitoring device 4a that has failed is recovered, the other monitoring device operation state determination function 17 in the monitoring device 4b replaces the other monitoring device status signal 18 that is received via the control LAN 5. The substitute stop command 20 is transmitted to the function 16. The other monitoring device substitution function 16 stops substitution of the monitoring device 4a function by the substitution stop command 20 and returns to the normal operation state.
[0045]
According to the third embodiment, the normal monitoring function 15 of each of the monitoring devices 4a and 4b can share the functions at the normal time, and the load on each turbine monitoring device can be reduced. Even in the event of a failure, the sharing function can be replaced by the other monitoring device replacement function 16 in another turbine monitoring device, and the loss of the function can be compensated to prevent the loss of the turbine monitoring function, thereby improving the reliability. be able to.
[0046]
In addition, in 3rd Embodiment, although the turbine monitoring apparatus was demonstrated as 2 units | sets, the case where it is 3 or more units | sets can also be implemented.
[0047]
FIG. 8 is a block diagram of a turbine monitoring and control apparatus according to the fourth embodiment of the present invention. The same reference numerals as those in FIGS. 13 and 14 showing the prior art denote the same or corresponding parts.
[0048]
In FIG. 8, the turbine control device 3 and the turbine monitoring device 4 are connected by a control LAN 5, and the turbine control device 3 includes a life consumption calculation signal input function 31, a life consumption calculation alternative function 32, and a monitoring device operation. A state determination function 33 and a lifetime consumption transmission function 34 are provided. Further, the turbine monitoring device 4 is provided with a life consumption correction function 35 and a life consumption calculation function 36.
[0049]
Here, the life consumption calculation signal input function 31 inputs data necessary for turbine life consumption calculation for use as an index of the turbine life through the network. The life consumption calculation alternative function 32 inputs necessary data from the life consumption calculation signal input function in response to an alternative calculation start command, and calculates the turbine life consumption equivalent to that of the turbine monitoring device. The turbine life consumption calculation is stopped by the stop command. The monitoring device operation state determination function 33 monitors the operation state of the turbine monitoring device and outputs an alternative calculation start command when determining a failure of the turbine monitoring device, while issuing an alternative calculation stop command when determining recovery. Output. The lifetime consumption transmission function 34 transmits the turbine lifetime consumption during the failure of the turbine monitoring device obtained by the lifetime consumption calculation alternative function to the turbine monitoring device. The lifetime consumption correction function 35 is for receiving the turbine lifetime consumption during failure during failure of the turbine monitoring device transmitted from the lifetime consumption transmission function via the network. The life consumption calculation function 36 stores and holds the turbine life at the time of failure at the time of failure, and adds the turbine life consumption during the failure at the time of recovery to obtain the turbine life consumption.
[0050]
According to the above configuration, the life consumption is calculated by the life consumption calculation function 36 of the turbine control device 4 at normal times, and the value is held in the hard disk or the like. When the turbine monitoring device 4 fails, the monitoring device operating state determination function 33 determines the failure of the turbine monitoring device, and transmits an alternative calculation start command 42 to the life consumption calculation alternative function 32.
[0051]
The life consumption calculation alternative function 32 receives the above alternative calculation start command 42, the life consumption calculation signal input function 31 inputs the life consumption calculation signal 41 input through the control LAN 5, and the life consumption calculation is performed by the turbine. Execute until the monitoring device is restored. When the turbine monitoring device 4 is recovered, the monitoring device operation state determination function 33 determines the recovery of the turbine monitoring device 4 and transmits an alternative calculation stop command 43 to the lifetime consumption calculation alternative function 32. The lifetime consumption calculation alternative function 32 receives the alternative calculation stop command 43, completes the lifetime consumption calculation, and transmits the calculation result 44 during the failure of the turbine monitoring device to the lifetime consumption transmission function 34. The lifetime consumption transmission function 34 transmits the lifetime consumption 44 during failure of the turbine monitoring device, which is the output of the lifetime consumption calculation alternative function 32, to the lifetime consumption correction function 35 of the turbine monitoring device 4 via the control LAN 5. .
[0052]
The lifetime consumption correction function 35 calculates the lifetime consumption 45 at the time of restoration by adding the received lifetime consumption 44 during failure of the turbine monitoring device to the lifetime consumption before failure held in the turbine monitoring device. And transmitted to the turbine life consumption calculation function 86. The turbine lifetime consumption calculation function 36 receives the lifetime consumption 45 at the time of recovery, and restarts lifetime calculation based on the lifetime consumption 45 at the time of recovery.
[0053]
Thus, according to the fourth embodiment, the turbine controller 1 replaces the lifetime consumption calculation during failure of the turbine monitoring device 4, and the turbine is based on the lifetime consumption calculated during the failure by the turbine controller 1. Since the lifetime consumption in the monitoring device can be corrected, the turbine monitoring device 4 calculates a more accurate turbine lifetime consumption without increasing the lifetime consumption during the failure, and increases the utility value.
[0054]
FIG. 9 is a block diagram of a turbine monitoring and control apparatus according to the fifth embodiment of the present invention. The same reference numerals as those in FIGS. 13 and 14 showing the prior art denote the same or corresponding parts.
[0055]
In FIG. 9, the turbine control device 3 and the turbine monitoring device 4 are connected by a control LAN 5, and the turbine control device 3 includes a life consumption calculation signal input function 31, a data recording function 37, a monitoring device operation state determination function 33, and A lifetime consumption calculation data transmission function 38 is provided. In addition, the turbine monitoring device 4 is provided with a failure period life consumption calculation function 39 and a life consumption calculation function 36.
[0056]
Here, the life consumption calculation signal input function 31 inputs data necessary for turbine life consumption calculation for use as an index of the turbine life through the network. The data recording function 37 inputs necessary data from the life consumption calculation signal input function in response to a data recording start command, records data, and stops in response to the data recording stop command. The monitoring device operation state determination function 33 outputs the data recording start command when monitoring the operation state of the turbine monitoring device and determines that the turbine monitoring device is malfunctioning, and outputs the data recording stop command when determining recovery. To do. The lifetime consumption calculation data transmission function 38 transmits the lifetime consumption calculation signal data during failure of the turbine monitoring device obtained by the data recording function to the turbine monitoring device. The failure period lifetime consumption calculation function 39 receives the turbine lifetime consumption calculation data during failure during failure of the turbine monitoring device transmitted from the lifetime consumption calculation data transmission function of the turbine controller via the network. The turbine life consumption during the failure is calculated and sent to the life consumption calculation function. The life consumption calculation function 36 stores and holds the turbine life at the time of failure at the time of failure, and adds the turbine life consumption during the failure at the time of recovery to obtain the turbine life consumption.
[0057]
According to the above configuration, in the normal state, the turbine monitoring device 4 calculates the lifetime consumption by the lifetime consumption calculation function 36 from the lifetime consumption calculation signal 41 and holds the value in the hard disk or the like. When the turbine monitoring device fails, in the turbine control device 3, the monitoring device operating state determination function 33 determines the failure of the turbine monitoring device and transmits a data recording start command 46 to the data recording function 37. The data recording function 37 receives the data recording start command 46, inputs the life consumption calculation signal 41 input by the life consumption calculation signal input function 31 via the control LAN 5, and records the signal 41.
[0058]
When the turbine monitoring device 4 is recovered, the monitoring device operating state determination function 33 determines that the turbine monitoring device is recovered, and transmits a data recording stop command 47 to the data recording function 37. The data recording function 37 receives the data recording stop command 47, completes the data recording, and transmits to the lifetime consumption calculation data transmission function 38 the lifetime consumption calculation signal data 48 during the failure of the turbine monitoring device. The lifetime consumption calculation data transmission function 38 transmits the lifetime consumption calculation data 48 during failure of the monitoring device to the failure period lifetime consumption calculation function 39 of the turbine monitoring device 4 via the control LAN 5.
[0059]
The failure period lifetime consumption calculation function 39 inputs the received lifetime consumption calculation data 48 during the failure of the turbine monitoring device, calculates the lifetime consumption during the failure period of the turbine monitoring device, It is added to the lifetime consumption and the lifetime consumption before failure held in the turbine monitoring device. The obtained life consumption 45 at the time of recovery is transmitted to the turbine life consumption calculation function 36. The turbine life consumption calculation function 36 receives the life consumption 45 at the time of recovery, and restarts the life consumption calculation based on the life consumption 45 at the time of recovery.
[0060]
As described above, according to the fifth embodiment, even when the turbine monitoring device 4 breaks down, the lifetime consumption during the failure can be calculated using the data stored in the turbine control device 1, It is possible to obtain a turbine life consumption with high accuracy without a loss of life consumption, and to enhance the utility value.
[0061]
FIG. 10 is a block diagram of a turbine monitoring and control apparatus showing a sixth embodiment of the present invention.
[0062]
The same reference numerals as those in FIGS. 13 and 14 showing the prior art indicate the same or corresponding parts.
[0063]
In FIG. 10, the turbine control device 3 and the two turbine monitoring devices 4 a and 4 b are connected to the control LAN 5, and the turbine control device 3 has a thermal stress selection function 51, and each turbine monitoring device 4 a and 4 b It has thermal stress calculation functions 52a and 52b and life consumption calculation functions 36a and 36b.
[0064]
Here, the thermal stress selection function 51 inputs each thermal stress calculation value, selects any one value as the thermal stress selection value under a predetermined condition, and sends it to each turbine monitoring device via the network. To be sent. The thermal stress calculation functions 52a and 52b transmit the respective thermal stress calculation values obtained by taking the rotor temperature signal through the network and calculating the thermal stress calculation values to the turbine controller via the network. is there. The life consumption calculation functions 36a and 36b calculate the life consumption based on the thermal stress selection value transmitted from the turbine controller via the network.
[0065]
First, the rotor temperature signal 53 input via the control LAN 5 is input by the turbine monitoring device 4a, the thermal stress is calculated by the thermal stress calculation function 52a based on the rotor temperature signal 53, and the calculated thermal stress value is transmitted via the control LAN 5. 54 a is transmitted to the turbine control device 3.
[0066]
Similarly, the rotor temperature signal 53 input via the control LAN 5 is input by the turbine monitoring device 4b, the thermal stress is calculated by the thermal stress calculation function 52b, and the calculated thermal stress value 54b is converted to the turbine control device 1 via the control LAN 5. Sent to.
[0067]
In the turbine control device 1, the thermal stress calculation values 54a and 55b transmitted from the turbine monitoring devices 4a and 4b are input, the thermal stress value is selected by the thermal stress selection function 51, for example, a predetermined high value or The low value is selected and the thermal stress selection value 55 is transmitted to the turbine monitoring devices 4a and 4b.
[0068]
Next, in the turbine monitoring device 4a, the transmitted thermal stress selection value 55 is input, and the life consumption is calculated by the life consumption calculation function 36a. Similarly, the transmitted thermal stress selection value 55 is also input to the turbine monitoring device 4b, and the life consumption is calculated by the life consumption calculation function 36b.
[0069]
As described above, according to the sixth embodiment of the present invention, the thermal stress signals used for the lifetime consumption calculation can be made the same in a plurality of turbine monitoring devices, so that calculation errors between the turbine monitoring devices are suppressed. be able to.
[0070]
FIG. 11 is a block diagram of a turbine monitoring and control apparatus showing a seventh embodiment of the present invention.
[0071]
The turbine monitoring device 4 includes a module database function 62 that holds window module data of each control function unit for screen display, a display position database function 63 that holds the display screen of the window module and display position data on the screen, The screen display function 61 for displaying a monitoring screen by the window module data 66 of the module database function 62 and the display position data 67 of the display position database function 63, and the display screen by a pointer device (mouse, trackball, touch screen, etc.). The display position changing function 64 changes the display position data 66 by selecting and changing the module display position on the screen, and the module adding function 65 adds the window module data 66 to the module database function. It is.
[0072]
With this configuration, in the turbine monitoring device 4, the screen display function 61 executes screen display from the window module data 65 stored in the module database function 62 and the screen position data 67 of the screen position database function 63.
[0073]
The screen display position data 67 is changed by selecting a display screen and designating a module display position on the screen by using a screen display position changing function 64 and a pointing device such as a mouse. The function addition is performed by adding additional window module data 68 to the module database function 62 by the module data adding function 66.
[0074]
As described above, according to the seventh embodiment, the selection of the display screen and the arrangement on the screen can be left to the user, and the function can be added only by adding the window module. This eliminates the need to redesign the screen software every time it is added.
[0075]
FIG. 12 is a block diagram of a turbine monitoring control apparatus according to the eighth embodiment of the present invention.
[0076]
The turbine monitoring control device has a monitoring device software holding function 81 for holding monitoring device software, and starts up by downloading a monitoring device program from the turbine control device 3 via the control LAN 5 when the monitoring device is started. And a turbine monitoring device 4 having a function 82.
[0077]
In this configuration, when the turbine monitoring device 4 is activated, the software download command 83 is transmitted to the turbine control device 3 by the activation function 82 in the turbine monitoring device 4. The monitoring device software holding function 81 in the turbine control device 8 transmits the monitoring device software 84 to the turbine monitoring device 4 in response to the software download command 83. When the transmission of the monitoring software is completed, the monitoring device software holding function 81 in the turbine control device 3 transmits a data transmission completion signal 85 to the turbine monitoring device 4 to the turbine monitoring device 4. The activation function in the turbine monitoring device 4 receives the data transmission completion signal 85 and activates the screen monitoring software 84.
[0078]
Thus, according to the eighth embodiment, the monitoring software is stored in the turbine control device, and the monitoring software is downloaded to the turbine monitoring device at the time of startup. In this case, the turbine monitoring device has a shorter life compared to the turbine control device, and is frequently replaced at a higher frequency than the turbine control device. If the turbine monitoring device itself has its own software, the turbine monitoring device is replaced with a new turbine monitoring device to be replaced. This eliminates the need for excessive time and cost for porting the monitoring software. In addition, the monitoring software can be stored in a highly reliable turbine control device.
[0079]
【The invention's effect】
As described above, according to the first aspect of the present invention, since the master controller having the primary turbine control function and the turbine monitoring device can directly exchange information on the network, even if the system controller fails, the master controller Without the loss of the primary control function, which is a function of the above, information can be exchanged between the turbine primary control function of the master controller and the turbine monitoring device, and the monitoring operation can be performed, thereby improving the reliability.
[0080]
According to the second aspect of the present invention, even if one of the plurality of system controllers fails, the remaining sound system controller supplements the function of the system controller, so that loss of function can be prevented and the master controller fails. Even in this case, the master controller failure signal causes the operation alternative function of the master controller having the turbine primary control function to operate, so that the loss of the turbine primary control function can be prevented, and the reliability can be improved.
[0081]
According to the invention of claim 3, at the normal time, all turbine monitoring functions are assigned to the respective turbine monitoring devices to share the functions, and the overall monitoring load is reduced. The function assigned to the monitoring device replacement function other than the monitoring device can be replaced, and loss of the turbine monitoring function can be prevented.
[0082]
According to the invention of claim 4, when it is determined that the turbine monitoring device has failed, the turbine control device calculates the turbine life consumption and transmits the life consumption during the failure to the turbine monitoring device. The lifetime consumption during the failure of the apparatus is also taken into account, and a highly accurate turbine lifetime consumption can be obtained.
[0083]
According to the invention of claim 5, when it is determined that the turbine monitoring device has failed, the turbine control device records the life consumption calculation signal data, and the failure consumption life calculation signal data is the turbine monitoring. Since it is transmitted to the apparatus, the lifetime consumption during the failure is added to the lifetime consumption before the failure, and a highly accurate turbine lifetime consumption can be obtained.
[0084]
According to the sixth aspect of the present invention, since one thermal stress value is calculated by a plurality of turbine monitoring devices, a highly accurate life consumption can be obtained while minimizing calculation errors in the obtained turbine life consumption. .
[0085]
According to the seventh aspect of the present invention, the window module data and the screen display position data are displayed in an arbitrary screen configuration if the user selects or designates by an arbitrary combination of the window module data and the screen display position data. It is possible to delete the time and effort for creating new software when the screen configuration changes.
[0086]
According to the invention of claim 8, since the monitoring software is stored in the turbine control device and the monitoring software is downloaded to the turbine monitoring device at the time of start-up, as compared with the case where the turbine monitoring device itself has its own monitoring software, Porting the monitoring software to the new turbine monitoring device to be replaced can be eliminated, and the monitoring software can be stored in a highly reliable turbine control device.
[Brief description of the drawings]
FIG. 1 is a block configuration diagram of a turbine monitoring and control apparatus showing a first embodiment of the present invention.
FIG. 2 is a block configuration diagram of a turbine monitoring control apparatus showing another embodiment in the first embodiment.
FIG. 3 is a block configuration diagram of a turbine monitoring and control apparatus showing a second embodiment of the present invention.
4 is a block diagram showing the system controller of FIG. 3. FIG.
FIG. 5 is a block configuration diagram of a turbine monitoring control apparatus showing another embodiment in the second embodiment.
FIG. 6 is a block configuration diagram of a turbine monitoring and control apparatus showing a third embodiment of the present invention.
7 is a configuration diagram showing the turbine monitoring device of FIG. 6; FIG.
FIG. 8 is a block configuration diagram of a turbine monitoring and control apparatus showing a fourth embodiment of the present invention.
FIG. 9 is a block configuration diagram of a turbine monitoring and control apparatus showing a fifth embodiment of the present invention.
FIG. 10 is a block configuration diagram of a turbine monitoring and control apparatus showing a sixth embodiment of the present invention.
FIG. 11 is a block configuration diagram of a turbine monitoring control apparatus showing a seventh embodiment of the present invention.
FIG. 12 is a block configuration diagram of a turbine monitoring and control apparatus showing an eighth embodiment of the present invention.
FIG. 13 is a block diagram of a turbine monitoring control apparatus showing a first conventional example.
FIG. 14 is a block configuration diagram of a turbine monitoring control apparatus showing a second conventional example.
[Explanation of symbols]
1a, 1b Master controller
2, 2a, 2b System controller
3 Turbine controller
4, 4a, 4b Turbine monitoring device
5 Control LAN
6 PIO module
11 System controller calculation function
12 Master controller calculation alternative function
13 Calculation function switching function
14 Master controller failure signal
15 Normal monitoring function
16 Other monitoring device substitution function
17 Other monitoring device operation state judgment function
18 Normal monitoring function
19 Alternative start command
20 Alternative stop command
31 Lifetime consumption calculation signal input function
32 Lifetime consumption alternative function
33 Monitoring device operating state judgment function
34 Lifetime consumption transmission function
35 Lifetime consumption correction function
36, 36a, 36b Lifetime consumption calculation function
37 Data recording function
38 Lifetime consumption calculation data transmission function
39 Failure period lifetime consumption calculation function
41 Lifetime consumption calculation signal
51 Thermal stress selection function
52a, 52b Thermal stress calculation function
61 Screen display function
62 Module database function
63 Display position database function
64 Display position change function
65 Module addition function
81 Monitoring device software holding function
82 Startup function

Claims (8)

A master controller that has turbine primary control functions such as turbine speed control, valve position control, load control, etc., and mainly performs turbine primary control, and turbine secondary control such as sequence control and external interface processing. In a turbine monitoring control device comprising a turbine control device comprising a system controller to be implemented, and a turbine monitoring operation, a turbine, and a turbine monitoring device for monitoring the turbine control device, etc.
The master controller, the system controller, and the turbine monitoring device are connected to each other on the same network, and the master primary control function of the master controller and the turbine primary control function of the turbine monitoring device directly exchange information. A turbine monitoring control device characterized by enabling. A master controller that has turbine primary control functions such as turbine speed control, valve position control, load control, etc., and mainly performs turbine primary control, and turbine secondary control such as sequence control and external interface processing. In a turbine monitoring control device comprising a turbine control device comprising a system controller to be implemented, and a turbine monitoring operation, a turbine, and a turbine monitoring device for monitoring the turbine control device, etc.
The master controller, the plurality of system controllers, and the turbine monitoring device are connected by a network, and each system controller has a system controller calculation function for executing an original calculation function of the system controller, and an operation of the master controller. And a master controller arithmetic replacement function for executing the master controller arithmetic function and a calculation function switching function for switching from execution of the system controller arithmetic function to execution of the master controller arithmetic alternative function by input of a master controller failure signal. apparatus. A master controller that has turbine primary control functions such as turbine speed control, valve position control, load control, etc., and mainly performs turbine primary control, and turbine secondary control such as sequence control and external interface processing. In a turbine monitoring control device comprising a turbine control device comprising a system controller to be implemented, and a turbine monitoring operation, a turbine, and a turbine monitoring device for monitoring the turbine control device, etc.
The master controller, the system controller, and a plurality of turbine monitoring devices are connected on a network, and each turbine monitoring device assigns all monitoring functions necessary for turbine monitoring to each turbine monitoring device. A normal monitoring function that executes a shared function, an alternative start function that substitutes a shared function by another turbine monitoring device, and an alternative stop command that stops the execution by an alternative stop command. A turbine monitoring control, comprising: another monitoring device operating state determination function that takes in another monitoring device state signal representing a state of the turbine monitoring device and determines the operation state and outputs the alternative start command or the alternative stop command. apparatus. A master controller that has turbine primary control functions such as turbine speed control, valve position control, load control, etc., and mainly performs turbine primary control, and turbine secondary control such as sequence control and external interface processing. In a turbine monitoring control device comprising a turbine control device comprising a system controller to be implemented, and a turbine monitoring operation, a turbine, and a turbine monitoring device for monitoring the turbine control device, etc.
Connecting the turbine monitoring device and the turbine control device via a network;
The turbine control device monitors the operation state of the turbine monitoring device and outputs an alternative calculation start command when determining a failure of the turbine monitoring device, and outputs an alternative calculation stop command when determining recovery. By means of an apparatus operating state determination function, a life consumption calculation signal input function for inputting data necessary for turbine life consumption calculation to be used as an index of turbine life via the network, and the alternative calculation start command, A life consumption calculation alternative that inputs the necessary data from the life consumption calculation signal input function and calculates the turbine life consumption equivalent to the turbine monitoring device, while stopping the turbine life consumption calculation by the alternative calculation stop command Function and turbine life consumption during failure of the turbine monitoring device obtained by the life consumption calculation alternative function. While providing a life consumption transmission function for transmitting to the bottle monitoring device,
The turbine monitoring device calculates a lifetime consumption correction function for receiving a turbine lifetime consumption during a failure transmitted via the network from the lifetime consumption transmission function of the turbine controller, and a turbine lifetime consumption at a normal time. Turbine life consumption at the time of failure is stored and stored at the time of failure, and the turbine life consumption at the time of recovery is obtained by adding the turbine life consumption at the time of failure to the turbine life consumption during failure received by the life consumption correction function. A turbine monitoring control device comprising a life consumption calculation function for calculating. A master controller that has turbine primary control functions such as turbine speed control, valve position control, load control, etc., and mainly performs turbine primary control, and turbine secondary control such as sequence control and external interface processing. In a turbine monitoring control device comprising a turbine control device comprising a system controller to be implemented, and a turbine monitoring operation, a turbine, and a turbine monitoring device for monitoring the turbine control device, etc.
The turbine monitoring device and the turbine control device are connected via a network, and the turbine control device outputs a data recording start command when the operation status of the turbine monitoring device is monitored and a failure of the turbine monitoring device is determined. On the other hand, a monitoring device operating state determination function that outputs a data recording stop command when a recovery determination is made, and a lifetime for inputting data necessary for calculating the turbine lifetime consumption to be used as an index of the turbine lifetime via the network A consumption calculation signal input function and a data recording function for inputting the necessary data from the life consumption calculation signal input function by the data recording start command and recording data while stopping the data recording by the data recording stop command And a signal for calculating lifetime consumption during failure of the turbine monitoring device obtained by the data recording function While the over data provided and life consumption calculation data transmission function for transmitting to the turbine monitoring device,
The turbine monitoring device calculates the turbine life consumption at the normal time and stores the turbine life time at the time of the failure at the time of failure, while adding the turbine life consumption during the failure time at the time of recovery to obtain the turbine life consumption. Receiving the turbine life time consumption calculation data during failure during the turbine monitoring device failure transmitted from the lifetime calculation data transmission function of the amount calculation function and the lifetime control amount of the turbine controller A turbine monitoring and control apparatus comprising: a failure period life consumption calculation function that calculates a turbine life consumption and sends it to the life consumption calculation function. A master controller that has turbine primary control functions such as turbine speed control, valve position control, load control, etc., and mainly performs turbine primary control, and turbine secondary control such as sequence control and external interface processing. In a turbine monitoring control device comprising a turbine control device comprising a system controller to be implemented, and a turbine monitoring operation, a turbine, and a turbine monitoring device for monitoring the turbine control device, etc.
A plurality of turbine monitoring devices and a turbine control device are connected on a network, and each turbine monitoring device takes in a rotor temperature signal via the network and calculates a thermal stress calculation value. Life stress consumption that calculates a life consumption based on a thermal stress calculation function that transmits a stress calculation value to the turbine controller via the network, and a thermal stress selection value that is transmitted from the turbine controller via the network While providing a calculation function,
The turbine control device inputs each thermal stress calculation value, selects any one value as the thermal stress selection value under a predetermined condition, and transmits the thermal stress to each turbine monitoring device via the network A turbine monitoring control device characterized by providing a selection function. A master controller that has turbine primary control functions such as turbine speed control, valve position control, load control, etc., and mainly performs turbine primary control, and turbine secondary control such as sequence control and external interface processing. In a turbine monitoring control device comprising a turbine control device comprising a system controller to be implemented, and a turbine monitoring operation, a turbine, and a turbine monitoring device for monitoring the turbine control device, etc.
The turbine monitoring device includes a module database function for holding window module data defined in screen display components and functional units, a display position database function for holding the window module display screen and display position data on the screen, and the module. A window function data of the database function, a screen display function to be displayed by the display position database function, a display position change function to change the display position data by selecting the display screen from the input device and changing the module display position on the screen; And a module addition function for adding window module data to the module database function. A master controller that has turbine primary control functions such as turbine speed control, valve position control, load control, etc., and mainly performs turbine primary control, and turbine secondary control such as sequence control and external interface processing. In a turbine monitoring control device comprising a turbine control device comprising a system controller to be implemented, and a turbine monitoring operation, a turbine, and a turbine monitoring device for monitoring the turbine control device, etc.
The turbine control device is provided with a monitoring device software holding function for holding monitoring software of the turbine monitoring device,
The turbine monitoring device transmits a software download command to the turbine control device via a network, inputs the monitoring software from the turbine control device, and provides an activation function for starting the monitoring software by a data transmission completion signal. Turbine monitoring and control device characterized by the above.

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