JP3044587B2 - Substation driving support equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to emergency operation of a primary substation (hereinafter, referred to as a substation), which is a key component of an electric power supply system, in response to an accident or a failure in case of an accident or failure. The present invention relates to a driving support device for a substation that guides and assists a general recovery procedure.

[0002]

2. Description of the Related Art In a driving support device for a substation of this kind,
In the event of an accident or failure, when performing an emergency restoration operation for the location where the accident or failure occurred, first create a system plan for the target of the emergency restoration and display it on the CRT to guide the operator to it. It is necessary to output to the outside. Here, in general, a target system plan for emergency recovery for the main circuit system including the location where an accident or a failure has occurred is displayed and output on a CRT screen using a skeleton system.

[0003]

According to the above-described driving support device, the situation in the system after the occurrence of an accident or a fault,
For example, there are sections that cannot be used for emergency recovery or are difficult to use, such as sections where there is a possibility of accidents or obstacles, etc. After comprehensively taking into account whether there is an overload, whether there is a supply interruption, etc. , create a target system plan necessary to execute emergency recovery operations and discuss with related departments .
However, the draft target system created is necessary for emergency restoration.
Regardless of the level of information, many systems are all complicated
CRT with skeleton system or detailed skeleton system
Displayed on the screen of
When the information level is high, system information is
Guided, but low level of information needed for emergency recovery
Occasionally, operators and maintenance personnel involved in the actual emergency recovery work
Its from a complex skeleton system displayed as such require a tremendous struggle and time to visually understand the content and purpose and ultimate emergency restoration system of emergency recovery operations, luck
Although it is a guide of system information from the viewpoint of transfer and maintenance personnel
There was nothing.

The present invention has been made in view of the above circumstances, and when an accident or a failure occurs , creates a final target system plan for emergency recovery adapted to the situation of the accident or the failure.
At the same time, the final target system plan is presented to operators and maintenance personnel.
Moth displayed in the required information level to the actual emergency restoration standing in
It is an object of the present invention to provide a substation operation support device capable of assisting the user to perform predetermined emergency recovery appropriately, easily and quickly.

[0005]

In order to achieve the above object, a driving assistance system for a substation according to the present invention captures system information of a substation, and stores accident /
When disability information is included, inferences necessary for first aid are categorized by job based on the analysis of response processing in the event of an accident or disability based on the information, and a dedicated knowledge expression is constructed for each categorized job. The inference control unit having a plurality of inference engines that execute using the obtained knowledge base, and a human interface device that outputs an inference result in the inference control unit to guide an operator. When the emergency support operation is performed by the inference control unit, there is a possibility that an accident / failure situation may occur from the system before and after the accident / failure occurrence.
Of unusable sections, such as sections that cannot be used,
Difference, presence or absence of ungrounded system operation, presence or absence of transformer overload,
Create multiple target system plans for emergency recovery according to the accident / failure situation such as whether there is a supply interruption and the system situation .
And one selected from the multiple target
Means for creating a final target system plan by changing / modifying the plan as necessary, and using the created emergency recovery final target system plan as information necessary for emergency recovery, a skeleton system , Young
Details, any macro system of simplified form to a necessary minimum the skeleton line by the macro system knowledge base
Means to selectively output to the human interface device at the required level, and their skeleton system tables
In both cases of display and macro system display, there is provided a means for outputting an accident patrol manual serving as a dispatch instruction guide to the human interface device.

[0006]

According to the substation operation support device of the present invention having the above-described configuration, when accident / failure information is included in the acquired substation system information, the inference control unit performs an accident based on the information. Performs inference necessary for emergency treatment using a plurality of inference engines and knowledge bases classified according to the task of handling processing in the event of a failure.・Multiple target system plans are created according to the fault situation and system situation
And one of the selected target systems
The final target system plan is created by changing and modifying the plan as necessary, and the created emergency recovery final target system plan is used as the information necessary for emergency recovery , the skeleton system, or
The skeleton system is required to be one of the macro systems in the form simplified to the minimum necessary by the macro system knowledge base.
Together are selectively output by switching arbitrarily Human Interface device main level, dispatch instruction guide to become accident patrol procedure specifications is also possible to output the combined result, the final target line draft actual From the standpoint of operators and maintenance personnel involved in emergency recovery work,
Display and guide at the information level necessary for sudden recovery,
Depending on the accident patrol manual procedures to be latitude as dispatch instructions guide
Operation content according to the information level required for emergency recovery.
It is possible to grasp the purpose and final target system easily and promptly, and also to consult with related departments easily and accurately, so that a proper and efficient support function for predetermined emergency restoration can be demonstrated. It is.

[0007]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an overall schematic configuration diagram of a driving support system for a substation. This system is basically a substation S / A in which an inference subsystem unit (hereinafter, referred to as IFS) 1 which is a core of the driving support system is installed. S and a control center C / C provided with a human interface subsystem (hereinafter, referred to as HIS-C) 2 for displaying and guiding the support contents to the operator Ma, for example, the existing preliminary communication Connected by a modem transmission device (MODEM) 3 using a line, the operator Ma of the control center C / C and the substation S / C
The operator of S, that is, the maintenance person Mb is configured to assist with a guide.

In the substation S / S side, if an accident or failure occurs in the transmission system 4 (see FIG. 2) or the substation equipment 5 (see FIG. 2), and the state of the switchboard 6 is changed, The IFS 1 is transmitted through a relay board (hereinafter, referred to as JSB) 7 and an online information input unit (hereinafter, referred to as OIS) 8.
When the captured online information contains accident / failure information, the human interface is used to execute inferences necessary for first aid based on the information and guide the result to maintenance personnel Mb. -Subsystem (hereinafter, referred to as HIS-S) 9 and inference subsystem for accident and obstacle guide (hereinafter, referred to as HIS-T / S)
10, respectively.

The HIS-S9 includes CRT displays 11 and 12 for displaying the accident guide in color graphics and characters, an image printer 13 for printing out the accident guide, and a hard copy printer 14 for making a hard copy of the accident / failure guide. It consists of. The HIS-T / S 10 has a CRT display 15 for displaying a failure guide in color graphics.
And an image printer 16 that prints out the fault guide
And the hard copy printer 14.

On the other hand, the control center C / C can be connected to a notebook computer 17 for collecting field device data, and in the connection state, infers a failure guide for the collected data of the notebook computer 17. An inference subsystem (hereinafter, referred to as HIS-T / C) 18 is provided. The HIS-T / C 18 includes a CRT display 19 for displaying a failure guide in color graphics, an image printer 20 for printing out the failure guide, and a hard copy printer 21. Also,
The HIS-C2 has a CRT display 22 for displaying the accident guide in color graphics and characters.
23 and an image printer 2 for printing out an accident guide
4 and the hard copy printer 21.

FIG. 2 is a schematic block diagram of the IFS 1 which is an accident guide function inference unit on the substation S / S side.
The IFS 1 includes a data control unit (hereinafter referred to as DCB) for executing inference necessary for actual operation based on the online information taken in through the OIS 8.
25, an inference unit (hereinafter referred to as IFB) 26, and a knowledge base 27 in which knowledge of systems and equipment is arranged in six frames.
The IFB 26 has an inference control unit 28 composed of one inference engine for controlling the flow of inference and five inference engines obtained by analyzing the processing phases. This inference control unit 28
The inference engine prepared for each phase (by job) of the emergency response process such as “accident location judgment”, “abnormal condition monitoring”, “related location notification”, “site patrol”, and “system operation” is a substation. A total of 6 inference modules for inferring using the knowledge base 27 about the equipment configuration of the above and inference control modules for controlling the operations of the above-mentioned five inference modules, having knowledge about the order of the accident response process and the inference module.
It is implemented with two inference modules.

I in IFS1 on the substation S / S side
The inference results of the six inference modules in the inference control unit 28 of the FB 26 are output to the HIS-S 9 in the form shown in FIG. 2 (CRT display and printout), respectively, and are controlled by the control center C / C through the MODEM 3. And transmitted to the HIS-T / S10 in each form. The knowledge base 27 having a frame structure is a macro system knowledge base 27.
a, main circuit knowledge base 27b, equipment knowledge base 27c,
Equipment knowledge base 27d, relay knowledge base 27e, contact
And a knowledge base 27f.

The “system operation” of the six inference modules of the inference control unit 28 in the IFS 1 having the above configuration is a means for creating a system plan as a target of emergency recovery and a final target system plan from the system before and after the occurrence of the accident ( function)
When the macro system knowledge base 27a and the main circuit knowledge of its emergency restoration goal line skeleton line or the knowledge base 27 of the frame structure to which the skeleton line is above
One of the CRTs 1 of the HIS-S9 as a macro system of a form simplified to the minimum necessary by the knowledge base 27b.
Means (function) for outputting on the screen 1 and an accident patrol manual serving as a dispatch instruction guide on the other CR of the HIS-S9.
Means (functions) for outputting on the screen of T12. These means (functions) will be described below item by item.

A. Preparation of final target system plan for emergency recovery Basically, in the system after the accident, there is an unusable section such as a section where there is a possibility of an accident, the difference from the normal power transmission state, the existence of ungrounded system operation, the transformer Considering the accident / failure situation and the system situation such as the existence of overload of the power supply, the existence of supply trouble, etc., create multiple system plans as the target of emergency restoration. Specifically, as shown in the creation processing flowchart of FIG. 3, a step S1 of charging the transformer and the bus, a step S2 of determining the connection of the phase adjustment facility and the in-house transformer, and a step S3 of determining the connection of the neutral point resistor Step S4 for determining the connection of the bus (77 KV) line, Step S5 for calculating the load of the transformer, Step S6 for determining whether the transformer is overloaded and whether or not the creation of a plurality of target system plans has been completed Is determined at step S7.

FIG. 4 is a diagram showing an operation flow for automatically creating a final target system plan including the above-described target system plan creation processing flow. After an operator inputs a target system creation (step S8), A plurality of target system plans that can be executed according to the accident / failure state and the system state are created (step S9), and one of the optimum plans is selected, or if there is no optimum system, the most realistic one is selected. The operator selects one of the plans (step S10), sets the selected plan as the final target system plan for emergency recovery, and corrects and changes the final target system plan as necessary (step S11). , 12), a final target system plan is created (step S13).

B. Display (Output) of Emergency Restoration Final Target System FIG. 5 is a diagram showing an operation flow when displaying the final target system plan created as described above on the CRT11 screen of the HIS-S9. After inputting the necessity of displaying the system plan (step S14),
The displayed system is required as information necessary for actual emergency recovery.
Skeleton system or macro system that is the level
If the selected display system is a skeleton system (step S15), the system after the accident is a detailed skeleton system as shown in FIG.
-Display on the screen of one of the CRTs 11 in step S9 (step S16), and when the selected display is a macro system, as shown in FIG. , Macro system knowledge base (target system) 2
7a, the skeleton system is a macro system in which the skeleton system is simplified to the minimum necessary.
It is displayed on the screen of RT11 (step S17). On the screen of the other CRT 12 of the HIS-S9, as shown in FIG. 8, in both the display of the skeleton system and the display of the macro system, an accident patrol manual serving as a dispatch instruction guide is displayed. This is displayed, if necessary, by the image printer 24 or the hard copy printer 2.
1 is printed out. Further, in the above description, the description and the names of the existing places in the figure are explicitly described for easy understanding of the contents.

In the above-described embodiment, as a function for guiding an emergency recovery procedure in the event of a serious failure in the substation yard, a means for creating a system plan as a target for emergency recovery from a system before and after the occurrence of the accident ( Function) and the accident guide function such as the means (function) of displaying (outputting) the emergency recovery target system on the HIS-S9 with the macro system described above. If a minor failure occurs in the substation, the location where the failure occurred It can also be applied to the creation of a system plan as a failure guide function for guiding the search and the emergency treatment method, and the display (output) of the system plan in a macro system.

[0018]

As described above, according to the present invention, when accident / failure information is included in the substation system information,
Based on the information, when executing the emergency recovery operation by the inference control unit, multiple target system plans are created from the system before and after the accident / failure to be targeted for emergency recovery according to the accident / failure situation and the system status. As well as
One plan selected from multiple target system plans as needed
To create a final target system proposal to change or modify Te, this creation
Has been the emergency restoration goal line draft, is displayed at the required level as the information necessary for Emergency recovery, that is, emergency restoration
Skeleton when the information level is higher that require in
By displaying on the grid, you can guide the restoration without omission,
When the required information level is low, the skeleton
Simplify the system to the minimum necessary with a macro system knowledge base
The purpose and the purpose of the emergency recovery operation and the final emergency recovery system are displayed visually by displaying the macro system of the specified form.
At the same time you can guide so that you can easily grasp
In addition, when any of the systems is displayed, an accident patrol guide serving as an output instruction guide corresponding to each of the systems can also be output. Therefore, the ultimate goal for emergency recovery
Operators and maintenance staff involved in the actual emergency restoration work
It can be displayed and guided at the information level from the standpoint
Under stressful situations such as accidents and obstacles
Always demonstrate accurately guide function for of a given emergency restoration
As a result, the most appropriate and efficient support function can be exhibited. In addition , by executing the process of changing from a skeleton system to a macro system using its own knowledge base, it is possible to improve the processing speed and of course, regardless of various types of accidents / failures and system status that has entered various complexities. In addition, there is a remarkable effect that a quick and highly reliable emergency recovery can be realized by the system output of the adapted form.

[Brief description of the drawings]

FIG. 1 is an overall schematic configuration diagram of a driving support system for a substation according to the present invention.

FIG. 2 is a schematic configuration diagram of an inference subsystem which is an accident guide function inference unit in a substation.

FIG. 3 is a flowchart showing a process of creating an emergency recovery target system plan.

FIG. 4 is a diagram showing an operation flow when automatically creating a final target system plan for emergency recovery.

FIG. 5 is a diagram showing an operation flow when displaying a final target system plan on a CRT screen.

FIG. 6 is a diagram illustrating a display example in a skeleton system.

FIG. 7 is a diagram showing a display example in a macro system.

FIG. 8 is a diagram showing a display example of a dispatch instruction guide.

[Explanation of symbols]

1 IFS (Inference Subsystem) 7 JSB (Relay Board) 8 OIS (Online Information Input Unit) 9 HIS-S (Human Interface Device) 26 IFB (Inference Unit) 27 Knowledge Base 27a Macro System Knowledge Base 28 Inference Control Unit

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Masakazu Nagata 3-3-22 Nakanoshima, Kita-ku, Osaka-shi, Osaka Inside Kansai Electric Power Co., Inc. (72) Haruki Onoe 3-3-1 Nakanoshima, Kita-ku, Osaka, Osaka 22 Kansai Electric Power Co., Inc. (72) Shuji Matsumoto Inventor 3-2-2 Nakanoshima, Kita-ku, Osaka City, Osaka Prefecture Kansai Electric Power Co., Inc. (72) Kuniomi Yamada 3-14-40 Senrioka, Settsu-shi, Osaka No. Within Toko Seiki Co., Ltd. (72) Inventor Yoshiyuki Takaoka 3-14-40 Senrioka, Settsu-shi, Osaka Prefecture Within Toko Seiki Co., Ltd. (72) Norio Higashiyama 3-14-40 Senrioka, Settsu-shi, Osaka East Inside Kosei Seiki Co., Ltd. (72) Inventor Takahiro Nakai 3-14-40 Senrioka, Settsu-shi, Osaka Toko Kosei Seiki Co., Ltd. (56) References JP-A-62-77837 (JP, A) JP-A-62-77837 63-150799 (JP, A) JP flat 2-303323 (JP, A) the Japanese Society for Artificial Intelligence Knowledge Base System Study Group documents, SIG-KBS-9003-10 (1990-19-15,16) P. 91-100

Claims (1)

(57) [Claims] 1. The system information of a substation is fetched, and when the fetched system information includes accident / failure information,
Based on the information, the inference necessary for emergency treatment is performed using the knowledge base that is classified according to the work by analyzing the response processing at the time of accidents and disabilities, and that is constructed with a dedicated knowledge expression for each classified work. A driving support apparatus for a substation, comprising: an inference control unit having a plurality of inference engines; and a human interface device that outputs an inference result in the inference control unit to guide an operator. When executing the emergency recovery operation in the control unit, the accident / failure from the system before and after the accident / failure occurred
Unavailable sections such as sections where the situation may occur
Presence / absence, difference from normal power transmission state, presence / absence of non-grounding system operation,
The presence or absence of an overload of the voltage divider, double a target of emergency restoration in response to the accident and disability status and system status such as the presence or absence of the supply problem
Thereby creating a target line proposal number, the plurality of target systems
Change / modify one of the proposals selected from the draft as needed
Means to create a final target system plan, and the prepared emergency recovery final target system plan as information necessary for emergency recovery.
The human interface device at a required level of a skeleton system or a macro system in a form in which the skeleton system is simplified to the minimum necessary by a macro system knowledge base. Means to output the information,
Either skeleton system display or macro system display
In any case, a means for outputting an accident patrol manual serving as a dispatch instruction guide to the human interface device is provided.