JP6745638B2 - Power control system - Google Patents

Description

The present invention relates to a power control system that controls the amount of power output by a power plant.

Conventionally, a technology for converting renewable energy into electric power has been widespread, and a technology for managing buying and selling of electric power obtained from the renewable energy has been proposed (for example, refer to Patent Document 1). Power companies try to control the amount of power output by power plants that generate electricity using renewable energy according to a schedule assigned to each power plant. The power plant that cannot directly access the server of the power company acquires the schedule information from the server of the power company via the relay device, and adjusts the amount of power output according to the schedule indicated by the acquired information.

JP 2012-125063 A

However, a power plant that cannot directly access the server of the electric power company acquires the schedule information not through the server of the electric power company directly but through the relay device. By being performed, there is a possibility that information that is not the information of the regularly assigned schedule may be obtained. If the power plant outputs electric power to the commercial power grid according to information that is not the information of the schedule that is normally assigned, the voltage in the commercial power grid may become unstable. Therefore, it is required to make the power station use the information of the schedule that is normally assigned.

The present invention has been made in view of the above, and an object of the present invention is to obtain a power control system that causes a power station to use information on a schedule that is normally assigned.

In order to solve the above-mentioned problems and achieve the object, the present invention provides a power conditioner which is provided inside a power plant, has individual identification information, and outputs electric power to the outside of the power plant, and the power generator. And a schedule setting device provided outside the office. The schedule setting device receives a reception unit that receives identification information, and schedule information corresponding to the identification information received by the reception unit, the schedule information indicating a power schedule to be output, that is received by the reception unit. Using the identification information, a download unit for downloading from a server provided outside the power plant and the schedule setting device, the identification information accepted by the acceptance unit, and the schedule downloaded by the download unit And a conversion unit that converts information and data of a specific format. The power conditioner is an inverse conversion unit that restores the identification information and the schedule information in the specific format obtained by the conversion unit, and the identification information restored by the inverse conversion unit is the individual identification information. A determination unit that determines whether they match, and a schedule storage unit that stores the schedule information restored by the inverse conversion unit only when the determination unit determines that the identification information matches the individual identification information. And a power output unit that outputs power to the outside of the power plant, and an amount of power that the power output unit outputs to the outside of the power plant according to the schedule indicated by the schedule information stored in the schedule storage unit. And a control unit for controlling.

Advantageous Effects of Invention According to the present invention, it is possible to cause a power station to use information on a schedule that is properly assigned.

The figure which shows the structure of the electric power control system concerning Embodiment 1. The figure which shows an example of the schedule information in Embodiment 1. The figure which shows the structure of the power control system concerning Embodiment 2. FIG. 3 is a diagram showing a configuration of a schedule setting device in a power control system according to a third exemplary embodiment. The figure which shows the structure of the schedule setting apparatus in the power control system concerning Embodiment 4. FIG. 8 is a diagram showing a configuration of a schedule setting device in a power control system according to a fifth exemplary embodiment. FIG. 6 is a diagram showing a configuration of a power control system according to a sixth embodiment. FIG. 3 is a diagram showing that at least some of the constituent elements of each of the power control systems according to Embodiments 1 to 6 are processing circuits. FIG. 3 is a diagram showing that at least a part of the constituent elements of each of the power control systems of the first to sixth embodiments is a processor.

Hereinafter, a power control system according to an embodiment of the present invention will be described in detail with reference to the drawings. The present invention is not limited to this embodiment.

Embodiment 1.
FIG. 1 is a diagram showing a configuration of a power control system 1 according to the first exemplary embodiment. The power control system 1 includes a power conditioner 4 which is provided inside the power plant 2 and outputs electric power to the outside of the power plant 2. The power plant 2 is a stand-alone power plant. A solar panel 3 is provided inside the power station 2, and the power conditioner 4 outputs electric power based on the electric power obtained by the solar panel 3 to a commercial power system 8 outside the power station 2. To do.

The power conditioner 4 has individual identification information. An example of the individual identification information is unique information that the power conditioner 4 has. An example of the unique information is a power station ID (Identification) assigned by a power company and a media access control address held by the power conditioner 4. The power station ID assigned by the power company is identification information of the power station 2 assigned by the power company. The power control system 1 also has a schedule setting device 5 provided outside the power plant 2.

Next, the respective configurations of the power conditioner 4 and the schedule setting device 5 configuring the power control system 1 will be described. For convenience of description, the configuration of the schedule setting device 5 will be described before describing the configuration of the power conditioner 4. The schedule setting device 5 is a device for setting schedule information indicating a schedule of electric power output from the power conditioner 4 to the outside of the power plant 2 in the power conditioner 4, and identification information from outside the schedule setting device 5. It has a reception unit 51 for receiving. An input device 6 for inputting identification information to the reception unit 51 is connected to the schedule setting device 5. The receiving unit 51 receives the identification information input by the input device 6.

The schedule setting device 5 uses schedule information corresponding to the identification information received by the receiving unit 51 and indicates schedule of electric power to be output, by using the identification information received by the receiving unit 51, the server 72. It further has a download unit 52 for downloading from. The server 72 is a device provided inside the electric power company 7 located outside the power plant 2 and the schedule setting device 5, and stores the schedule information created by the schedule creating unit 71. The server 72 does not directly communicate with the power conditioner 4.

An example of the schedule information will be described with reference to FIG. FIG. 2 is a diagram showing an example of schedule information according to the first embodiment. The schedule information in FIG. 2 indicates a schedule of electric power that the power conditioner 4 outputs to the outside of the power plant 2 on a certain day. Specifically, the schedule information of FIG. 2 shows the output permission rate of the rated output at each time on a certain day, and the output permission rate from 0:00 to 10:00 is 100%. Output permission rate from 12:00 to 14:00 is 0%, output permission rate from 14:00 to 16:00 is 50%, from 16:00 to 24:00 The output permission rate is 100%.

The schedule setting device 5 further includes a conversion unit 53 that converts the identification information received by the reception unit 51 and the schedule information downloaded by the download unit 52 into data of a specific format. The conversion unit 53 outputs the identification information and the schedule information in a specific format to the power conditioner 4.

The power conditioner 4 includes a conversion information storage unit 41 that stores identification information and schedule information of a specific format output by the conversion unit 53 of the schedule setting device 5, and information that is stored in the conversion information storage unit 41. The inverse conversion unit 42 restores the identification information and the schedule information of the specific format obtained by the unit 53.

The power conditioner 4 includes an individual identification information storage unit 43 that stores individual identification information of the power conditioner 4, and individual identification information that the identification information restored by the inverse conversion unit 42 is stored in the individual identification information storage unit 43. It further includes a determination unit 44 that determines whether or not they match. When the determination unit 44 determines that the identification information does not match the individual identification information, the power conditioner 4 determines that the display unit 45 that displays the identification information and the determination unit 44 that the identification information matches the individual identification information. Only in the case of the above, a schedule storage unit 46 for storing the schedule information restored by the inverse conversion unit 42 is further included. When the determination unit 44 determines that the identification information does not match the individual identification information, the schedule storage unit 46 does not store the schedule information restored by the inverse conversion unit 42.

The power conditioner 4 further includes a power output unit 49 including an inverter 49a that converts DC power obtained by the solar panel 3 into AC power. The power output unit 49 outputs power to the outside of the power plant 2. The power conditioner 4 uses the clock 48 and the power output from the power output unit 49 to the outside of the power plant 2 according to the schedule indicated by the schedule information stored in the schedule storage unit 46 based on the time indicated by the clock 48. It further has a control unit 47 for controlling the amount.

In the power control system 1 described above, when the user inputs the identification information to the reception unit 51 of the schedule setting device 5 using the input device 6, the reception unit 51 receives the input identification information. In the schedule setting device 5, the download unit 52 stores the schedule information corresponding to the identification information received by the reception unit 51 and indicating the power schedule to be output, and the identification information received by the reception unit 51. It is downloaded from the server 72 of the electric power company 7. The conversion unit 53 converts the identification information received by the reception unit 51 and the schedule information downloaded by the download unit 52 into data of a specific format, and the identification information and schedule information of the specific format is converted to the power conditioner 4. Output to.

In the power conditioner 4, the conversion information storage unit 41 stores the identification information of a specific format and the schedule information output by the conversion unit 53 of the schedule setting device 5. The inverse conversion unit 42 restores the identification information and the schedule information of the specific format, which is the information stored in the conversion information storage unit 41 and is obtained by the conversion unit 53. The determination unit 44 determines whether the identification information restored by the inverse conversion unit 42 matches the individual identification information stored in the individual identification information storage unit 43.

When the determination unit 44 determines that the identification information does not match the individual identification information, the display unit 45 displays the identification information. The schedule storage unit 46 stores the schedule information restored by the inverse conversion unit 42 only when the determination unit 44 determines that the identification information matches the individual identification information. The control unit 47 controls the amount of power output from the power output unit 49 to the outside of the power plant 2 based on the time indicated by the clock 48 and according to the schedule information stored in the schedule storage unit 46. The inverter 49a of the power output unit 49 converts the DC power obtained by the solar panel 3 into AC power, and the power output unit 49 is controlled by the control unit 47 and the schedule indicated by the schedule information stored in the schedule storage unit 46. Then, the electric power is output to the outside of the power plant 2.

As described above, in the first embodiment, when the identification information input by the user to the reception unit 51 of the schedule setting device 5 using the input device 6 does not match the individual identification information of the power conditioner 4, the identification information is handled. The schedule information to be stored is not stored in the schedule storage unit 46. The schedule information corresponding to the input identification information is stored in the schedule storage unit 46 only when the identification information input by the user to the reception unit 51 of the schedule setting device 5 matches the individual identification information of the power conditioner 4. That is, only the schedule information corresponding to the individual identification information of the power conditioner 4 is stored in the schedule storage unit 46. Therefore, the control unit 47 can control the amount of electric power that the electric power output unit 49 outputs to the outside of the power plant 2 according to the schedule indicated by the schedule information corresponding to the individual identification information of the power conditioner 4.

The schedule information corresponding to the individual identification information of the power conditioner 4 is information on the schedule that is normally assigned to the power plant 2. Therefore, the power control system 1 can cause the power station 2 to use the information on the schedule that is normally assigned. In addition, since the voltage in the commercial power system 8 is stabilized when the information of the schedule that is normally assigned is used, the power control system 1 can stabilize the voltage in the commercial power system 8. Further, the power control system 1 can prevent the power station 2 from using information on an incorrect schedule that is not properly assigned. That is, the electric power company 7 can output electric power to the power plant 2 on a schedule intended by the electric power company 7.

As described above, when the display unit 45 of the power conditioner 4 determines by the determination unit 44 that the identification information restored by the inverse conversion unit 42 does not match the individual identification information stored in the individual identification information storage unit 43. , Display identification information. That is, the display unit 45 can prompt the user to input the identification information that matches the individual identification information into the reception unit 51 of the schedule setting device 5.

As described above, an example of the individual identification information of the power conditioner 4 is the unique information that the power conditioner 4 has, and an example of the unique information is the power station ID and the media access control address that the power conditioner 4 has. The above-mentioned unique information, and by extension, the above-mentioned power station ID and media access control address are information that is difficult for a third party who is not the user of the power station 2 to know.

Therefore, even if a third party inputs the identification information different from the individual identification information of the power conditioner 4 into the reception unit 51 of the schedule setting device 5 and causes the schedule setting device 5 to download the schedule information, the power plant 2 The downloaded schedule information is not used. In addition, even if a third party downloads the schedule information that is not legally assigned to the power plant 2 to the schedule setting device 5 and improperly processes it, the improperly processed schedule information is not used at the power plant 2. .. That is, the power control system 1 can cause the power plant 2 to use the information on the schedule that is normally assigned.

Embodiment 2.
FIG. 3 is a diagram showing the configuration of the power control system 1A according to the second embodiment. The power control system 1A of the second embodiment is similar to the power control system 1 of the first embodiment. The power control system 1A of the second embodiment has a power conditioner 4A different from the power conditioner 4 of the power control system 1 of the first embodiment.

The power conditioner 4A has all the constituent elements that the power conditioner 4 of the first embodiment has, and also has an identification information storage unit 50. The difference between the power conditioner 4A and the power conditioner 4 is that the power conditioner 4A has the identification information storage unit 50.

The identification information storage unit 50 is restored by the inverse conversion unit 42 when the identification information restored by the inverse conversion unit 42 is determined by the determination unit 44 that matches the individual identification information stored in the individual identification information storage unit 43. Stored identification information. When the identification information storage unit 50 stores the identification information and the reception unit 51 receives the new identification information and the inverse conversion unit 42 restores the new identification information, the determination unit 44 stores the new identification information. It is determined whether or not it matches the identification information stored in the identification information storage unit 50. When the individual identification information is changed, the individual identification information stored in the individual identification information storage unit 43 is rewritten. That is, it is possible to change the individual identification information.

The display unit 45 displays the new identification information when the determination unit 44 determines that the new identification information does not match the identification information stored in the identification information storage unit 50. The schedule storage unit 46 is schedule information corresponding to the new identification information and is the inverse conversion unit only when the determination unit 44 determines that the new identification information matches the identification information stored in the identification information storage unit 50. The schedule information restored by 42 is stored.

Since the identification information stored in the identification information storage unit 50 is the same as the individual identification information of the power conditioner 4, the power control system 1A of the second embodiment is also the same as the power control system 1 of the first embodiment. The power station 2 can be made to use the information of the regularly assigned schedule.

Embodiment 3.
FIG. 4 is a diagram showing a configuration of the schedule setting device 5A in the power control system according to the third exemplary embodiment. The configuration of the schedule setting device 5A of the third embodiment is different from the configuration of the schedule setting device 5 of the first or second embodiment. In the third embodiment, the schedule setting device 5A will be mainly described. The schedule setting device 5 of the first or second embodiment can be replaced with the schedule setting device 5A.

In the schedule setting device 5A, in addition to the reception unit 51, the download unit 52, and the conversion unit 53 included in the schedule setting device 5, is the identification information received by the reception unit 51 the identification information first received by the reception unit 51? It has the 1st frequency judgment part 54 which judges whether or not. In the case where the schedule setting device 5A determines that the identification information accepted by the acceptance unit 51 is the identification information accepted by the acceptance unit 51 for the first time, the identification accepted by the acceptance unit 51 is determined by the first count determination unit 54. It further has the 1st permission part 55 which permits use of information.

When the first number-of-times determining unit 54 determines that the identification information received by the receiving unit 51 is not the identification information first received by the receiving unit 51, the schedule setting device 5A receives the identification information received by the receiving unit 51. It further includes a first display control unit 56 that causes the second display unit 9 to display information indicating that the permission information for using is required. The second display unit 9 is a device provided outside the schedule setting device 5A and is connected to the schedule setting device 5A. An example of the permission information is a password.

The reception unit 51 has a function of receiving the above permission information. When the first number-of-times determining unit 54 determines that the identification information received by the receiving unit 51 is not the identification information received by the receiving unit 51 for the first time, the first permitting unit 55 receives the permission information. After that, the use of the identification information accepted by the acceptance unit 51 is permitted.

The download unit 52 downloads the schedule information corresponding to the identification information permitted to be used by the first permitting unit 55 by using the identification information permitted to be used by the first permitting unit 55. The conversion unit 53 includes the identification information permitted to be used by the first permission unit 55 and the schedule information corresponding to the identification information permitted to be used by the first permission unit 55, which is downloaded by the download unit 52. Convert the created schedule information into data in a specific format.

As described above, when the first permission determination unit 54 determines that the identification information received by the reception unit 51 is the identification information received by the reception unit 51 for the first time, the first permission determination unit 55 determines the reception unit 51. Authorize the use of the identification information received by. When the first number-of-times determining unit 54 determines that the identification information received by the receiving unit 51 is not the identification information received by the receiving unit 51 for the first time, the first permitting unit 55 receives the permission information. After that, the use of the identification information accepted by the acceptance unit 51 is not permitted.

When the first number-of-times determination unit 54 determines that the identification information received by the reception unit 51 is not the identification information received by the reception unit 51 for the first time, the first display control unit 56 is received by the reception unit 51. Information indicating that the permission information for using the identification information is necessary is displayed on the second display unit 9.

That is, in the schedule setting device 5A according to the third embodiment, if the identification information received by the reception unit 51 is the identification information received by the reception unit 51 for the first time, the download unit 52 is not restricted and the reception unit 52 is not restricted. The schedule information is downloaded using the identification information accepted by 51 for the first time. On the other hand, if the identification information accepted by the acceptance unit 51 is not the identification information accepted by the acceptance unit 51 for the first time, the download unit 52 does not download the schedule information unless the permission information is input.

Therefore, the schedule setting device 5A of the third embodiment does not download the schedule information easily when the receiving unit 51 receives the identification information, but does not download the schedule information when the receiving unit 51 receives the identification information a plurality of times. Can reduce the possibility of accidental download.

In addition, the schedule setting device 5A according to the third embodiment may download the schedule information when the identification information is used for the first time by an installer of the power conditioner 4 or the schedule setting device 5A who does not know the permission information. To give permission. That is, by using the schedule setting device 5A, the installer can perform the initial setting when installing the power conditioner 4 or the schedule setting device 5A.

Fourth Embodiment
FIG. 5 is a diagram illustrating the configuration of the schedule setting device 5B in the power control system according to the fourth embodiment. The configuration of the schedule setting device 5B of the fourth embodiment is different from the configuration of the schedule setting device 5 of the first or second embodiment. In the fourth embodiment, the schedule setting device 5B will be mainly described. The schedule setting device 5 of the first or second embodiment can be replaced with the schedule setting device 5B.

In addition to the reception unit 51, the download unit 52, and the conversion unit 53 included in the schedule setting device 5, the schedule setting device 5B determines whether or not the number of times the reception unit 51 has received the identification information has exceeded a predetermined reference number. It has the 2nd frequency judgment part 57 which judges. The schedule setting device 5B permits the use of the identification information received by the reception unit 51 when the second number determination unit 57 determines that the number of times the reception unit 51 has received the identification information does not exceed the reference number. The second permission unit 58 is further included.

When the second number determination unit 57 determines that the number of times the reception unit 51 receives the identification information exceeds the reference number, the schedule setting device 5B uses the identification information received by the reception unit 51 as permission information. It further includes a second display control unit 59 that causes the second display unit 9 to display information indicating that is required. The second display unit 9 is a device provided outside the schedule setting device 5B and is connected to the schedule setting device 5B. An example of the permission information is a password.

The reception unit 51 has a function of receiving the above permission information. When the second number determination unit 57 determines that the number of times the reception unit 51 has received the identification information has exceeded the reference number, the second permission unit 58 receives the permission information, and then the reception unit 51. Permits the use of the identification information received by.

The download unit 52 downloads the schedule information corresponding to the identification information permitted to be used by the second permission unit 58, using the identification information permitted to be used by the second permission unit 58. The conversion unit 53 includes the identification information permitted to be used by the second permission unit 58 and the schedule information corresponding to the identification information permitted to be used by the second permission unit 58, which is downloaded by the download unit 52. Convert the created schedule information into data in a specific format.

As described above, the second permitting unit 58, when the second number determination unit 57 determines that the number of times the accepting unit 51 has accepted the identification information does not exceed the reference number, the identification information accepted by the accepting unit 51. Allow the use of. When the second number determination unit 57 determines that the number of times that the reception unit 51 has received the identification information has exceeded the reference number, the second permission unit 58 is only after the reception unit 51 has received the permission information. The use of the identification information accepted by the acceptance unit 51 is not permitted.

When the second number determination unit 57 determines that the number of times the reception unit 51 has received the identification information exceeds the reference number, the second display control unit 59 causes the second display control unit 59 to use the identification information received by the reception unit 51. Information indicating that the permission information is required is displayed on the second display unit 9.

That is, in the schedule setting device 5B according to the fourth embodiment, when the number of times the receiving unit 51 receives the identification information does not exceed the reference number, the download unit 52 receives the receiving unit 51 without restriction. The schedule information is downloaded using the identification information. On the other hand, when the number of times the receiving unit 51 receives the identification information exceeds the reference number, the download unit 52 does not download the schedule information unless the permission information is input.

Therefore, the schedule setting device 5B of the fourth embodiment does not download the schedule information easily when the receiving unit 51 receives the identification information, but the receiving unit 51 receives the identification information more than the reference number of times. In this case, it is possible to reduce the possibility that the schedule information will be inadvertently downloaded.

In addition, the schedule setting device 5B of the fourth embodiment also downloads the schedule information to the installer of the power conditioner 4 or the schedule setting device 5B who does not know the permission information when the number of times the identification information is used is less than or equal to the reference number Allowed to be done. That is, by using the schedule setting device 5B, even if the installer mistakenly inputs identification information different from the individual identification information of the power conditioner 4 into the schedule setting device 5B, the number of times the identification information is input is the reference number of times. In the following cases, the same identification information as the individual identification information of the power conditioner 4 can be input to the schedule setting device 5B again to perform the initial setting when the power conditioner 4 or the schedule setting device 5B is installed.

Embodiment 5.
FIG. 6 is a diagram showing the configuration of the schedule setting device 5C in the power control system according to the fifth embodiment. The configuration of the schedule setting device 5C of the fifth embodiment is different from the configuration of the schedule setting device 5 of the first or second embodiment. Therefore, in the fifth embodiment, the schedule setting device 5C will be mainly described. The schedule setting device 5 of the first or second embodiment can be replaced with the schedule setting device 5C.

In the schedule setting device 5C, in addition to the reception unit 51, the download unit 52, and the conversion unit 53 included in the schedule setting device 5, is the identification information received by the reception unit 51 the identification information received by the reception unit 51 for the first time? It has the 1st frequency judgment part 54 which judges whether or not. The schedule setting device 5C further includes a second clock 60. When the schedule setting device 5C determines that the identification information accepted by the acceptance unit 51 is the identification information accepted by the acceptance unit 51 for the first time, the time set by the second clock 60 is set. Originally, it further has a time storage unit 61 that stores initial information indicating the initial time when the identification information is first received by the reception unit 51.

The schedule setting device 5C determines whether or not the elapsed time from the first time indicated by the first time information stored in the time storage unit 61 exceeds the preset reference time based on the time indicated by the second clock 60. The time determination unit 62 is further provided. The schedule setting device 5C permits the use of the new identification information when the reception unit 51 receives the new identification information when the time determination unit 62 determines that the elapsed time does not exceed the reference time. The third permission unit 63 is further included.

When the time determination unit 62 determines that the elapsed time exceeds the reference time, the schedule setting device 5C is information indicating that permission information for using the new identification information accepted by the acceptance unit 51 is required. Is further included in the third display control unit 64 for displaying on the second display unit 9. The second display unit 9 is a device provided outside the schedule setting device 5C, and is connected to the schedule setting device 5C. An example of the permission information is a password.

The reception unit 51 has a function of receiving the above permission information. When the reception unit 51 receives new identification information after the time determination unit 62 determines that the elapsed time exceeds the reference time, the third permission unit 63 receives the permission information by the reception unit 51, Allow the use of new identification information.

The download unit 52 downloads the schedule information corresponding to the identification information permitted to be used by the third permission unit 63, using the identification information permitted to be used by the third permission unit 63. The conversion unit 53 includes the identification information permitted to be used by the third permission unit 63 and the schedule information corresponding to the identification information permitted to be used by the third permission unit 63, which is downloaded by the download unit 52. Convert the created schedule information into data in a specific format.

As described above, the third permission unit 63 determines by the time determination unit 62 that the elapsed time from the first time, which is the time when the identification information is first received by the reception unit 51, does not exceed the preset reference time. In this case, when the reception unit 51 receives the new identification information, the use of the new identification information is permitted. When the time determination unit 62 determines that the elapsed time exceeds the reference time, the third permission unit 63 receives the new identification information received by the reception unit 51 unless the reception unit 51 has received the permission information. Is not allowed.

When the time determination unit 62 determines that the elapsed time exceeds the reference time, the third display control unit 64 confirms that the permission information for using the new identification information received by the reception unit 51 is required. The information shown is displayed on the second display unit 9.

That is, in the schedule setting device 5C according to the fifth embodiment, when the elapsed time does not exceed the reference time, the download unit 52 uses the new identification information accepted by the accepting unit 51 without being regulated. Download information. On the other hand, when the elapsed time exceeds the reference time, the download unit 52 does not download the schedule information unless the permission information is input.

Therefore, the schedule setting device 5C according to the fifth embodiment does not easily download the schedule information when the receiving unit 51 receives the identification information, but instead receives the identification information when the elapsed time exceeds the reference time. If accepted by, the possibility that the schedule information is inadvertently downloaded can be reduced.

In addition, the schedule setting device 5C of the fifth embodiment downloads the schedule information to the installer of the power conditioner 4 or the schedule setting device 5C who does not know the permission information when the elapsed time does not exceed the reference time. Allow that. That is, by using the schedule setting device 5C, even if the installer mistakenly inputs the identification information different from the individual identification information of the power conditioner 4 into the schedule setting device 5C, the elapsed time does not exceed the reference time. By re-inputting the same identification information as the individual identification information of the power conditioner 4 into the schedule setting device 5C, it is possible to perform initial setting when the power conditioner 4 or the schedule setting device 5C is installed.

Sixth Embodiment
FIG. 7 is a diagram showing the configuration of the power control system 1B according to the sixth embodiment. The power control system 1B of the sixth embodiment has the same configuration as the power control system 1 of the first embodiment. The power control system 1B of the sixth embodiment has a power conditioner 4B different from the power conditioner 4 of the power control system 1 of the first embodiment.

The power conditioner 4B has all the constituent elements of the power conditioner 4 of the first embodiment except the determination unit 44, and also has a second determination unit 76 and a second identification information storage unit 77. In the sixth embodiment, differences from the first embodiment will be described.

The second determination unit 76 determines whether the identification information restored by the inverse conversion unit 42 matches the individual identification information stored in the individual identification information storage unit 43. When the second identification information storage unit 77 determines that the identification information restored by the inverse conversion unit 42 matches the individual identification information stored in the individual identification information storage unit 43 by the second determination unit 76, the inverse conversion unit The identification information restored by 42 is stored. The second identification information storage unit 77 also stores time information indicating the first time, which is the first time when the identification information is stored, based on the time indicated by the clock 48.

The receiving unit 51 of the schedule setting device 5 has a function of receiving new identification information and permission information for using the new identification information. When the reception unit 51 receives the new identification information, the download unit 52 of the schedule setting device 5 receives the new schedule information corresponding to the new identification information received by the reception unit 51 from the new reception information received by the reception unit 51. The identification information is used to download from the server 72.

The conversion unit 53 of the schedule setting device 5 converts the new identification information received by the reception unit 51 and the schedule information corresponding to the new identification information downloaded by the download unit 52 into data of a specific format. Output to the power conditioner 4B. When the reception unit 51 receives the permission information, the conversion unit 53 converts the permission information into data of a specific format and outputs the data to the power conditioner 4B. In the power conditioner 4B, the conversion information storage unit 41 stores the information output from the conversion unit 53 of the schedule setting device 5, and the inverse conversion unit 42 is the information stored by the conversion information storage unit 41 and is the conversion unit 53. Restore the information output from.

When the receiving unit 51 receives new identification information after the receiving unit 51 receives the identification information based on the time indicated by the clock 48, the second determining unit 76 is restored by the inverse conversion unit 42. The second time when the new identification information is transmitted to the second determination unit 76 is specified. The second determination unit 76 determines whether the elapsed time from the first time to the second time indicated by the time information stored in the second identification information storage unit 77 is less than or equal to a preset reference time. If it is determined that the elapsed time is less than or equal to the reference time, then it is determined whether the new identification information matches the identification information stored in the second identification information storage unit 77. When the second determination unit 76 determines that the elapsed time exceeds the reference time, the new identification information is the second identification information after the reception unit 51 receives the new identification information after the permission information is received. It is determined whether the identification information stored in the storage unit 77 matches.

When the second determination unit 76 determines that the elapsed time exceeds the reference time, the display unit 45 indicates that the elapsed time exceeds the reference time and that permission information is required. Display information and. When the second determination unit 76 determines that the new identification information does not match the identification information stored in the second identification information storage unit 77, the display unit 45 displays the new identification information as the second identification information storage unit 77. Information indicating that the identification information does not match the stored identification information is displayed.

The schedule storage unit 46 is the schedule information corresponding to the new identification information when the second determination unit 76 determines that the new identification information matches the identification information stored in the second identification information storage unit 77. The schedule information restored by the inverse conversion unit 42 is stored.

Since the identification information stored in the second identification information storage unit 77 is the same as the individual identification information of the power conditioner 4B, the power control system 1B according to the sixth embodiment is also the power control system 1 according to the first embodiment. Similarly, the power plant 2 can be made to use the information of the regularly assigned schedule.

As described above, the elapsed time from the first time indicated by the time information stored in the second identification information storage unit 77 to the second time when the new identification information is transmitted to the second determination unit 76 is the reference time. When the second determination unit 76 determines that the permission information is exceeded, the display unit 45 displays information indicating that the permission information is necessary. When the permission information is input and the second determination unit 76 determines that the new identification information matches the identification information stored in the second identification information storage unit 77, the schedule storage unit 46 stores the new identification information. Store the corresponding schedule information.

Since the user of the power plant 2 recognizes the individual identification information of the power conditioner 4B, the same identification information as the individual identification information can be input to the schedule setting device 5 without the elapsed time exceeding the reference time. There is a high possibility that the schedule storage unit 46 can store the schedule information that is normally assigned to the power plant 2. Therefore, the power control system 1B can cause the power station 2 to use the information on the schedule that is normally assigned.

In addition, the power conditioner 4B according to the sixth embodiment is a schedule that is normally assigned to the power conditioner 4B that does not know the permission information or the installer of the schedule setting device 5 when the elapsed time does not exceed the reference time. Information can be stored in the schedule storage unit 46. That is, the power conditioner 4B can cause the power station 2 to use the schedule information that is normally assigned, even if the installer who does not know the permission information does not exceed the reference time.

Furthermore, even if the installer mistakenly inputs the identification information different from the individual identification information of the power conditioner 4B into the schedule setting device 5, if the elapsed time does not exceed the reference time, the individual installation of the power conditioner 4B is not performed. By re-inputting the same identification information as the identification information into the schedule setting device 5, it is possible to perform the initial setting when the power conditioner 4B or the schedule setting device 5 is installed.

In addition, the reception unit 51, the download unit 52, the conversion unit 53, the inverse conversion unit 42, the determination unit 44, the control unit 47, which configure each of the power control systems 1, 1A, and 1B of the first to sixth embodiments, A clock 48, a first number determination section 54, a first permission section 55, a first display control section 56, a second number determination section 57, a second permission section 58, a second display control section 59, a second clock 60, A part or all of the functions of the plurality of components of the time determination unit 62, the third permission unit 63, the third display control unit 64, and the second determination unit 76 may be realized by the processing circuit 81. FIG. 8 is a diagram showing that at least a part of the constituent elements of each of the power control systems 1, 1A and 1B of the first to sixth embodiments is the processing circuit 81.

The processing circuit 81 is dedicated hardware. That is, the processing circuit 81 is, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), or a combination thereof. It is a thing. Some of the plurality of constituent elements that configure each of the power control systems 1, 1A and 1B of the first to sixth embodiments may be dedicated hardware separate from the rest.

The plurality of constituent elements configuring each of the power control systems 1, 1A, and 1B of the first to sixth embodiments may be a processor 92 that executes a program stored in the memory 91. FIG. 9 is a diagram showing that at least a part of the constituent elements of each of the power control systems 1, 1A and 1B of the first to sixth embodiments is the processor 92. The processor 92 is a CPU (Central Processing Unit), a processing device, an arithmetic device, a microprocessor, a microcomputer, or a DSP (Digital Signal Processor).

When at least a part of the constituent elements of each of the power control systems 1, 1A, and 1B of the first to sixth embodiments is the processor 92, the function of the at least a part of the constituent elements is , Software or firmware. The software or firmware is described as a program and stored in the memory 91. The processor 92 realizes the function of some of the components by reading and executing the program stored in the memory 91.

That is, when a part of the constituent elements of each of the power control systems 1, 1A and 1B of the first to sixth embodiments is the processor 92, the power control system of the first to sixth embodiments. Each of 1, 1A and 1B has a memory 91 for storing a program that results in the steps performed by some of the components that make up each of the power control systems 1, 1A and 1B. Have. The program stored in the memory 91 causes a computer to execute the procedure or method executed by a part of the constituent elements of each of the power control systems 1, 1A and 1B of the first to sixth embodiments. It can be said that there is. The memory 91 is non-volatile or volatile such as RAM (Random Access Memory), ROM (Read Only Memory), flash memory, EPROM (Erasable Programmable Read Only Memory), and EEPROM (Electrically Erasable Programmable Read-Only Memory). Semiconductor memory, magnetic disk, flexible disk, optical disk, compact disk, mini disk or DVD (Digital Versatile Disk).

Regarding the functions of the plurality of constituent elements that configure each of the power control systems 1, 1A, and 1B of the first to sixth embodiments, some of them are realized by dedicated hardware, and the rest are realized by software or firmware. May be. As described above, the functions of the plurality of components configuring each of the power control systems 1, 1A, and 1B of the first to sixth embodiments are realized by hardware, software, firmware, or a combination thereof. You can

The configurations described in the above embodiments are examples of the content of the present invention, and can be combined with another known technique, and the configurations of the configurations are not deviated from the scope not departing from the gist of the present invention. It is also possible to omit or change parts.

1, 1A, 1B power control system, 2 power plants, 3 solar panels, 4, 4A, 4B power conditioner, 5, 5A, 5B, 5C schedule setting device, 6 input device, 7 power company, 8 commercial power system , 9 second display section, 41 conversion information storage section, 42 inverse conversion section, 43 individual identification information storage section, 44 determination section, 45 display section, 46 schedule storage section, 47 control section, 48 clock, 49 power output section, 49a Inverter, 50 Identification information storage unit, 51 Reception unit, 52 Download unit, 53 Conversion unit, 54 First number determination unit, 55 First permission unit, 56 First display control unit, 57 Second number determination unit, 58 2nd permission part, 59 2nd display control part, 60 2nd clock, 61 Time storage part, 62 time determination part, 63 3rd permission part, 64 3rd display control part, 71 Schedule creation part, 72 Server, 76 Second determination unit, 77 Second identification information storage unit, 81 Processing circuit, 91 Memory, 92 Processor.

Claims (10)

A power conditioner provided inside the power plant, having individual identification information, and outputting electric power to the outside of the power plant,
A schedule setting device provided outside the power plant,
The schedule setting device,
A reception unit that receives identification information,
Schedule information indicating schedule of electric power to be output, which is schedule information corresponding to the identification information received by the reception unit, is generated by using the identification information received by the reception unit, the power plant and the schedule. A download section for downloading from a server provided outside the setting device,
A conversion unit that converts the identification information received by the reception unit and the schedule information downloaded by the download unit into data of a specific format,
The power conditioner is
An inverse conversion unit that restores the identification information and the schedule information in the specific format obtained by the conversion unit,
A determination unit that determines whether the identification information restored by the inverse conversion unit matches the individual identification information;
A schedule storage unit that stores the schedule information restored by the inverse conversion unit only when the determination unit determines that the identification information matches the individual identification information,
A power output unit for outputting power to the outside of the power plant;
A power control system comprising: a control unit that controls the amount of power output by the power output unit to the outside of the power plant according to the schedule indicated by the schedule information stored in the schedule storage unit. The power conditioner according to claim 1, further comprising a display unit that displays the identification information when the determination unit determines that the identification information does not match the individual identification information. Control system. The power control system according to claim 1 or 2, wherein the individual identification information is information unique to the power conditioner. The power control system according to claim 3, wherein the unique information is a media access control address of the power conditioner. The power control system according to claim 3, wherein the unique information is identification information of the power plant allocated by a power company. The power conditioner further includes an identification information storage unit that stores the identification information when the determination unit determines that the identification information matches the individual identification information,
The determination unit, when new identification information is restored by the inverse conversion unit after the identification information is stored in the identification information storage unit, the new identification information is stored in the identification information storage unit. Judge whether it matches the identification information,
The display unit displays the new identification information when the determination unit determines that the new identification information does not match the identification information stored in the identification information storage unit,
The schedule storage unit is schedule information corresponding to the new identification information only when the determination unit determines that the new identification information matches the identification information stored in the identification information storage unit. The power control system according to claim 2, wherein the schedule information restored by the inverse conversion unit is stored. The schedule setting device,
A number-of-times determination unit that determines whether or not the identification information received by the reception unit is the identification information first received by the reception unit,
When the identification information accepted by the acceptance unit is the identification information accepted by the acceptance unit for the first time, the permission unit that permits the use of the identification information accepted by the acceptance unit. ,
When the number-of-times determining unit determines that the identification information received by the receiving unit is not the identification information received by the receiving unit for the first time, permission information for using the identification information received by the receiving unit is required. And a display control unit that causes the second display unit to display information indicating that
The reception unit has a function of receiving the permission information,
When the permission unit determines that the identification information accepted by the accepting unit is not the identification information accepted by the accepting unit for the first time by the number-of-times determining unit, after the accepting unit accepts the permit information, Allows the use of the identification information received by the reception unit,
The download unit downloads schedule information corresponding to the identification information permitted to be used by the permission unit, using the identification information permitted to be used by the permission unit,
The conversion unit is schedule information corresponding to the identification information permitted to be used by the permission unit and the identification information permitted to be used by the permission unit, and the schedule information downloaded by the download unit. The power control system according to any one of claims 1 to 6, wherein and are converted into data of a specific format. The schedule setting device,
A number determination unit that determines whether the number of times the reception unit has received the identification information has exceeded a predetermined reference number,
When the number of times the reception unit has received identification information is determined not to exceed the reference number by the number of times determination unit, a permission unit that permits the use of the identification information received by the reception unit,
Information indicating that permission information for using the identification information received by the reception unit is necessary when the number of times the reception unit has received the identification information exceeds the reference number of times by the number determination unit. And a display control unit for displaying on the second display unit,
The reception unit has a function of receiving the permission information,
If the permission unit determines that the number of times the reception unit has received identification information exceeds the reference number of times by the number determination unit, the reception unit receives the permission information after the reception unit has received the permission information. Allow the use of identification information,
The download unit downloads schedule information corresponding to the identification information permitted to be used by the permission unit, using the identification information permitted to be used by the permission unit,
The conversion unit is schedule information corresponding to the identification information permitted to be used by the permission unit and the identification information permitted to be used by the permission unit, and the schedule information downloaded by the download unit. The power control system according to any one of claims 1 to 6, wherein and are converted into data of a specific format. The schedule setting device,
A number-of-times determination unit that determines whether or not the identification information received by the reception unit is the identification information first received by the reception unit,
With a clock
When the identification information accepted by the accepting unit is the identification information accepted by the accepting unit for the first time, the identification information is determined based on the time indicated by the timepiece. A time storage unit that stores initial information indicating the initial time, which is the time first accepted by
Based on the time indicated by the clock, a time determination unit that determines whether or not the elapsed time from the first time indicated by the first time information stored in the time storage unit exceeds a preset reference time,
If it is determined by the time determination unit that the elapsed time does not exceed the reference time, when new identification information is received by the reception unit, a permission unit that permits the use of the new identification information,
If the time determination unit determines that the elapsed time exceeds the reference time, the second information indicating that permission information for using the new identification information received by the reception unit is necessary is provided. Further having a display control unit for displaying on the display unit,
The reception unit has a function of receiving the permission information,
The permission unit receives the permission information by the reception unit when the new identification information is received by the reception unit after the time determination unit determines that the elapsed time exceeds the reference time. Afterwards, permitting the use of the new identification information,
The download unit downloads schedule information corresponding to the identification information permitted to be used by the permission unit, using the identification information permitted to be used by the permission unit,
The conversion unit is schedule information corresponding to the identification information permitted to be used by the permission unit and the identification information permitted to be used by the permission unit, and the schedule information downloaded by the download unit. The power control system according to any one of claims 1 to 6, wherein and are converted into data of a specific format. The power conditioner is
When the identification unit determines that the identification information matches the individual identification information, an identification information storage unit that stores the identification information,
Further having a clock,
The identification information storage unit further stores time information indicating a first time, which is the first time when the identification information is stored, based on the time indicated by the clock,
The reception unit has a function of receiving new identification information and permission information for using the new identification information,
(1) When the new identification information is received by the reception unit after the identification information is received by the reception unit based on the time indicated by the clock, A second time, which is a time at which the restored new identification information is transmitted to the determination unit, is specified, and (2) from the first time indicated by the time information stored in the identification information storage unit. It is determined whether or not the elapsed time up to the second time is less than or equal to a preset reference time, and (3) when the elapsed time is less than or equal to the reference time, the new identification information is It is determined whether or not the identification information stored in the identification information storage unit matches, and (4) when the elapsed time exceeds the reference time, the acceptance unit accepts the permission information. After that, it is determined whether the new identification information matches the identification information stored in the identification information storage unit,
If the determination unit determines that the elapsed time exceeds the reference time (A), the display unit displays information indicating that the elapsed time exceeds the reference time and the permission information. And (B) the new identification information is displayed when the determination unit determines that the new identification information does not match the identification information stored in the identification information storage unit. And displaying information indicating that the information does not match the identification information stored in the identification information storage unit,
The schedule storage unit is schedule information corresponding to the new identification information when the determination unit determines that the new identification information matches the identification information stored in the identification information storage unit. The power control system according to claim 2, wherein the schedule information restored by the inverse conversion unit is stored.

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