WO2016147456A1 - Système de commande de surveillance de dispositif de génération d'électricité, système d'alimentation électrique, dispositif de commande, dispositif de gestion, procédé et programme - Google Patents

Système de commande de surveillance de dispositif de génération d'électricité, système d'alimentation électrique, dispositif de commande, dispositif de gestion, procédé et programme Download PDF

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Publication number
WO2016147456A1
WO2016147456A1 PCT/JP2015/077658 JP2015077658W WO2016147456A1 WO 2016147456 A1 WO2016147456 A1 WO 2016147456A1 JP 2015077658 W JP2015077658 W JP 2015077658W WO 2016147456 A1 WO2016147456 A1 WO 2016147456A1
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Prior art keywords
power generation
power
control
amount
output
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PCT/JP2015/077658
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English (en)
Japanese (ja)
Inventor
雅人 小山
孝一郎 武内
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日本電気株式会社
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Priority to JP2017506011A priority Critical patent/JP6677242B2/ja
Publication of WO2016147456A1 publication Critical patent/WO2016147456A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
    • H02J3/466—Scheduling the operation of the generators, e.g. connecting or disconnecting generators to meet a given demand
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector

Definitions

  • the present invention is based on a Japanese patent application: Japanese Patent Application No. 2015-051226 (filed on March 13, 2015), and the entire description of the application is incorporated herein by reference.
  • the present invention relates to a power generation device monitoring control system, a power system, a control device, a management device, a method, and a program, and more particularly, a power generation device monitoring control system, a power system, and a control for a power generation device that generates power mainly by renewable energy.
  • the present invention relates to an apparatus, a management apparatus, a method, and a program.
  • Patent Document 1 discloses a power generation system that can effectively use solar power generation by individually suppressing the output of each solar power generation while considering the total power generation amount of a plurality of solar power generations.
  • the same document receives information on the power generation amount limit value from an output suppression management device that manages a plurality of power conditioners, and also transmits a communication unit that transmits information on the power generation amount of the own device, and the power generation amount limit value.
  • a power conditioner including a suppression control unit that suppresses output power of the device itself is disclosed.
  • the output suppression management device is configured such that the total generated power that is the sum of the power generation amounts of the plurality of power conditioners managed by the output suppression management device that manages the own device is the sum of the power generation amounts of the plurality of power conditioners. It describes that the power generation amount limit value is set so as not to exceed the total power generation upper limit value that is the upper limit value of the sum.
  • Non-Patent Document 1 discloses a distribution automation system used for distribution system operation on the power system side.
  • Non-Patent Document 1 the power system switches the distribution network for various reasons such as accident recovery, equipment maintenance, overload elimination, etc.
  • Non-Patent Document 1 page 211, Table 1, “2 Control” Section.
  • the power generation apparatus is connected to the power distribution network and executes power sale through the power distribution network. For this reason, when switching of the distribution network occurs, power is sold through different distribution paths, so that the reverse power flow increases in the specific path and the power system may become unstable.
  • Patent Document 1 suppresses the generation of surplus power as described above, but does not assume a situation in which a large number of power generation devices using renewable energy are dispersed and arranged in a wide area. It does not take into account that the equipment is affected by the distribution automation system.
  • An object of the present invention is to provide a power generation apparatus monitoring control system, a power system, a control apparatus, a management apparatus, a management method, a power generation apparatus control method, and a program that can contribute to solving the above-described surplus power problem.
  • a power generation device monitoring control system including a control device connected to at least one power generation device and a management device connected to be able to communicate with the control device.
  • the management device calculates an output power generation amount to be generated by the power generation device based on connection information indicating a power generation device that outputs power to a power system and an output instruction that instructs the power system to output power amount. Means, and transmission means for transmitting the calculated output power generation amount to the control device.
  • the control device includes control means for controlling the power generation device based on the output power amount transmitted by the management device.
  • a power system system including a management device connected to the control device and a power system from which power is output from the power generation device.
  • the management device is configured to calculate an output power generation amount of the power generation device based on connection information indicating a power generation device that outputs power to the power system and an output instruction that instructs an output power amount to the power system; Transmitting means for transmitting the calculated output power generation amount to the control device.
  • the control device includes control means for controlling the power generation device based on the output power generation amount transmitted by the management device.
  • a control device and a management device that constitute the above-described power generation device monitoring control system are provided.
  • a method for operating the above-described management apparatus based on connection information indicating a power generation apparatus that can output power to the power system and an output instruction that instructs the power system to output power.
  • the method includes a calculation step of calculating the output power generation amount of the power generation device, and a transmission step of transmitting the output power generation amount to the control device.
  • a method for operating the above-described control device the receiving step receiving an output power generation amount from the management device, and the power generation device based on the output power generation amount received in the reception step And a control step for controlling.
  • Each method described above is associated with a specific machine such as a control device and a management device.
  • a computer program for realizing the functions of the control device and the management device described above is provided.
  • This program can be recorded on a computer-readable (non-transient) storage medium. That is, the present invention can be embodied as a computer program product.
  • a power generator monitoring control system including a control device group 110 that controls the power generator 120 and a management device 200 that monitors and controls the control device 110. Can be realized.
  • control device 110 reports the output power generation amount of at least one power generation device 120 connected to the own device to the management device 200 that manages the area to which each device is connected.
  • the management device 200 calculates the output power generation amount that the power generation device should generate based on the connection information of the power generation device 120 received from the power system 300 and the output instruction that instructs the power system to output power amount. 203, and transmission means 204 for transmitting the calculated output power generation amount to the control device.
  • the connection information is information indicating to which power distribution path in the distribution network the power generation apparatus is connected, that is, the power generation apparatus 120 that outputs power to the power system 300, and is created by the distribution automation system. .
  • connection information described above can be used as information that causes the management apparatus 200 to determine whether or not the power generation apparatus is a control target of the own apparatus. For example, when the power generation device 120c is out of the power distribution network to be controlled by the own device, the management device 200 subsequently removes the power generation device 120c from the control target. On the other hand, when another power generation device is connected to the power distribution network to be controlled by the own device, the management device 200 subsequently adds the power generation device to the control target.
  • the output instruction is an instruction for controlling the amount of power generation to the management apparatus 200 transmitted from the power system 300.
  • a suppressed power generation amount, a suppressed power generation rate, a target power generation amount, a target power generation rate, a stop signal, or the like of a group of power generation devices to be managed by the management device 200 can be considered.
  • the group divides the power generation devices into specific areas (areas such as Tokyo and Minato-ku) or specific groups (a group of power generation devices whose total power generation amount is 500 kw or less). It may be a thing.
  • the management apparatus 200 When receiving the connection information and the output instruction from the power system 300 side, the management apparatus 200 instructs the output power generation amount to the control apparatus 110 under its control based on these information. For example, output from the power system 300 that the power generation device 120 is connected to the distribution network A to be managed by the own device and that the power generation amount of the power distribution path A is XX kW ⁇ h.
  • the management apparatus 200 instructs the control apparatus 110 to change the output power generation amount of the power generation apparatus 120 to ⁇ kW ⁇ h based on these instructions.
  • the control device 110 includes control means (see reference numeral 116 in FIG. 2) for controlling the power generation device 120 based on the output power amount transmitted by the management device 200, and adjusts the output power generation amount according to an instruction from the management device 200. .
  • control means for controlling the power generation device 120 based on the output power amount transmitted by the management device 200, and adjusts the output power generation amount according to an instruction from the management device 200.
  • the control device 110 performs the control to suppress the output power generation amount.
  • the management device 200 includes a first acquisition unit 201 that acquires connection information of the power generation device 120 from the power system 300, and a second acquisition unit 202 that acquires an output instruction from the power system 300. It can also be set as the structure provided with. In this case, both or one of the first acquisition unit 201 and the second acquisition unit 202 may be configured as another device that receives connection information or / and an output instruction from the power system 300 side and transmits the connection information to the management device 200. it can. Further, as shown in FIG. 2, the first acquisition unit 201 and the second acquisition unit 202 may be independent as functions, and do not need to be independent as devices. For example, it may be realized as a message receiver that can acquire the two pieces of information from the power system 300 side using a predetermined protocol.
  • the management apparatus 200 has been described with an example in which the output power generation amount is instructed to one control apparatus 110.
  • the management apparatus 200 includes a plurality of control apparatuses. It is also possible to instruct the output power generation amounts of the power generation devices 120a to 120c to 110a to 110c.
  • a configuration in which one control device 110 controls a plurality of power generation devices 120a and 120b can be employed.
  • FIG. 4 is a diagram showing a basic system configuration according to the first embodiment of the present invention. Referring to FIG. 4, a configuration is shown in which a management device 200 is arranged between a power distribution automation system 320 on the power system side, a central power feeding system 310, a control device 110, and a power generation device group 120.
  • the central power supply system (hereinafter, “medium supply system”) 310 calculates the excess or deficiency of the power supply and demand based on the system-integrated power generation amount of each system and the assumed power demand, and sets a control schedule in the management apparatus 200. Send.
  • the distribution automation system (hereinafter referred to as “distribution system”) 320 switches the distribution network for reasons such as accident recovery, facility maintenance, overload elimination, and the like, and transmits connection information of the power generation apparatus to the management apparatus 200 side. .
  • the management device 200 is connected to the control device 110 via a network (not shown). Moreover, the management apparatus 200 is arrange
  • the control device 110 is a device that monitors and controls the power generation devices 120 arranged in various places.
  • the management device 200 transmits a suppression signal to each control device 110 based on the suppression schedule received from the mid-supply system 310.
  • the management device 200 aggregates the individual PV power generation amount information (individual power generation amount) received from the control device 110 and transmits it to the mid-supply system 310.
  • the management device 200 and the control device 110 may be connected via a communication network such as a mobile communication network or the Internet.
  • a communication network such as a mobile communication network or the Internet.
  • the device (parent) 230 may be configured to distribute the processing to a plurality of management devices (child) 220.
  • FIG. 5 the system of the electric power system side shown to the upper stage of FIG. 4, FIG. 5 is an example to the last, and is changed according to the system structure of each electric power company.
  • FIG. 6 is a schematic diagram of FIG. 4 for simply explaining the configuration and functions of the management apparatus. Referring to FIG. 6, a configuration is shown in which the management device 200 is arranged between the power supply / demand information management unit 311, the PV connection information management unit 321, and the wide area network to which the control device 110 is connected. ing.
  • the supply and demand information management unit 311 corresponds to the above-described middle supply system 310, adjusts the supply and demand balance of power, and plans a power generation schedule.
  • the supply and demand information management unit 311 of the present embodiment has a function of transmitting a suppression schedule (one form of output instruction) to the management apparatus 200.
  • the supply and demand information management unit 311 may create and transmit a suppression schedule for each area to each management device 200.
  • the suppression schedule of the entire system is transmitted to the upper management apparatus (parent) 230, and the management apparatus (parent) 230 creates an area-by-area suppression schedule. )
  • a configuration of transmitting to 220 may be adopted.
  • the PV connection information management unit 321 corresponds to the above-described self-distribution system 320, and controls a switch for managing the distribution route of each PV connected to the power system and changing the distribution route. Further, the PV connection information management unit 321 has a function of transmitting PV connection information (power generation apparatus connection information) to the management apparatus 200.
  • the management device 200 communicates with the higher-order bidirectional communication unit 231 for communicating with the system on the power system side, the control unit 232, and the lower-order bidirectional communication for communicating with the control device 110 under the wide-area communication network.
  • the control unit 232 creates a suppression schedule for each PV based on the PV connection information held in the management information storage unit 234 and the suppression schedule, and transmits it to each control device 110.
  • the transmission of the suppression schedule may be transmitted by the supply and demand information management unit 311 in response to a transmission request for the suppression schedule from the management device 200.
  • the management information storage unit 234 stores the PV connection information and the suppression schedule transmitted from the power system side. In addition, the management information storage unit 234 manages the specifications of each PV / PCS received from each control device 110, the real-time power generation amount of each PV, the suppression schedule of each PV calculated by the control unit 232, and the like. Store information.
  • the control device 110 is a terminal that includes the display unit 113 that displays the PV operating state and the like, and monitors the power generation device 120.
  • the control device 110 receives the suppression schedule from the management device 200, the control device 110 instructs the power generation device 120 to perform PV suppression control.
  • the control apparatus 110 reports the alternating current power output in the electric power generating apparatus 120 to the management apparatus 200 as PV electric power generation amount.
  • the power generation device 120 includes an inverter or the like, and includes a device called a power conditioner (PCS) having a function of converting DC power output from the PV into AC power.
  • the power generation device 120 of the present embodiment performs suppression control by adjusting the conversion efficiency of the power generated by the PV by controlling the inverter based on the suppression schedule received from the control device 110. It is possible.
  • the power generation apparatus 120 according to the present embodiment has a function of transmitting a PV power generation amount and the like to the control apparatus 110 at a predetermined cycle.
  • the control unit 110 may request the power generation device 120 to acquire the PV power generation amount and the like, and may acquire the PV from the power generation device 120.
  • the electric power generating apparatus 120 is not restricted to this aspect.
  • the PCS and the power generation device may be configured independently. Even in this case, the control device 110 controls the power generation device via the PCS.
  • the functions of the management apparatus 200 and the control apparatus 110 shown in FIG. 6 can also be realized by a computer program that causes a computer constituting these apparatuses to execute the above-described processes using the hardware.
  • the management apparatus 200 can be realized by a configuration including a CPU 2320, a storage device 2340, a communication device 2310, an input device 2311, and an output device 2312.
  • FIG. 7 is a diagram for explaining the operation (power generation amount report processing) of the first embodiment of the present invention.
  • the power generation device 120 transmits the PV power generation information to the control device 110 at predetermined time intervals.
  • the control device 110 aggregates the PV power generation amount received from the power generation device 120 for a certain period, and then transmits it to the management device 200. For example, the control device 110 counts the PV power generation amount received from the power generation device 120 at intervals of 30 seconds every 30 minutes, and with respect to the management device 200, the total power generation amount for 30 minutes (30 minutes integrated value of the power generation amount). Is transmitted (step S001). In the example of FIG. 7, the control device 110 actively transmits the PV power generation amount to the management device 200, but the control device 110 transmits the PV power generation amount in response to a request from the management device 200. It may be.
  • the management apparatus 200 that has received the PV power generation amount stores the PV power generation amount in the management information storage unit 234 (step S002). Moreover, the management apparatus 200 calculates the average PV power generation amount of each PV (step S003). This average PV power generation amount can be included in the information transmitted to the management apparatus 200.
  • the management device 200 that has received the PV power generation amount transmits the PV power generation amount to the power system side at predetermined time intervals.
  • the management device 200 actively transmits the PV power generation amount to the power system side, but the management device may transmit the PV power generation amount in response to a request from the power system side. .
  • the power generation amount of the PV to be managed can be reported to the power system side.
  • FIG. 8 is a diagram for explaining the operation (power generation amount control process) of the first embodiment of the present invention.
  • the PV connection information management unit 321 on the power system side transmits PV connection information to the management apparatus 200.
  • the management apparatus 200 Upon receiving the PV connection information, the management apparatus 200 stores the received PV connection information in the management information storage unit 234 (step S101).
  • the power supply / demand information management unit 311 transmits an area suppression schedule to the management device 200 in consideration of the power supply / demand balance.
  • the management device 200 stores the received area suppression schedule in the management information storage unit 234 (step S102). Note that reception of connection information and reception of an area suppression schedule in the management apparatus can be performed independently and asynchronously.
  • the management apparatus 200 creates a PV suppression schedule based on the area suppression schedule received from the power system side and the PV connection information (step S103).
  • this suppression schedule for example, a round robin method for selecting power generation devices to be suppressed in the order shown in FIGS. 9 and 10 can be considered, but fairness and suppression efficiency among other PV (PV owners).
  • PV owners PV owners
  • Various modifications in consideration of the characteristics can be used. These will be described as another embodiment.
  • the management apparatus 200 answers back the created suppression schedule to the supply and demand information management unit 311, but the answer back can be omitted.
  • the management device 200 transmits PV suppression control information (instruction of output power generation amount) to the control device 110 that manages the PV to be suppressed in accordance with the created PV suppression schedule (step S104).
  • the management device 200 transmits PV suppression control information to the control device 110 that manages the PV that has reached the PV suppression execution time.
  • the management device 200 transmits the PV suppression control information all at once to all suppression target PVs. It is also possible to adopt a method of
  • the control apparatus 110 which received PV suppression control information displays the presence or absence of suppression implementation on the display part 113 (step S105). Furthermore, the control device 110 transmits suppression control information to the power generation device 120.
  • the power generation device 120 that has received the suppression control information performs suppression control of the PV output power. In the example of FIG. 6, the power generation device 120 answers the control device 110 whether or not the suppression control is successful and transmits it to the power system side, but the answerback may be omitted. .
  • the management apparatus 200 instructs suppression control based on the connection information and the suppression schedule. More specifically, the power generation system is connected to a specific power distribution path that changes the power distribution path in view of power distribution such as accident recovery, facility maintenance, and overload elimination in the distribution network 320. However, according to the configuration in which the management device 200 is arranged, since the suppression schedule is implemented using the connection information, there is a reverse power flow in the specific power distribution path. It is possible to avoid the situation that occurs.
  • FIG. 9 is a diagram illustrating a method of switching the power generation device (PV) for suppression control in the above-described round robin method.
  • the example of FIG. 9 is an example in which the suppression instruction period in the area suppression schedule received from the power system side is distributed to four power generation devices (PV).
  • two or more power generators 120 may be controlled simultaneously. For example, as shown in FIG. 10, it is possible to reduce the amount of suppressed power generation instructed to each power generation device 120 so that necessary power generation is performed in each power generation device (PV).
  • PV power generation device
  • the suppression time is equally distributed to each power generator 120, but the suppression control period of each power generator 120 may be determined in consideration of other factors.
  • the PV of an owner who has a special contract to reduce and shorten the suppression amount and the suppression period can be shortened, or conversely, the PV of the owner who has a special contract to preferentially apply suppression control. Variations such as increasing the suppression control time or increasing the suppression amount are conceivable.
  • FIG. 11 is a diagram showing a configuration of a power generator monitoring control system according to the second embodiment of the present invention.
  • the difference from the first embodiment shown in FIG. 6 is that a pyranometer 114 is added to the control device 110.
  • the control apparatus 110 in this embodiment transmits the sensor value of the pyranometer 114 with respect to the management apparatus 200 with the PV power generation amount of step S001 of FIG.
  • FIG. 12 is a diagram showing an example of a suppression schedule in the second embodiment of the present invention.
  • the management device 200 according to the second embodiment has the amount of solar radiation exceeding a predetermined value based on the value of the pyranometer received from the control device 110 before the creation of the suppression schedule.
  • a power generation device 120 (for example, solar radiation amount> 0) for which the amount is expected is selected.
  • the reason for selecting the power generation device 120 whose solar radiation amount is larger than the predetermined value is that the power generation device 120 whose solar radiation amount is smaller than the predetermined value is small in the first place, so it is necessary even if it is selected as an object of suppression. This is because it cannot contribute to the achievement of a sufficient amount of suppression.
  • the power generation device 4 since the solar radiation amount of the power generation device 4 is 0, the power generation device 4 is excluded from the suppression target, and the remaining power generation devices 1 to 3 perform suppression control.
  • the control device 110 is provided with the pyranometer 114, but the control device 110 is not necessarily provided with the pyranometer 114.
  • the management device 200 can directly obtain a value of a pyranometer arranged in the vicinity of the PV, or can use mesh solar radiation data, local nowcast information, etc. of the Japan Meteorological Agency or a private weather company.
  • the third embodiment is an example in which the power generation amount is used instead of the solar radiation amount data of the second embodiment. Since the third embodiment can be realized with the same configuration (FIGS. 6 and 11) as the first embodiment (FIG. 6) or the second embodiment (FIG. 11), the difference will be described below. The explanation will focus on the points.
  • FIG. 13 is a diagram showing an example of a suppression schedule in the third embodiment of the present invention.
  • the management device 200 selects a power generation device whose power generation amount exceeds a predetermined value based on the power generation amount received from the control device 110 before creating the suppression schedule.
  • the power generation device 3 since the power generation amount of the power generation device 3 is less than or equal to a predetermined value, the power generation device 3 is excluded from the suppression target, and the remaining power generation device 1, power generation device 2, and power generation device 4 perform suppression control. As described above, according to this embodiment, it is possible to achieve the same effect as that of the second embodiment without using solar radiation data.
  • the fourth embodiment is a method in which each power generation device (control device) creates a suppression schedule by selecting a power generation device that is subject to suppression control in consideration of the accumulated time that has been subject to suppression. Since the fourth embodiment can be realized with the same configuration (FIGS. 6 and 11) as the first embodiment (FIG. 6) or the second embodiment (FIG. 11), the difference will be described below. The explanation will focus on the points.
  • FIG. 14 is a diagram showing an example of a suppression schedule in the fourth embodiment of the present invention.
  • the management apparatus 200 refers to the management information storage unit 234 before creating the suppression schedule, and the cumulative suppression time so far is less than a predetermined value (for example, the cumulative suppression time ⁇ predetermined value).
  • a predetermined value for example, the cumulative suppression time ⁇ predetermined value.
  • the power generation device 1 and the power generation device 4 are subjected to suppression control because they are excluded from suppression.
  • the fifth embodiment is a method in which each power generation device (control device) creates a suppression schedule by selecting a power generation device to be subjected to suppression control in consideration of the cumulative suppression power generation amount by the suppression instruction. Since the fifth embodiment can be realized with the same configuration (FIGS. 6 and 11) as the first embodiment (FIG. 6) or the second embodiment (FIG. 11), the difference will be described below. The explanation will focus on the points.
  • FIG. 15 is a diagram illustrating an example of a suppression schedule according to the fifth embodiment of the present invention.
  • the management apparatus 200 refers to the management information storage unit 234 before creating a suppression schedule, and the cumulative power generation amount thus far is less than a predetermined value (for example, cumulative suppression time ⁇ predetermined value).
  • a power generator is selected.
  • the cumulative suppressed power generation amount can be calculated, for example, by adding the suppressed power generation amount obtained by multiplying the power generation amount when the corresponding power generation device is not subjected to suppression control by the suppression rate.
  • an estimated power generation amount can be obtained from the above-mentioned pyranometer data, or the latest reported power generation amount before suppression can be used.
  • the power generation device 2 and the power generation device 4 are subjected to suppression control because they are out of the suppression target.
  • FIG. 16 is a diagram showing an example of a suppression schedule in the sixth embodiment of the present invention.
  • the management device 200 has a pyranometer value that exceeds a predetermined value before the generation of the suppression schedule, and the cumulative suppression power generation amount thus far is less than the predetermined value (for example, the cumulative suppression A power generator with a time ⁇ predetermined value) is selected.
  • the management apparatus 200 has created a schedule for performing suppression control on the remaining power generation apparatus 1 and power generation apparatus 2.
  • the present embodiment it is possible to create a suppression schedule that takes into consideration both the effectiveness of suppression control and the fairness among owners of power generation facilities (PV).
  • the present invention is not limited to the combination of the second embodiment and the fourth embodiment described above, and the second to fifth embodiments can be freely combined.
  • a method for creating a suppression schedule by selecting a power generation device to be subjected to suppression control in consideration of whether or not each power generation device 120 includes a power storage device 115 or a load capable of consuming power is.
  • FIG. 17 is a diagram showing a configuration of a power generator monitoring control system according to a seventh embodiment of the present invention.
  • the difference from the first embodiment shown in FIG. 6 is that there are the control device 110 and the power generation device 120 provided with the power storage device 115 (the top two in the example of FIG. 17).
  • the management device 200 according to the present embodiment holds the presence or absence of the power storage device 115 (or load) in the management information storage unit 234 as the specification of the power generation device 120.
  • the power storage device 115 a power storage device dedicated to PV can be used.
  • a storage battery of an electric vehicle (EV) that can be used as a home power supply or a home storage battery for peak shift can be used. it can.
  • EV electric vehicle
  • FIG. 18 is a diagram illustrating an example of a suppression schedule according to the seventh embodiment of the present invention.
  • the management device 200 according to the seventh embodiment refers to the management information storage unit 234 and selects a power generation device having the power storage device 115 (or load) before creating the suppression schedule.
  • the power generation device 3 and the power generation device 4 are excluded from suppression because the power storage device 115 does not have a load that can consume power. For this reason, the management apparatus 200 has created a schedule for performing suppression control on the remaining power generation apparatus 1 and power generation apparatus 2.
  • the suppression control in the present embodiment is not limited to the output power generation reduction control by the power generation device 120. For example, it is possible to achieve the suppression of the power generation amount by charging the storage battery with the power generation amount that has received the suppression instruction or consuming it with a load.
  • the present embodiment it is possible to achieve the instructed suppressed power generation amount without suppressing the output of the power generation amount in the power generation device 120.
  • a power generation device to be suppressed refer to not only the presence or absence of a rechargeable battery or a load, but also the state of chargeable capacity (SOC) of the power storage device 115 and the availability state of the load. Can do.
  • the power stored in the power storage device 115 can be used at a time when power cannot be generated such as at night.
  • energy can be effectively utilized while realizing a suppressed power generation amount instructed from the management device 200.
  • the present embodiment can construct a system having high affinity with a home energy management system (HEMS) or a system constituting a smart grid.
  • HEMS home energy management system
  • the eighth embodiment is a method in which the sixth embodiment is developed and a suppression schedule is created by setting priorities, using three or more parameters, and selecting a power generation device to be suppressed.
  • FIG. 19 is a diagram for explaining a power generation device selection logic according to the eighth embodiment of the present invention.
  • the priority is set to the selection parameter of the power generation device in the order of the amount of solar radiation (weather information)> cumulative suppression time> (power generation capacity) (each PV).
  • cumulative suppression time power generation capacity
  • 360 hours is set as the upper limit threshold of the cumulative suppression time (30 days with 12 hours of power generation per day).
  • the management device 200 selects the power generation devices 1 to 3 as suppression targets based on the amount of solar radiation (weather information).
  • the management device 200 refers to the cumulative suppression time (cumulative suppression days) of the power generation devices 1 to 3 and selects the power generation device to be suppressed.
  • the cumulative suppression time (cumulative suppression days) since the cumulative suppression time (cumulative suppression days) has not reached 360 hours, any one of the power generators 1 to 3 remains as the suppression target.
  • the management device 200 refers to the power generation capacity of the power generation devices 1 to 3 and selects a power generation device to be suppressed. For example, when the area suppression power generation amount instructed from the power system side is 150 kW ⁇ h, the management device 200 selects the power generation devices in descending order of the power generation capacity. In this case, when the power generation device 3 and the power generation device 2 are selected in descending order of the power generation capacity, the power generation device 1 is excluded from the suppression target because the area suppression power generation amount instructed from the power system side is reached.
  • the management apparatus 200 selects the power generation apparatus 2 and the power generation apparatus 3 and creates a suppression schedule.
  • FIG. 20 is a diagram for explaining the operation in the case where the cumulative suppression time has reached the upper limit with the same power generation device selection logic.
  • the management device 200 selects the power generation devices 1 to 3 as suppression targets based on the amount of solar radiation (weather information). Up to this point, it is the same as the example of FIG.
  • the management device 200 refers to the cumulative suppression time (cumulative suppression days) of the power generation devices 1 to 3 and selects a power generation device to be suppressed.
  • the management apparatus 200 refers to the power generation capacities of the power generation apparatus 1 and the power generation apparatus 3 and selects a power generation apparatus to be suppressed. For example, when the area suppression power generation amount instructed from the power system side is 90 kW ⁇ h, the management device 200 selects the power generation devices in descending order of the power generation capacity, and selects the power generation device 3 when the power generation device 3 is selected.
  • FIGS. 19 and 20 are merely examples, and the present embodiment can be modified in various ways.
  • a method of preferentially selecting a power storage device having a large power storage capacity or a power generation device / control device having a load capable of storing energy can be employed.
  • the present invention is a power generation device that generates power using renewable energy such as wind power, hydropower, tide, geothermal heat, and the like.
  • renewable energy such as wind power, hydropower, tide, geothermal heat, and the like.
  • the present invention can be similarly applied to the case where the configuration is provided.
  • the management device is a power generation device monitoring control system that transmits an output power generation amount generated by the power generation device acquired from the control device to the power system.
  • the control device is a power generation device monitoring control system that acquires an output power generation amount generated by the power generation device from the power generation device, and transmits the acquired output power generation amount generated by the power generation device to the management device.
  • the output power generation amount is a power generation device monitoring control system including at least one of a suppressed power generation amount, a suppressed power generation rate, a target power generation amount, a target power generation rate, and a stop signal for the power generation device.
  • the power generator connection control information is a power generator monitoring and control system, which is information indicating a relationship between the power generator and the power system created by the power distribution automation system.
  • the management device is a power generation device monitoring control system that generates a suppression schedule in the power generation device and suppresses an output power generation amount of the power generation device.
  • the control device is connected to a plurality of power generation devices,
  • the said management apparatus is a power generator monitoring control system which produces the suppression schedule which selects and suppresses the power generation apparatus which instruct
  • the power generation apparatus monitoring control system wherein the predetermined condition is to select a power generation apparatus having a cumulative suppression time or a cumulative power generation amount of a predetermined value or less.
  • the predetermined condition is a power generation apparatus monitoring control system for selecting a solar power generation apparatus to be suppressed from a solar power generation apparatus for which a predetermined power generation amount is expected.
  • the power generation device monitoring and control system, wherein the predetermined condition is to select a power generation device connected to a power storage device capable of storing suppression power or a control device provided with a load capable of consuming suppression power.
  • Control device 110, 110a to 110c Control device 113 Display unit 114 Pyrometer 115 Power storage device 116 Control unit 120, 120a to 120c Power generation device 200 Management device 201 First acquisition unit 202 Second acquisition unit 203 Calculation unit 204 Transmission unit 220 Management unit (child) ) 230 Management device (parent) 231 Upper-level bidirectional communication unit 232 Control unit 233 Lower-side bidirectional communication unit 234 Management information storage unit 300 Power system 310 Central power supply system (medium supply system) 311 Supply / Demand Information Management Department 320 Power Distribution Automation System (Distribution System) 321 PV connection information management unit 2310 Communication device 2311 Input device 2312 Output device 2320 CPU 2340 storage device

Abstract

La présente invention contribue à résoudre le problème lié à un surplus de courant électrique. L'invention concerne un système de commande de surveillance de dispositif de génération d'électricité qui est conçu à partir d'un dispositif de commande qui est connecté à au moins un dispositif de génération d'électricité et à partir d'un dispositif de gestion qui est connecté au dispositif de commande de façon à pouvoir communiquer avec ce dernier. Le dispositif de gestion est pourvu : d'un moyen de calcul qui, sur la base d'informations de connexion qui indiquent un dispositif de génération d'électricité qui délivre en sortie du courant électrique à un système d'alimentation électrique et des instructions de sortie concernant la quantité de courant électrique à délivrer en sortie au système d'alimentation électrique, calcule la quantité de génération d'électricité sortie qui doit être générée par le dispositif de génération d'électricité; et d'un moyen de transmission qui transmet la quantité de génération d'électricité sortie calculée au dispositif de commande. Le dispositif de commande est pourvu d'un moyen de commande qui commande le dispositif de génération d'électricité sur la base de la quantité de génération d'électricité sortie transmise par le dispositif de gestion.
PCT/JP2015/077658 2015-03-13 2015-09-30 Système de commande de surveillance de dispositif de génération d'électricité, système d'alimentation électrique, dispositif de commande, dispositif de gestion, procédé et programme WO2016147456A1 (fr)

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