WO2018225451A1 - Control system and external linkage device - Google Patents

Control system and external linkage device Download PDF

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Publication number
WO2018225451A1
WO2018225451A1 PCT/JP2018/018381 JP2018018381W WO2018225451A1 WO 2018225451 A1 WO2018225451 A1 WO 2018225451A1 JP 2018018381 W JP2018018381 W JP 2018018381W WO 2018225451 A1 WO2018225451 A1 WO 2018225451A1
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WO
WIPO (PCT)
Prior art keywords
time
information
control
external cooperation
control device
Prior art date
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PCT/JP2018/018381
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French (fr)
Japanese (ja)
Inventor
山田　雄介
直 大倉
Original Assignee
シャープ株式会社
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Priority to JP2019523415A priority Critical patent/JP7075930B2/en
Publication of WO2018225451A1 publication Critical patent/WO2018225451A1/en

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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
    • 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
    • H02J3/38—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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Definitions

  • the present invention relates to a power generation control system using natural energy.
  • Patent Document 1 discloses a PCS (Power Conditioning System) having a communication device for communicating with an external server and a conversion device that converts DC power into AC power, and a power management device (EMS: Energy Management System). ) Is described.
  • PCS Power Conditioning System
  • EMS Energy Management System
  • the communication device since the communication device communicates with an external server from a connection port to a network such as a router, it is desirable to arrange the communication device near such a connection port.
  • a converter that converts DC power into AC power or a control device that controls the converter needs to acquire trading power information, so it is desirable to arrange it near the distribution board.
  • An object of one embodiment of the present invention is to improve a power generation control system using natural energy.
  • a control system is a control system for power generation using natural energy, and controls the operation of a conversion device that converts the power generated by the power generation so that it can be consumed by a load.
  • an external cooperation device is an external cooperation device that acquires information used in a power generation control system using natural energy from a predetermined server, and the external cooperation device
  • the time information used for time adjustment of the time measuring unit that measures the time to be referred to when operating is acquired from the predetermined server to update the time of the time measuring unit, and the power generated by the power generation can be consumed by the load.
  • the time information is transmitted by wireless communication to a control device that controls the operation of the conversion device that converts the time information.
  • FIG. 2 is a block diagram illustrating a configuration example of the power generation system 100.
  • FIG. 2 shows the router R1, the terminal device T1, the system power network N1, and the server S1 together with the power generation system 100.
  • the router R1 is a device for connecting networks, and constitutes a local area network in the house and connects the local area network and a network NW (for example, the Internet) outside the house.
  • NW for example, the Internet
  • various load devices that consume power such as an air conditioner (a so-called air conditioner, an air cleaner, etc.), a television, and a cooking appliance may be connected to the local area network in the house.
  • an air conditioner a so-called air conditioner, an air cleaner, etc.
  • a television a cooking appliance
  • a cooking appliance may be connected to the local area network in the house.
  • a data transmitter that transmits a detection value of power or current supplied to the device or sensing information such as room temperature may be connected. In this case, the power consumption of the home device can be presented to the user.
  • the terminal device T1 is a device having a communication function and an information output function.
  • the user of the power generation system 100 can check the power generation status and the like of the power generation system 100 using the terminal device T1.
  • the terminal device T1 may be a portable terminal device such as a smartphone or a tablet terminal, or may be a stationary terminal device such as a personal computer.
  • the grid power network N1 is a power network that supplies power to power consumption facilities, and is provided by an electric power company or the like. This power supply is charged (purchasing power). It is also possible to supply the power generated by the power generation system 100 to the grid power network N1 (reverse power flow) and have the power company purchase the power (power sale).
  • the server S1 provides time information used for time adjustment of a timer unit (details will be described later) that are referred to when the control device 50 and the external cooperation device 60 operate.
  • the server S1 may be, for example, an NTP (Network Time Protocol) server provided by an electric power company that operates and manages the system power network N1.
  • the external cooperation device 60 can acquire time information by accessing the server S1 via the router R1 and the outside network NW.
  • the external cooperation device 60 also accesses servers other than the server S1.
  • the external cooperation device 60 accesses a schedule server provided by an electric power company that operates and manages the grid power network N1, and acquires schedule information (details will be described later).
  • the external cooperation device 60 can acquire time information by accessing an NTP server other than the server S1 during a period in which time information cannot be acquired from the server S1.
  • the external cooperation device 60 may transmit and manage the power information acquired from the control device 50 to the information management server that manages the power information of the power generation system 100. As a result, the user can access the information management server with the terminal device T1 to check the power information.
  • the power generation system 100 is a power generation system using natural energy, and more specifically, a power generation system using solar energy. Although details will be described later, the power generation system 100 includes a configuration for presenting the power generation status and the like to the user and acquiring information necessary for the operation of the power generation system 100 from the outside in addition to the configuration related to power generation. .
  • the power generation system 100 includes a solar cell module 10, a storage battery 20, a power conditioner (converter) 30, a distribution board 40, a control device 50, and an external cooperation device 60.
  • the control device 50 and the external linkage device are devices related to power generation control, and the control device 50 and the external linkage device constitute a power generation control system.
  • the solar cell module 10 is a module that converts light energy of sunlight into electric energy.
  • the storage battery 20 is a device that stores electrical energy, and stores the electrical energy generated by the solar cell module 10 or the electrical energy supplied from the grid power network N1.
  • the power conditioner 30 is a device that converts the generated power so that it can be consumed by a load. Specifically, the power conditioner 30 converts a direct current output from the solar cell module 10 into an alternating current.
  • the distribution board 40 is a distribution board that distributes the current from the power conditioner 30 or the grid power network N1 to various places in the house.
  • the power conditioner 30 and the storage battery 20 may be installed indoors. Further, although not shown, the power generation system 100 may include other power generation devices (for example, a fuel cell that generates power using fuel gas). A plurality of power conditioners 30 may be provided. In that case, the plurality of power conditioners 30 may be controlled by one control device 50, or a plurality of control devices 50 may be provided.
  • the control device 50 acquires power information related to the power generation of the power generation system 100 and controls the operation of the power conditioner 30 according to the power information. Details of this operation control will be described later.
  • Examples of the power information include information indicating the presence / absence of power sale, information indicating the generated power of the solar cell module 10, and information indicating the charging power or discharging power of the storage battery 20.
  • the presence or absence of power sale can be specified from the output value of the sensor by connecting a sensor to the power line connecting the distribution board 40 and the grid power network N1.
  • the information indicating the generated power and the charge / discharge power can be acquired via the power conditioner 30.
  • the control device 50 can also perform control such as switching between charging and discharging of the storage battery 20 via the power conditioner 30.
  • the external linkage device 60 performs information management related to the power generation system 100 and processing related to communication with the outside. Specifically, the external cooperation device 60 acquires the above power information from the control device 50 and accumulates it. In addition, the external cooperation device 60 may transmit the acquired power information to the information management server and allow the information management server to manage the acquired power information. In addition, the external cooperation device 60 acquires information necessary for the operation of the control device 50 from a predetermined server and transmits the information to the control device 50. Although details will be described later, the information necessary for the operation of the control device 50 includes time information for updating the time of the time measuring unit of the control device 50 and schedule information indicating a schedule of output suppression in the power generation system 100.
  • FIG. 1 is a block diagram illustrating an example of a main configuration of the control device 50 and the external cooperation device 60.
  • the external cooperation device 60 will be described later.
  • the control device 50 includes a storage unit 51 that stores various types of information handled by the control device 50, a control unit 52 that controls each unit of the control device 50, and a communication unit 53 that allows the control device 50 to communicate with the external cooperation device 60. , And a time measuring unit (second time measuring unit) 54 for measuring time.
  • the communication unit 53 only needs to be able to communicate with the external cooperation device 60 disposed in the same house as the control device 50.
  • the communication unit 53 may communicate with IEEE802.15.4, which is one of the short-range wireless networks.
  • the timekeeping unit 54 may be, for example, an RTC (real-time clock), and is preferably capable of continuing timekeeping for several days even when the power of the control device 50 is turned off.
  • the storage unit 51 stores schedule information 511.
  • the control unit 52 includes a time notification unit 521, a time update unit 522, and an output control unit 523.
  • the time notification unit 521 reads the time from the time measuring unit 54, generates time information, and transmits the time information to the external cooperation device 60. Although details will be described later, the transmitted time information may be used for updating the time of the time measuring unit 65 in the external cooperation device 60.
  • the time update unit 522 updates the time of the time measuring unit 54 using the time information received from the external cooperation device 60. More specifically, the time updating unit 522 updates the time of the time measuring unit 54 so that the time indicated by the received time information matches the time of the time measuring unit 54.
  • the output control unit 523 controls the output of the power conditioner 30 with reference to the schedule information 511.
  • the schedule information 511 is information indicating an output control schedule, and indicates an output control value for each time zone.
  • the output control unit 523 refers to the schedule information 511 and the time indicated by the time measuring unit 54, specifies the output control value, and performs output control of the power conditioner 30 so as not to exceed the output control value. In a state where the schedule information 511 is not stored, the output control unit 523 does not operate the power conditioner 30. That is, since the schedule information 511 is information necessary for operating the power conditioner 30, the storage unit 51 that stores the schedule information 511 is preferably a non-volatile storage unit.
  • the output control unit 523 may also use the schedule information 511 for purposes other than the output control that is the original purpose. For example, the output control unit 523 uses the generated power to charge the storage battery 20 during a period in which the output control value is low (a period in which power that can be sold is set to be small). Moreover, you may adjust the charge amount of the storage battery 20 by charge / discharge control of the storage battery 20 so that the electric power generated in the period with a low output control value can be utilized for charge of the storage battery 20. If the battery is fully charged during a period when the output control value is low, charging cannot be performed thereafter. For example, charging control such as charging to a specified remaining amount instead of full charging may be performed.
  • the external cooperation device 60 includes a storage unit 61 that stores various types of information handled by the external cooperation device 60 and a control unit 62 that controls each unit of the external cooperation device 60 in an integrated manner.
  • the external cooperation device 60 also measures the communication unit 63 for the external cooperation device 60 to communicate with the control device 50, the NW communication unit 64 for the external cooperation device 60 to communicate via the communication network, and the time.
  • a timer unit (first timer unit) 65 is provided.
  • the time measuring unit 65 may update the time by a clock supplied to the control unit 62, for example.
  • the control unit 62 includes an external time acquisition unit 621, an update control unit 622, an internal time acquisition unit 623, and a time update unit 624.
  • the external time acquisition unit 621 acquires time information from outside the power generation system 100. Specifically, the external time acquisition unit 621 acquires time information from the server S1 via the NW communication unit 64.
  • the timing for acquiring the time information is not particularly limited, but it is preferable to acquire the time information when the power of the external cooperation device 60 is turned on, for example. And it is preferable to acquire time information regularly after the power is turned on. Further, when the external time acquisition unit 621 acquires time information, the external time acquisition unit 621 may store the acquisition date and time in the storage unit 61 as history information.
  • the update control unit 622 updates the time of the time measuring unit 54 of the control device 50. Specifically, the update control unit 622 refers to the time measuring unit 65, generates time information indicating the time of the time measuring unit 65, and transmits the generated time information to the control device 50. The time of the time measuring unit 54 is updated.
  • the internal time acquisition unit 623 acquires time information inside the power generation system 100. Specifically, the internal time acquisition unit 623 acquires time information from the control device 50. This time information indicates the time of the time measuring unit 54 of the control device 50.
  • the time update unit 624 updates the time of the time measuring unit 65 using the time information acquired by the external time acquisition unit 621 or the internal time acquisition unit 623. Specifically, the time update unit 624 updates the time of the time measuring unit 65 so that the time indicated by the acquired time information matches the time of the time measuring unit 65.
  • FIG. 3 is a flowchart illustrating an example of processing executed by the external cooperation device 60 to update the time of the control device 50.
  • the update control unit 622 determines whether or not the time update of the control device 50 is necessary (S11).
  • the criteria for determining whether or not to update the time are not particularly limited. For example, when the external time acquisition unit 621 newly acquires time information and the time of the time measuring unit 65 is updated by the time update unit 624, the control device 50. It may be determined that the time update is necessary.
  • the update control unit 622 updates the time of the control device 50 (S12). Specifically, the update control unit 622 generates time information with reference to the time measuring unit 65, and transmits the generated time information to the control device 50. And in the control apparatus 50 which received time information, the time update part 522 updates the time of the time measuring part 54 using the received time information.
  • FIG. 4 is a flowchart illustrating an example of processing executed by the external cooperation device 60 in order to update the time of the own device.
  • the internal time acquisition unit 623 acquires the time information from the control device 50 (S22). For example, it is determined that the time information cannot be acquired from the server S1 when the external time acquisition unit 621 cannot access the server S1 for a predetermined period.
  • the time update unit 624 determines whether or not the time indicated by the time information acquired in S22 is a valid time (S23).
  • the criterion for determining whether or not the time is valid is not particularly limited. For example, it may be determined that the time is valid if the value indicating the time is equal to or greater than a predetermined value.
  • the time update unit 624 determines that the time is valid (YES in S23)
  • the time update unit 624 updates the time of the time measuring unit 65 using the time information acquired in S22 (S24). finish.
  • the process ends without updating the time of the time measuring unit 65.
  • the timing which performs the above-mentioned process is not restricted to the case where time information cannot be acquired from server S1.
  • time information may be acquired from 50 and the time of the time measuring unit 65 may be updated.
  • the time information when the time information has not been received from the server S1, or when a predetermined period has elapsed since the last reception of the time information, the time information may be acquired from the control device 50. Then, when the time difference between the time indicated by the time information and the time of the time measuring unit 65 is a predetermined time or more, the time of the time measuring unit 65 may be updated.
  • the external cooperation apparatus 60 does not start the arbitrary processes which need the reference of time at least until the time of the time measuring part 65 is updated. Accordingly, it is possible to prevent a malfunction or the like from occurring by performing a process that requires time reference under a situation where the time measurement unit 65 has low time reliability.
  • the time referred to by the control device 50 and the external cooperation device 60 is updated using the time information acquired from the server S1
  • the time information input by the user may be updated.
  • the predetermined input mode may be a mode in which a transition is made by inputting a predetermined command to the external cooperation device 60.
  • the power generation control system includes two units, that is, the control device 50 and the external cooperation device 60.
  • the control system according to the present invention may be any system that separates the communication function with the outside from the device having the control function of the power conditioner 30 and is a separate device from the device having the control function. It is not limited to the example of embodiment.
  • the external cooperation device 60 of the above-described embodiment also has a power information management function, but other devices may have this function.
  • the external cooperation device 60 may have a function as a HEMS (Home Energy Management System) controller that controls devices such as home appliances.
  • HEMS Home Energy Management System
  • a normal HEMS controller is not a component of the control system, as described in Patent Document 1 described in “Background Art”
  • information related to output control is directly acquired from a server such as an electric power company. I can't.
  • the external cooperation device 60 has a function as a HEMS controller, it is possible to perform device control using schedule information related to output control. That is, by providing the external cooperation device 60 with a device control function, it is possible to perform device control using schedule information more easily than the configuration of Patent Document 1.
  • the external cooperation device 60 may determine the amount of charge to the storage battery 20 in a time zone with relatively low electricity charges such as nighttime based on the schedule information.
  • the amount of charge is set to such an extent that the charge capacity remains empty so that the power generated during the period when the output control value is low can be used for charging the storage battery 20. This is because, when the battery is fully charged in the middle of the period during which the output control value is low, charging cannot be performed thereafter.
  • This charge amount is a predicted power generation amount during a period when the output control value is low, a surplus power prediction value during a period when the output control value is low, a predicted power consumption value until the start of a period when the output control value is low, and an output control value. It may be determined from a predicted value such as a predicted discharge amount of the storage battery 20 until the start of a low period.
  • the external linkage device 60 when the storage battery 20 is not present or when the storage battery 20 is not fully charged due to full charge, the external linkage device 60 generates power generated during a period with a low output control value, such as home appliances. May be used.
  • the external cooperation apparatus 60 may set a home appliance to be operated in advance and operate the home appliance.
  • the external cooperation device 60 may notify the user of a message that prompts the user to use the generated power.
  • control blocks in particular, the control unit 52 and the control unit 62 of the control device 50 and the external cooperation device 60 may be realized by a logic circuit (hardware) formed in an integrated circuit (IC chip) or the like, or by software It may be realized.
  • control device 50 and the external linkage device 60 include a computer that executes instructions of a program that is software for realizing each function.
  • the computer includes, for example, at least one processor (control device) and at least one computer-readable recording medium storing the program.
  • the processor reads the program from the recording medium and executes the program, thereby achieving the object of the present invention.
  • a CPU Central Processing Unit
  • the recording medium a “non-temporary tangible medium” such as a ROM (Read Only Memory), a tape, a disk, a card, a semiconductor memory, a programmable logic circuit, or the like can be used.
  • a RAM Random Access Memory
  • the program may be supplied to the computer via an arbitrary transmission medium (such as a communication network or a broadcast wave) that can transmit the program.
  • an arbitrary transmission medium such as a communication network or a broadcast wave
  • one embodiment of the present invention can also be realized in the form of a data signal embedded in a carrier wave, in which the program is embodied by electronic transmission.
  • the control system which concerns on aspect 1 of this invention is a control system of the electric power generation using natural energy, Comprising: Operation
  • the information acquired from the above is transmitted to the control device by wireless communication.
  • control device that controls the operation of the conversion device and the external cooperation device that acquires information necessary for the operation of the control device from a predetermined server are separate devices. Information is transmitted by wireless communication. Therefore, the control device can be disposed near the conversion device, and the external cooperation device can be disposed near a communication device such as a router used for communication with the server. Therefore, installation of a power generation control system using natural energy can be facilitated, and thus the control system can be improved.
  • the control system according to aspect 2 of the present invention is the apparatus according to aspect 1, wherein the external cooperation device operates with reference to a time measured by a first timekeeping unit (timer unit 65) included in the external cooperation device.
  • the time information used for time adjustment of the first timekeeping unit is acquired from the predetermined server, the time of the first timekeeping unit is updated, and the time information is wirelessly transmitted to the control device as the predetermined information.
  • the control device is transmitted by communication, and the control device is provided with the control device using the time information received by wireless communication, and is referred to when the control device operates. It is good also as a structure which updates time.
  • control device and the external cooperation device are separate devices, a control device that cannot directly acquire time information from a predetermined server may not be able to control the operation of the conversion device because the time information is not updated. is there. And in this case, there is a possibility that the disadvantage of the user such as the sale of the generated power stops. In addition, if there is a difference in the time to be referenced between the control device and the external cooperation device, there is a possibility that the operation as the control system may be hindered.
  • the external cooperation device acquires the time information, updates the time of the first timekeeping unit referred to by the own device, and transmits the time information to the control device.
  • a control apparatus updates the time of the 2nd time measuring part which an own apparatus refers to using the received time information.
  • the external cooperation apparatus which concerns on aspect 3 of this invention is an external cooperation apparatus which acquires the information used with the control system of the electric power generation using natural energy from a predetermined
  • a conversion device that acquires time information used for time adjustment of a time measuring unit that measures time from the predetermined server, updates the time of the time measuring unit, and converts the power generated by the power generation so that it can be consumed by a load.
  • the time information is transmitted by wireless communication to a control device that performs operation control.
  • the external cooperation device uses the time information input to the time of the time measuring unit. And the time information may be transmitted to the control device by wireless communication.
  • the user can update the time of the timekeeping units of both the external cooperation device and the control device by inputting time information in a predetermined input mode. This is useful for initial setting at the time of installation of the control system, for example.
  • the external cooperation apparatus which concerns on aspect 5 of this invention acquires the time information which shows the time which the time measuring part with which this control apparatus is provided from the said control apparatus in the said aspect 3 or 4, and uses the acquired said time information It is good also as a structure which updates the time of the said time measuring part with which the said external cooperation apparatus is provided.
  • the time information indicating the time measured by the time measuring unit of the control device is acquired, and the time of the time measuring unit provided in the external cooperation device is updated using the acquired time information. Therefore, according to the above configuration, the external cooperation device has its timekeeping unit under a situation where the time of the timekeeping unit included in the external cooperation device is low, such as when time information cannot be acquired from a predetermined server. It is possible to update the time to an appropriate time and operate with reference to the updated time.
  • the external cooperation apparatus which concerns on aspect 6 of this invention is the time of the said time measuring part at least, when acquiring the time information from the said control apparatus and updating the time of the said time measuring part with which the said external cooperation apparatus is provided in the said aspect 5.
  • the period until the time is updated may be configured such that any processing that requires time reference is not started.
  • the control device and the external linkage device according to each aspect of the present invention may be realized by a computer.
  • the computer is operated as each unit (software element) included in the control device / the external linkage device.
  • a control program for the control device / external cooperation device for realizing the control device / external cooperation device by a computer, and a computer-readable recording medium on which the control program is recorded also fall within the scope of the present invention.
  • Power conditioner (converter) 50 Control device 54 Timekeeping section (second timekeeping section) 60 External linkage device 65 Timekeeping section (first timekeeping section)

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The purpose of the present invention is to improve a control system for power generation in which natural energy is used. A power generation system (100), including: a control device (50) for controlling the operation of a power conditioner (30); and an external linkage device (60) for receiving electric power information pertaining to power generation from the control device (50) by wireless communication, acquiring information necessary for operation of the control device (50) from a server (S1), and transmitting the information to the control device (50) by wireless communication.

Description

制御システムおよび外部連携装置Control system and external linkage device
　本発明は、自然エネルギーを利用した発電の制御システムに関する。 The present invention relates to a power generation control system using natural energy.
　自然エネルギーを利用した発電の普及が進んでおり、これに伴って発電の制御システムの開発も進められている。特に、近年では、外部サーバ等から取得した情報を用いて発電の制御を行う必要が生じており、このため発電の制御システムには外部サーバ等との通信機能を備える必要が生じている。例えば、下記の特許文献１には、外部サーバと通信するための通信装置とＤＣ電力をＡＣ電力に変換する変換装置とを有するＰＣＳ（Power Conditioning System）と、電力管理装置（EMS:Energy Management System）とを含む電力管理システムが記載されている。 】 The generation of power generation using natural energy is progressing, and along with this, the development of a power generation control system is also underway. In particular, in recent years, it has become necessary to control power generation using information acquired from an external server or the like. For this reason, a control system for power generation needs to have a communication function with an external server or the like. For example, the following Patent Document 1 discloses a PCS (Power Conditioning System) having a communication device for communicating with an external server and a conversion device that converts DC power into AC power, and a power management device (EMS: Energy Management System). ) Is described.
日本国特許公報「特許第６０６９５９７号」（２０１７年１月６日登録）Japanese Patent Gazette “Patent No. 6069597” (Registered on January 6, 2017)
　ここで、通信装置は、ルータ等のネットワークへの接続口から外部サーバと通信するため、そのような接続口の近くに配置することが望ましい。一方、ＤＣ電力をＡＣ電力に変換する変換装置、もしくは、変換装置を制御する制御装置は、売買電力情報を取得する必要があるため、分電盤の近くに配置することが望ましい。 Here, since the communication device communicates with an external server from a connection port to a network such as a router, it is desirable to arrange the communication device near such a connection port. On the other hand, a converter that converts DC power into AC power or a control device that controls the converter needs to acquire trading power information, so it is desirable to arrange it near the distribution board.
　しかし、分電盤とネットワークへの接続口とが近くに配置されているとは限らない。このため、特許文献１の構成では、通信装置と接続口とを長い配線で接続することが必要になって、設置工事の手間や費用が嵩んだり、設置後の外観が見苦しくなったりするという問題があった。また、特許文献１の構成では、通信装置と電力管理装置がそれぞれルータと接続される必要があった。 However, the distribution board and the connection port to the network are not always located nearby. For this reason, in the structure of patent document 1, it is necessary to connect a communication apparatus and a connection port with a long wiring, and the trouble and cost of installation work increase, or the external appearance after installation becomes unsightly. There was a problem. In the configuration of Patent Document 1, the communication device and the power management device need to be connected to the router.
　このように、特許文献１の構成には改善の余地があった。本発明の一態様は、自然エネルギーを利用した発電の制御システムを改善すること等を目的とする。 Thus, there was room for improvement in the configuration of Patent Document 1. An object of one embodiment of the present invention is to improve a power generation control system using natural energy.
　上記の課題を解決するために、本発明に係る制御システムは、自然エネルギーを利用した発電の制御システムであって、上記発電により発生した電力を負荷で消費できるように変換する変換装置の動作制御を行う制御装置と、上記制御装置の動作に必要な所定の情報を所定のサーバから取得する外部連携装置とを含み、上記外部連携装置は、上記所定のサーバから取得した上記情報を上記制御装置に無線通信で送信する構成である。 In order to solve the above problems, a control system according to the present invention is a control system for power generation using natural energy, and controls the operation of a conversion device that converts the power generated by the power generation so that it can be consumed by a load. A control device that performs the above operation and an external cooperation device that obtains predetermined information necessary for the operation of the control device from a predetermined server, and the external cooperation device transmits the information obtained from the predetermined server to the control device. Is transmitted by wireless communication.
　上記の課題を解決するために、本発明に係る外部連携装置は、自然エネルギーを利用した発電の制御システムで使用する情報を所定のサーバから取得する外部連携装置であって、上記外部連携装置が動作する際に参照する時刻を計測する計時部の時刻合わせに用いる時刻情報を上記所定のサーバから取得して当該計時部の時刻を更新すると共に、上記発電により発生した電力を負荷で消費できるように変換する変換装置の動作制御を行う制御装置に、上記時刻情報を無線通信で送信する構成である。 In order to solve the above problem, an external cooperation device according to the present invention is an external cooperation device that acquires information used in a power generation control system using natural energy from a predetermined server, and the external cooperation device The time information used for time adjustment of the time measuring unit that measures the time to be referred to when operating is acquired from the predetermined server to update the time of the time measuring unit, and the power generated by the power generation can be consumed by the load. The time information is transmitted by wireless communication to a control device that controls the operation of the conversion device that converts the time information.
　本発明の一態様によれば、自然エネルギーを利用した発電の制御システムを改善することができるという効果を奏する。 According to one aspect of the present invention, it is possible to improve a power generation control system using natural energy.
本発明の一実施形態に係る発電システムに含まれる制御装置および外部連携装置の要部構成の一例を示すブロック図である。It is a block diagram which shows an example of the principal part structure of the control apparatus contained in the electric power generation system which concerns on one Embodiment of this invention, and an external cooperation apparatus. 上記発電システムの構成例を示すブロック図である。It is a block diagram which shows the structural example of the said electric power generation system. 上記外部連携装置が上記制御装置の時刻を更新させるために実行する処理の一例を示すフローチャートである。It is a flowchart which shows an example of the process which the said external cooperation apparatus performs in order to update the time of the said control apparatus. 上記外部連携装置が自装置の時刻を更新するために実行する処理の一例を示すフローチャートである。It is a flowchart which shows an example of the process which the said external cooperation apparatus performs in order to update the time of an own apparatus.
　〔システム構成〕
　本実施形態に係る発電システム１００について図２に基づいて説明する。図２は、発電システム１００の構成例を示すブロック図である。なお、図２では、発電システム１００を戸建て住宅に設置した例を示しているが、設置場所は特に限定されない。また、図２では、発電システム１００と共に、ルータＲ１、端末装置Ｔ１、系統電力網Ｎ１、およびサーバＳ１も図示している。 〔System configuration〕
A power generation system 100 according to the present embodiment will be described with reference to FIG. FIG. 2 is a block diagram illustrating a configuration example of the power generation system 100. In addition, in FIG. 2, although the example which installed the electric power generation system 100 in the detached house is shown, an installation place is not specifically limited. FIG. 2 also shows the router R1, the terminal device T1, the system power network N1, and the server S1 together with the power generation system 100.
　ルータＲ１は、ネットワーク間を接続する装置であり、宅内のローカルエリアネットワークを構成すると共に、そのローカルエリアネットワークと宅外のネットワークＮＷ（例えばインターネット）とを接続する。図示していないが、宅内のローカルエリアネットワークには、空気調和機（いわゆるエアコンや空気清浄機等）、テレビ、および調理家電等の電力を消費する各種負荷機器が接続されていてもよい。これにより、このローカルエリアネットワークを介して、各種機器の動作状態をユーザに確認させたり、各種機器の動作制御をユーザに行わせたりすることも可能になる。また、機器に供給される電力または電流の検出値、あるいは室温等のセンシング情報を送信するデータ送信機が接続されていてもよい。この場合、宅内の機器の消費電力をユーザに提示することができる。 The router R1 is a device for connecting networks, and constitutes a local area network in the house and connects the local area network and a network NW (for example, the Internet) outside the house. Although not shown, various load devices that consume power such as an air conditioner (a so-called air conditioner, an air cleaner, etc.), a television, and a cooking appliance may be connected to the local area network in the house. Thus, it is possible to allow the user to check the operation state of various devices and to control the operation of various devices via the local area network. In addition, a data transmitter that transmits a detection value of power or current supplied to the device or sensing information such as room temperature may be connected. In this case, the power consumption of the home device can be presented to the user.
　端末装置Ｔ１は、通信機能と情報出力機能とを備えた装置である。発電システム１００のユーザは、端末装置Ｔ１を用いて発電システム１００の発電状況等を確認することができる。端末装置Ｔ１は、例えばスマートフォンやタブレット端末等の携帯型の端末装置であってもよいし、パーソナルコンピュータ等の据え置き型の端末装置であってもよい。 The terminal device T1 is a device having a communication function and an information output function. The user of the power generation system 100 can check the power generation status and the like of the power generation system 100 using the terminal device T1. The terminal device T1 may be a portable terminal device such as a smartphone or a tablet terminal, or may be a stationary terminal device such as a personal computer.
　系統電力網Ｎ１は、電力消費設備に電力を供給する電力網であり、電力会社等によって提供される。この電力の供給は有償（買電）である。また、発電システム１００で発電した電力を系統電力網Ｎ１に供給（逆潮流）し、その電力を電力会社等に買い取ってもらうこと（売電）もできる。 The grid power network N1 is a power network that supplies power to power consumption facilities, and is provided by an electric power company or the like. This power supply is charged (purchasing power). It is also possible to supply the power generated by the power generation system 100 to the grid power network N1 (reverse power flow) and have the power company purchase the power (power sale).
　サーバＳ１は、制御装置５０および外部連携装置６０が動作する際に参照する計時部（詳細は後述する）の時刻合わせに用いる時刻情報を提供する。サーバＳ１は、例えば、系統電力網Ｎ１を運営・管理する電力会社等が提供するＮＴＰ（Network Time Protocol）サーバであってもよい。外部連携装置６０は、ルータＲ１および宅外のネットワークＮＷを介してサーバＳ１にアクセスすることにより、時刻情報を取得することができる。 The server S1 provides time information used for time adjustment of a timer unit (details will be described later) that are referred to when the control device 50 and the external cooperation device 60 operate. The server S1 may be, for example, an NTP (Network Time Protocol) server provided by an electric power company that operates and manages the system power network N1. The external cooperation device 60 can acquire time information by accessing the server S1 via the router R1 and the outside network NW.
　なお、図２では、１つのサーバＳ１のみを図示しているが、外部連携装置６０は、サーバＳ１以外のサーバにもアクセスする。例えば、外部連携装置６０は、系統電力網Ｎ１を運営・管理する電力会社等が提供するスケジュールサーバにアクセスして、スケジュール情報（詳細は後述する）を取得する。また、例えば、外部連携装置６０は、サーバＳ１から時刻情報を取得できない期間に、サーバＳ１以外のＮＴＰサーバにアクセスして時刻情報を取得することもできる。さらに、例えば、外部連携装置６０は、発電システム１００の電力情報を管理する情報管理サーバに、制御装置５０から取得した電力情報を送信し、管理させてもよい。これにより、ユーザに端末装置Ｔ１で情報管理サーバにアクセスさせて、電力情報を確認させることも可能になる。 In FIG. 2, only one server S1 is illustrated, but the external cooperation device 60 also accesses servers other than the server S1. For example, the external cooperation device 60 accesses a schedule server provided by an electric power company that operates and manages the grid power network N1, and acquires schedule information (details will be described later). In addition, for example, the external cooperation device 60 can acquire time information by accessing an NTP server other than the server S1 during a period in which time information cannot be acquired from the server S1. Furthermore, for example, the external cooperation device 60 may transmit and manage the power information acquired from the control device 50 to the information management server that manages the power information of the power generation system 100. As a result, the user can access the information management server with the terminal device T1 to check the power information.
　発電システム１００は、自然エネルギーを利用した発電システムであり、より詳細には太陽光エネルギーを利用した発電システムである。詳細は後述するが、発電システム１００には、発電に関する構成の他、発電状況等をユーザに提示したり、発電システム１００の動作に必要な情報を外部から取得したりするための構成も含まれる。発電システム１００は、太陽電池モジュール１０、蓄電池２０、パワーコンディショナ（変換装置）３０、分電盤４０、制御装置５０、および外部連携装置６０を含む。これらの構成要素のうち、制御装置５０および外部連携装置が発電の制御に関する装置であり、制御装置５０および外部連携装置は発電の制御システムを構成していると言える。 The power generation system 100 is a power generation system using natural energy, and more specifically, a power generation system using solar energy. Although details will be described later, the power generation system 100 includes a configuration for presenting the power generation status and the like to the user and acquiring information necessary for the operation of the power generation system 100 from the outside in addition to the configuration related to power generation. . The power generation system 100 includes a solar cell module 10, a storage battery 20, a power conditioner (converter) 30, a distribution board 40, a control device 50, and an external cooperation device 60. Among these components, it can be said that the control device 50 and the external linkage device are devices related to power generation control, and the control device 50 and the external linkage device constitute a power generation control system.
　太陽電池モジュール１０は、太陽光の光エネルギーを電気エネルギーに変換するモジュールである。蓄電池２０は、電気エネルギーを蓄える装置であり、太陽電池モジュール１０が生成した電気エネルギーまたは系統電力網Ｎ１から供給される電気エネルギーを蓄積する。パワーコンディショナ３０は、発電された電力を負荷で消費できるように変換する装置である。具体的には、パワーコンディショナ３０は、太陽電池モジュール１０が出力する直流電流の交流電流への変換等を行う。分電盤４０は、パワーコンディショナ３０または系統電力網Ｎ１からの電流を宅内の各所に分配する配電盤である。 The solar cell module 10 is a module that converts light energy of sunlight into electric energy. The storage battery 20 is a device that stores electrical energy, and stores the electrical energy generated by the solar cell module 10 or the electrical energy supplied from the grid power network N1. The power conditioner 30 is a device that converts the generated power so that it can be consumed by a load. Specifically, the power conditioner 30 converts a direct current output from the solar cell module 10 into an alternating current. The distribution board 40 is a distribution board that distributes the current from the power conditioner 30 or the grid power network N1 to various places in the house.
　なお、パワーコンディショナ３０および蓄電池２０は屋内に設置してもよい。また、図示していないが、発電システム１００には他の発電装置（例えば燃料ガスを利用して発電する燃料電池等）が含まれていてもよい。そして、パワーコンディショナ３０を複数設けてもよく、その場合、複数のパワーコンディショナ３０を１つの制御装置５０で制御してもよいし、制御装置５０を複数設けてもよい。 The power conditioner 30 and the storage battery 20 may be installed indoors. Further, although not shown, the power generation system 100 may include other power generation devices (for example, a fuel cell that generates power using fuel gas). A plurality of power conditioners 30 may be provided. In that case, the plurality of power conditioners 30 may be controlled by one control device 50, or a plurality of control devices 50 may be provided.
　制御装置５０は、発電システム１００の発電に関する電力情報を取得し、その電力情報に応じてパワーコンディショナ３０の動作制御を行う。この動作制御の詳細は後述する。上記電力情報としては、例えば売電の有無を示す情報、太陽電池モジュール１０の発電電力を示す情報、および蓄電池２０の充電電力または放電電力を示す情報等が挙げられる。売電の有無は、分電盤４０と系統電力網Ｎ１をつなぐ電力線にセンサを接続し、そのセンサの出力値から特定できる。また、発電電力および充放電電力を示す上記情報は、パワーコンディショナ３０を介して取得可能である。また、蓄電池２０は、パワーコンディショナ３０に接続されているから、制御装置５０は、パワーコンディショナ３０を介して蓄電池２０の充放電の切り替え等の制御を行うこともできる。 The control device 50 acquires power information related to the power generation of the power generation system 100 and controls the operation of the power conditioner 30 according to the power information. Details of this operation control will be described later. Examples of the power information include information indicating the presence / absence of power sale, information indicating the generated power of the solar cell module 10, and information indicating the charging power or discharging power of the storage battery 20. The presence or absence of power sale can be specified from the output value of the sensor by connecting a sensor to the power line connecting the distribution board 40 and the grid power network N1. The information indicating the generated power and the charge / discharge power can be acquired via the power conditioner 30. Further, since the storage battery 20 is connected to the power conditioner 30, the control device 50 can also perform control such as switching between charging and discharging of the storage battery 20 via the power conditioner 30.
　外部連携装置６０は、発電システム１００に関する情報管理、および外部との通信に関する処理を行う。具体的には、外部連携装置６０は、上述の電力情報を制御装置５０から取得し、蓄積する。また、外部連携装置６０は、取得した電力情報を、情報管理サーバに送信し、情報管理サーバに管理させてもよい。また、外部連携装置６０は、制御装置５０の動作に必要な情報を所定のサーバから取得し、制御装置５０に送信する。詳細は後述するが、制御装置５０の動作に必要な情報には、制御装置５０の計時部の時刻を更新させる時刻情報と、発電システム１００における出力抑制のスケジュールを示すスケジュール情報が含まれる。 The external linkage device 60 performs information management related to the power generation system 100 and processing related to communication with the outside. Specifically, the external cooperation device 60 acquires the above power information from the control device 50 and accumulates it. In addition, the external cooperation device 60 may transmit the acquired power information to the information management server and allow the information management server to manage the acquired power information. In addition, the external cooperation device 60 acquires information necessary for the operation of the control device 50 from a predetermined server and transmits the information to the control device 50. Although details will be described later, the information necessary for the operation of the control device 50 includes time information for updating the time of the time measuring unit of the control device 50 and schedule information indicating a schedule of output suppression in the power generation system 100.
　〔制御装置の構成〕
　制御装置５０の構成を図１に基づいて説明する。図１は、制御装置５０および外部連携装置６０の要部構成の一例を示すブロック図である。なお、外部連携装置６０の説明は後述する。 [Configuration of control device]
The configuration of the control device 50 will be described with reference to FIG. FIG. 1 is a block diagram illustrating an example of a main configuration of the control device 50 and the external cooperation device 60. The external cooperation device 60 will be described later.
　制御装置５０は、制御装置５０が扱う各種情報を記憶する記憶部５１、制御装置５０の各部を統括して制御する制御部５２、制御装置５０が外部連携装置６０と通信するための通信部５３、および時刻を計時する計時部（第２計時部）５４を備えている。通信部５３は制御装置５０と同じ宅内に配置された外部連携装置６０と通信できるものであればよく、例えば近距離無線ネットワークの１つであるIEEE802.15.4により通信するものであってもよい。計時部５４は、例えばＲＴＣ（real-time clock）であってもよく、制御装置５０の電源がＯＦＦされた状態でも数日程度は計時を継続できるものであることが好ましい。記憶部５１には、スケジュール情報５１１が記憶されている。制御部５２は、時刻通知部５２１、時刻更新部５２２、および出力制御部５２３を含む。 The control device 50 includes a storage unit 51 that stores various types of information handled by the control device 50, a control unit 52 that controls each unit of the control device 50, and a communication unit 53 that allows the control device 50 to communicate with the external cooperation device 60. , And a time measuring unit (second time measuring unit) 54 for measuring time. The communication unit 53 only needs to be able to communicate with the external cooperation device 60 disposed in the same house as the control device 50. For example, the communication unit 53 may communicate with IEEE802.15.4, which is one of the short-range wireless networks. The timekeeping unit 54 may be, for example, an RTC (real-time clock), and is preferably capable of continuing timekeeping for several days even when the power of the control device 50 is turned off. The storage unit 51 stores schedule information 511. The control unit 52 includes a time notification unit 521, a time update unit 522, and an output control unit 523.
　時刻通知部５２１は、計時部５４から時刻を読み出して時刻情報を生成して外部連携装置６０に送信する。詳細は後述するが、送信した時刻情報は外部連携装置６０において計時部６５の時刻更新に用いられる場合がある。 The time notification unit 521 reads the time from the time measuring unit 54, generates time information, and transmits the time information to the external cooperation device 60. Although details will be described later, the transmitted time information may be used for updating the time of the time measuring unit 65 in the external cooperation device 60.
　時刻更新部５２２は、外部連携装置６０から受信した時刻情報を用いて計時部５４の時刻を更新する。より詳細には、時刻更新部５２２は、受信した時刻情報の示す時刻と、計時部５４の時刻とが一致するように計時部５４の時刻を更新する。 The time update unit 522 updates the time of the time measuring unit 54 using the time information received from the external cooperation device 60. More specifically, the time updating unit 522 updates the time of the time measuring unit 54 so that the time indicated by the received time information matches the time of the time measuring unit 54.
　出力制御部５２３は、スケジュール情報５１１を参照して、パワーコンディショナ３０の出力を制御する。スケジュール情報５１１は、出力制御のスケジュールを示す情報であり、時間帯ごとの出力制御値を示す。出力制御部５２３は、スケジュール情報５１１と計時部５４の示す時刻とを参照して、出力制御値を特定し、その出力制御値を超えないようにパワーコンディショナ３０の出力制御を行う。スケジュール情報５１１が記憶されていない状態では、出力制御部５２３は、パワーコンディショナ３０を動作させない。つまり、スケジュール情報５１１は、パワーコンディショナ３０を動作させるために必要な情報であるから、スケジュール情報５１１を記憶する記憶部５１は不揮発の記憶部とすることが望ましい。 The output control unit 523 controls the output of the power conditioner 30 with reference to the schedule information 511. The schedule information 511 is information indicating an output control schedule, and indicates an output control value for each time zone. The output control unit 523 refers to the schedule information 511 and the time indicated by the time measuring unit 54, specifies the output control value, and performs output control of the power conditioner 30 so as not to exceed the output control value. In a state where the schedule information 511 is not stored, the output control unit 523 does not operate the power conditioner 30. That is, since the schedule information 511 is information necessary for operating the power conditioner 30, the storage unit 51 that stores the schedule information 511 is preferably a non-volatile storage unit.
　なお、出力制御部５２３は、スケジュール情報５１１をその本来の目的である出力制御以外の用途にも流用してもよい。例えば、出力制御部５２３は、出力制御値の低い期間（売電可能な電力が小さく設定されている期間）には、発電した電力を蓄電池２０の充電に利用する。また、出力制御値の低い期間に発電した電力を蓄電池２０の充電に利用できるように、蓄電池２０の充放電制御により、蓄電池２０充電量を調整してもよい。出力制御値の低い期間中に満充電になると、以後、充電できなくなるので、例えば、満充電ではなく指定された残量まで充電するような充電制御等を行ってもよい。 Note that the output control unit 523 may also use the schedule information 511 for purposes other than the output control that is the original purpose. For example, the output control unit 523 uses the generated power to charge the storage battery 20 during a period in which the output control value is low (a period in which power that can be sold is set to be small). Moreover, you may adjust the charge amount of the storage battery 20 by charge / discharge control of the storage battery 20 so that the electric power generated in the period with a low output control value can be utilized for charge of the storage battery 20. If the battery is fully charged during a period when the output control value is low, charging cannot be performed thereafter. For example, charging control such as charging to a specified remaining amount instead of full charging may be performed.
　〔外部連携装置の構成〕
　外部連携装置６０の構成を同じく図１に基づいて説明する。外部連携装置６０は、外部連携装置６０が扱う各種情報を記憶する記憶部６１、および外部連携装置６０の各部を統括して制御する制御部６２を備えている。また、外部連携装置６０は、外部連携装置６０が制御装置５０と通信するための通信部６３、外部連携装置６０が通信ネットワークを介した通信を行うためのＮＷ通信部６４、および時刻を計時する計時部（第１計時部）６５を備えている。計時部６５は、例えば、制御部６２に供給されるクロックにより時刻を更新するようなものでよい。制御部６２には外部時刻取得部６２１、更新制御部６２２、内部時刻取得部６２３、および時刻更新部６２４が含まれる。 [Configuration of external linkage device]
The configuration of the external cooperation device 60 will be described with reference to FIG. The external cooperation device 60 includes a storage unit 61 that stores various types of information handled by the external cooperation device 60 and a control unit 62 that controls each unit of the external cooperation device 60 in an integrated manner. The external cooperation device 60 also measures the communication unit 63 for the external cooperation device 60 to communicate with the control device 50, the NW communication unit 64 for the external cooperation device 60 to communicate via the communication network, and the time. A timer unit (first timer unit) 65 is provided. The time measuring unit 65 may update the time by a clock supplied to the control unit 62, for example. The control unit 62 includes an external time acquisition unit 621, an update control unit 622, an internal time acquisition unit 623, and a time update unit 624.
　外部時刻取得部６２１は、発電システム１００の外部から時刻情報を取得する。具体的には、外部時刻取得部６２１は、ＮＷ通信部６４を介してサーバＳ１から時刻情報を取得する。時刻情報を取得するタイミングは特に限定されないが、例えば外部連携装置６０の電源がＯＮされたときには時刻情報を取得することが好ましい。そして、電源ＯＮされた後は、定期的に時刻情報を取得することが好ましい。また、外部時刻取得部６２１は、時刻情報を取得した際に、その取得日時等を履歴情報として記憶部６１に記憶させておいてもよい。 The external time acquisition unit 621 acquires time information from outside the power generation system 100. Specifically, the external time acquisition unit 621 acquires time information from the server S1 via the NW communication unit 64. The timing for acquiring the time information is not particularly limited, but it is preferable to acquire the time information when the power of the external cooperation device 60 is turned on, for example. And it is preferable to acquire time information regularly after the power is turned on. Further, when the external time acquisition unit 621 acquires time information, the external time acquisition unit 621 may store the acquisition date and time in the storage unit 61 as history information.
　更新制御部６２２は、制御装置５０の計時部５４の時刻を更新させる。具体的には、更新制御部６２２は、計時部６５を参照して、計時部６５の時刻を示す時刻情報を生成し、生成した時刻情報を制御装置５０に送信することにより、制御装置５０の計時部５４の時刻を更新させる。 The update control unit 622 updates the time of the time measuring unit 54 of the control device 50. Specifically, the update control unit 622 refers to the time measuring unit 65, generates time information indicating the time of the time measuring unit 65, and transmits the generated time information to the control device 50. The time of the time measuring unit 54 is updated.
　内部時刻取得部６２３は、発電システム１００の内部で時刻情報を取得する。具体的には、内部時刻取得部６２３は、制御装置５０から時刻情報を取得する。この時刻情報は、制御装置５０の計時部５４の時刻を示すものである。 The internal time acquisition unit 623 acquires time information inside the power generation system 100. Specifically, the internal time acquisition unit 623 acquires time information from the control device 50. This time information indicates the time of the time measuring unit 54 of the control device 50.
　時刻更新部６２４は、外部時刻取得部６２１または内部時刻取得部６２３が取得した時刻情報を用いて計時部６５の時刻を更新する。具体的には、時刻更新部６２４は、取得した時刻情報の示す時刻と、計時部６５の時刻とが一致するように計時部６５の時刻を更新する。 The time update unit 624 updates the time of the time measuring unit 65 using the time information acquired by the external time acquisition unit 621 or the internal time acquisition unit 623. Specifically, the time update unit 624 updates the time of the time measuring unit 65 so that the time indicated by the acquired time information matches the time of the time measuring unit 65.
　〔処理の流れ（制御装置の時刻更新）〕
　外部連携装置６０が制御装置５０に時刻を更新させる処理について図３に基づいて説明する。図３は、外部連携装置６０が制御装置５０の時刻を更新させるために実行する処理の一例を示すフローチャートである。 [Processing flow (control device time update)]
Processing in which the external cooperation device 60 causes the control device 50 to update the time will be described with reference to FIG. FIG. 3 is a flowchart illustrating an example of processing executed by the external cooperation device 60 to update the time of the control device 50.
　更新制御部６２２は、制御装置５０の時刻更新が必要であるか否かを判定する（Ｓ１１）。時刻更新の要否の判定基準は特に限定されないが、例えば、外部時刻取得部６２１が新たに時刻情報を取得して、計時部６５の時刻が時刻更新部６２４によって更新されたときに制御装置５０の時刻更新が必要であると判定してもよい。 The update control unit 622 determines whether or not the time update of the control device 50 is necessary (S11). The criteria for determining whether or not to update the time are not particularly limited. For example, when the external time acquisition unit 621 newly acquires time information and the time of the time measuring unit 65 is updated by the time update unit 624, the control device 50. It may be determined that the time update is necessary.
　Ｓ１１で時刻更新が必要であると判定した場合（Ｓ１１でＹＥＳ）、更新制御部６２２は、制御装置５０の時刻を更新させる（Ｓ１２）。具体的には、更新制御部６２２は、計時部６５を参照して時刻情報を生成し、生成した時刻情報を制御装置５０に送信する。そして、時刻情報を受信した制御装置５０では、時刻更新部５２２が、受信した時刻情報を用いて計時部５４の時刻を更新する。 If it is determined in S11 that the time update is necessary (YES in S11), the update control unit 622 updates the time of the control device 50 (S12). Specifically, the update control unit 622 generates time information with reference to the time measuring unit 65, and transmits the generated time information to the control device 50. And in the control apparatus 50 which received time information, the time update part 522 updates the time of the time measuring part 54 using the received time information.
　〔処理の流れ（外部連携装置の時刻更新）〕
　外部連携装置６０が自装置の時刻を更新する処理について図４に基づいて説明する。図４は、外部連携装置６０が自装置の時刻を更新するために実行する処理の一例を示すフローチャートである。 [Flow of processing (time update of external linkage device)]
A process in which the external cooperation device 60 updates the time of its own device will be described with reference to FIG. FIG. 4 is a flowchart illustrating an example of processing executed by the external cooperation device 60 in order to update the time of the own device.
　外部時刻取得部６２１がサーバＳ１から時刻情報を取得することができないと判定すると（Ｓ２１）、内部時刻取得部６２３は、制御装置５０から時刻情報を取得する（Ｓ２２）。例えば、外部時刻取得部６２１がサーバＳ１に所定の期間アクセスできない場合等にサーバＳ１から時刻情報を取得することができないと判定する。 If the external time acquisition unit 621 determines that the time information cannot be acquired from the server S1 (S21), the internal time acquisition unit 623 acquires the time information from the control device 50 (S22). For example, it is determined that the time information cannot be acquired from the server S1 when the external time acquisition unit 621 cannot access the server S1 for a predetermined period.
　そして、時刻更新部６２４は、Ｓ２２で取得された時刻情報の示す時刻が有効な時刻であるか否かを判定する（Ｓ２３）。有効な時刻であるか否かの判定基準は特に限定されない。例えば、時刻を示す値が所定の値以上であれば有効な時刻であると判定してもよい。 Then, the time update unit 624 determines whether or not the time indicated by the time information acquired in S22 is a valid time (S23). The criterion for determining whether or not the time is valid is not particularly limited. For example, it may be determined that the time is valid if the value indicating the time is equal to or greater than a predetermined value.
　ここで、時刻更新部６２４は、有効な時刻であると判定した場合（Ｓ２３でＹＥＳ）には、Ｓ２２で取得された時刻情報を用いて計時部６５の時刻を更新し（Ｓ２４）、処理を終了する。一方、有効な時刻ではないと判定した場合（Ｓ２３でＮＯ）、計時部６５の時刻を更新することなく処理を終了する。 If the time update unit 624 determines that the time is valid (YES in S23), the time update unit 624 updates the time of the time measuring unit 65 using the time information acquired in S22 (S24). finish. On the other hand, if it is determined that the time is not valid (NO in S23), the process ends without updating the time of the time measuring unit 65.
　なお、上述の処理を実行するタイミングは、サーバＳ１から時刻情報を取得することができない場合に限られない。例えば、サーバＳ１から時刻情報を受信したことがない場合、最後に時刻情報を受信した後、所定期間以上経過している場合、または計時部６５の時刻が無効な時刻である場合等に制御装置５０から時刻情報を取得し、計時部６５の時刻を更新してもよい。 In addition, the timing which performs the above-mentioned process is not restricted to the case where time information cannot be acquired from server S1. For example, when the time information has not been received from the server S1, when a predetermined period has elapsed since the last time information was received, or when the time of the time measuring unit 65 is invalid, etc. The time information may be acquired from 50 and the time of the time measuring unit 65 may be updated.
　また、例えば、サーバＳ１から時刻情報を受信したことがない場合、または、最後に時刻情報を受信した後、所定期間経過している場合に、制御装置５０から時刻情報を取得してもよい。そして、その時刻情報の示す時刻と、計時部６５の時刻とのズレが所定時間以上である場合に、計時部６５の時刻を更新してもよい。 Further, for example, when the time information has not been received from the server S1, or when a predetermined period has elapsed since the last reception of the time information, the time information may be acquired from the control device 50. Then, when the time difference between the time indicated by the time information and the time of the time measuring unit 65 is a predetermined time or more, the time of the time measuring unit 65 may be updated.
　なお、図４の処理を行う場合、外部連携装置６０は、少なくとも計時部６５の時刻が更新されるまでの期間は、時刻の参照が必要な任意の処理を開始しないことが好ましい。これにより、計時部６５の時刻の信頼性の低い状況下で、時刻の参照が必要な処理を行うことによって、不具合等が生じることを防ぐことができる。 In addition, when performing the process of FIG. 4, it is preferable that the external cooperation apparatus 60 does not start the arbitrary processes which need the reference of time at least until the time of the time measuring part 65 is updated. Accordingly, it is possible to prevent a malfunction or the like from occurring by performing a process that requires time reference under a situation where the time measurement unit 65 has low time reliability.
　〔変形例〕
　上記実施形態では、自然エネルギーを利用した発電の一例として太陽光発電を例示したが、本発明は、太陽光発電以外の発電にも適用可能である。例えば、風力発電や地熱発電を行う発電システム等にも本発明を適用できる。 [Modification]
In the said embodiment, although solar power generation was illustrated as an example of the power generation using natural energy, this invention is applicable also to power generation other than solar power generation. For example, the present invention can be applied to a power generation system that performs wind power generation or geothermal power generation.
　上記実施形態では、サーバＳ１から取得した時刻情報を用いて制御装置５０と外部連携装置６０が参照する時刻をそれぞれ更新する例を示したが、ユーザが入力した時刻情報を用いて更新してもよい。ただし、不正な時刻情報に基づいて制御装置５０と外部連携装置６０を動作させると、スケジュール情報に沿わない売電が行われるおそれがある。このため、所定の入力モードで外部連携装置６０に時刻情報が入力された場合に限り、ユーザが入力した時刻情報を用いて上述の更新を行うことが好ましい。所定の入力モードは、所定のコマンドを外部連携装置６０に入力することにより遷移するモードであってもよい。これにより、例えば発電システム１００の設置、修理、メンテナンス等の際に、施工業者やサービスマン等が、サーバＳ１との通信ができない状況であっても、時刻の更新を正しく行わせることができる。 In the above-described embodiment, an example in which the time referred to by the control device 50 and the external cooperation device 60 is updated using the time information acquired from the server S1 has been described, but the time information input by the user may be updated. Good. However, if the control device 50 and the external cooperation device 60 are operated based on unauthorized time information, there is a risk that power sale that does not follow the schedule information is performed. For this reason, it is preferable to perform the above-mentioned update using the time information input by the user only when the time information is input to the external cooperation device 60 in the predetermined input mode. The predetermined input mode may be a mode in which a transition is made by inputting a predetermined command to the external cooperation device 60. Thereby, for example, when the power generation system 100 is installed, repaired, maintained, etc., it is possible to correctly update the time even if the contractor or serviceman cannot communicate with the server S1.
　上記実施形態に係る発電の制御システムは、制御装置５０と外部連携装置６０の２台で構成されている。しかし、本発明に係る制御システムは、パワーコンディショナ３０の制御機能を有する装置から外部との通信機能を分離して、制御機能を有する装置と別体の装置としたシステムであればよく、上記実施形態の例に限定されない。また、上記実施形態の外部連携装置６０は、通信機能に加えて、電力情報の管理機能も有しているが、当該機能を他の装置に持たせてもよい。 The power generation control system according to the above-described embodiment includes two units, that is, the control device 50 and the external cooperation device 60. However, the control system according to the present invention may be any system that separates the communication function with the outside from the device having the control function of the power conditioner 30 and is a separate device from the device having the control function. It is not limited to the example of embodiment. In addition to the communication function, the external cooperation device 60 of the above-described embodiment also has a power information management function, but other devices may have this function.
　また、外部連携装置６０は、宅内の家電等の機器を制御するＨＥＭＳ（Home Energy Management System）コントローラとしての機能を備えていてもよい。ここで、通常のＨＥＭＳコントローラは制御システムの構成要素ではないから、「背景技術」に記載した特許文献１に記載されているように、出力制御に関する情報を直接電力会社等のサーバから取得することができない。しかし、外部連携装置６０にＨＥＭＳコントローラとしての機能を持たせた場合、出力制御に関するスケジュール情報を利用して機器制御を行うことができる。つまり、外部連携装置６０に機器制御機能を持たせることにより、特許文献１の構成と比べて、スケジュール情報を利用した機器制御をより容易に行うことが可能になる。 Further, the external cooperation device 60 may have a function as a HEMS (Home Energy Management System) controller that controls devices such as home appliances. Here, since a normal HEMS controller is not a component of the control system, as described in Patent Document 1 described in “Background Art”, information related to output control is directly acquired from a server such as an electric power company. I can't. However, when the external cooperation device 60 has a function as a HEMS controller, it is possible to perform device control using schedule information related to output control. That is, by providing the external cooperation device 60 with a device control function, it is possible to perform device control using schedule information more easily than the configuration of Patent Document 1.
　例えば、外部連携装置６０は、スケジュール情報に基づき、夜間等の比較的電気料金の安い時間帯に蓄電池２０に充電する量を決定してもよい。この充電量は、出力制御値の低い期間に発電した電力を蓄電池２０の充電に利用できるように、充電容量に空きが残る程度とする。出力制御値の低い期間の途中で満充電になると、以後、充電できなくなってしまうためである。この充電量は、出力制御値の低い期間の発電量予測値、出力制御値の低い期間の余剰電力量予測値、出力制御値の低い期間の開始までの消費電力量予測値、および出力制御値の低い期間の開始までの蓄電池２０の放電量予測値等の予測値から決定してもよい。 For example, the external cooperation device 60 may determine the amount of charge to the storage battery 20 in a time zone with relatively low electricity charges such as nighttime based on the schedule information. The amount of charge is set to such an extent that the charge capacity remains empty so that the power generated during the period when the output control value is low can be used for charging the storage battery 20. This is because, when the battery is fully charged in the middle of the period during which the output control value is low, charging cannot be performed thereafter. This charge amount is a predicted power generation amount during a period when the output control value is low, a surplus power prediction value during a period when the output control value is low, a predicted power consumption value until the start of a period when the output control value is low, and an output control value. It may be determined from a predicted value such as a predicted discharge amount of the storage battery 20 until the start of a low period.
　また、蓄電池２０がない場合、または、蓄電池２０が満充電になるなどして充電できない場合には、外部連携装置６０は、出力制御値の低い期間に発電した電力を、宅内の家電等の機器に利用させてもよい。例えば、外部連携装置６０は、予め動作させる家電を設定しておいて、該家電を動作させてもよい。または、外部連携装置６０は、発電した電力を使用することを促すメッセージをユーザに通知してもよい。 In addition, when the storage battery 20 is not present or when the storage battery 20 is not fully charged due to full charge, the external linkage device 60 generates power generated during a period with a low output control value, such as home appliances. May be used. For example, the external cooperation apparatus 60 may set a home appliance to be operated in advance and operate the home appliance. Alternatively, the external cooperation device 60 may notify the user of a message that prompts the user to use the generated power.
　〔ソフトウェアによる実現例〕
　制御装置５０および外部連携装置６０の制御ブロック（特に制御部５２および制御部６２）は、集積回路（ＩＣチップ）等に形成された論理回路（ハードウェア）によって実現してもよいし、ソフトウェアによって実現してもよい。 [Example of software implementation]
The control blocks (in particular, the control unit 52 and the control unit 62) of the control device 50 and the external cooperation device 60 may be realized by a logic circuit (hardware) formed in an integrated circuit (IC chip) or the like, or by software It may be realized.
　後者の場合、制御装置５０および外部連携装置６０は、各機能を実現するソフトウェアであるプログラムの命令を実行するコンピュータを備えている。このコンピュータは、例えば少なくとも１つのプロセッサ（制御装置）を備えていると共に、上記プログラムを記憶したコンピュータ読み取り可能な少なくとも１つの記録媒体を備えている。そして、上記コンピュータにおいて、上記プロセッサが上記プログラムを上記記録媒体から読み取って実行することにより、本発明の目的が達成される。上記プロセッサとしては、例えばＣＰＵ（Central Processing Unit）を用いることができる。上記記録媒体としては、「一時的でない有形の媒体」、例えば、ＲＯＭ（Read Only Memory）等の他、テープ、ディスク、カード、半導体メモリ、プログラマブルな論理回路等を用いることができる。また、上記プログラムを展開するＲＡＭ（Random Access Memory）等をさらに備えていてもよい。また、上記プログラムは、該プログラムを伝送可能な任意の伝送媒体（通信ネットワークや放送波等）を介して上記コンピュータに供給されてもよい。なお、本発明の一態様は、上記プログラムが電子的な伝送によって具現化された、搬送波に埋め込まれたデータ信号の形態でも実現され得る。 In the latter case, the control device 50 and the external linkage device 60 include a computer that executes instructions of a program that is software for realizing each function. The computer includes, for example, at least one processor (control device) and at least one computer-readable recording medium storing the program. In the computer, the processor reads the program from the recording medium and executes the program, thereby achieving the object of the present invention. As the processor, for example, a CPU (Central Processing Unit) can be used. As the recording medium, a “non-temporary tangible medium” such as a ROM (Read Only Memory), a tape, a disk, a card, a semiconductor memory, a programmable logic circuit, or the like can be used. Further, a RAM (Random Access Memory) for expanding the program may be further provided. The program may be supplied to the computer via an arbitrary transmission medium (such as a communication network or a broadcast wave) that can transmit the program. Note that one embodiment of the present invention can also be realized in the form of a data signal embedded in a carrier wave, in which the program is embodied by electronic transmission.
　〔まとめ〕
　本発明の態様１に係る制御システムは、自然エネルギーを利用した発電の制御システムであって、上記発電により発生した電力を負荷で消費できるように変換する変換装置（パワーコンディショナ３０）の動作制御を行う制御装置（５０）と、上記制御装置の動作に必要な所定の情報を所定のサーバ（Ｓ１）から取得する外部連携装置（６０）とを含み、上記外部連携装置は、上記所定のサーバから取得した上記情報を上記制御装置に無線通信で送信する構成である。 [Summary]
The control system which concerns on aspect 1 of this invention is a control system of the electric power generation using natural energy, Comprising: Operation | movement control of the converter (power conditioner 30) which converts so that the electric power generated by the said electric power generation can be consumed with load A control device (50) that performs the above operation and an external cooperation device (60) that acquires predetermined information necessary for the operation of the control device from a predetermined server (S1). The information acquired from the above is transmitted to the control device by wireless communication.
　上記制御システムでは、変換装置の動作制御を行う制御装置と、その制御装置の動作に必要な情報を所定のサーバから取得する外部連携装置とが、別体の装置となっており、また、上記情報は無線通信で送信される構成となっている。よって、制御装置は変換装置の近くに配置し、外部連携装置はサーバとの通信に用いるルータ等の通信機器の近くに配置することができる。したがって、自然エネルギーを利用した発電の制御システムの設置を容易にすることができ、これにより当該制御システムを改善することができる。 In the control system, the control device that controls the operation of the conversion device and the external cooperation device that acquires information necessary for the operation of the control device from a predetermined server are separate devices. Information is transmitted by wireless communication. Therefore, the control device can be disposed near the conversion device, and the external cooperation device can be disposed near a communication device such as a router used for communication with the server. Therefore, installation of a power generation control system using natural energy can be facilitated, and thus the control system can be improved.
　本発明の態様２に係る制御システムは、上記態様１において、上記外部連携装置は、当該外部連携装置が備える第１計時部（計時部６５）の計測する時刻を参照して動作する装置であって、当該第１計時部の時刻合わせに用いる時刻情報を上記所定のサーバから取得して、当該第１計時部の時刻を更新すると共に、上記時刻情報を上記所定の情報として上記制御装置に無線通信で送信し、上記制御装置は、無線通信で受信した上記時刻情報を用いて、当該制御装置が備えており、当該制御装置が動作する際に参照する第２計時部（計時部５４）の時刻を更新する構成としてもよい。 The control system according to aspect 2 of the present invention is the apparatus according to aspect 1, wherein the external cooperation device operates with reference to a time measured by a first timekeeping unit (timer unit 65) included in the external cooperation device. The time information used for time adjustment of the first timekeeping unit is acquired from the predetermined server, the time of the first timekeeping unit is updated, and the time information is wirelessly transmitted to the control device as the predetermined information. The control device is transmitted by communication, and the control device is provided with the control device using the time information received by wireless communication, and is referred to when the control device operates. It is good also as a structure which updates time.
　制御装置と外部連携装置とを別体の装置とした場合、時刻情報を所定のサーバから直接取得できない制御装置は、時刻情報が更新されないために変換装置の動作制御を行うことができなくなるおそれがある。そして、この場合、発電した電力の売電が停止してしまう等のユーザの不利益が生じるおそれがある。また、制御装置と外部連携装置とで参照する時刻に差異が生じてしまうと、制御システムとしての動作にも支障をきたすおそれがある。 When the control device and the external cooperation device are separate devices, a control device that cannot directly acquire time information from a predetermined server may not be able to control the operation of the conversion device because the time information is not updated. is there. And in this case, there is a possibility that the disadvantage of the user such as the sale of the generated power stops. In addition, if there is a difference in the time to be referenced between the control device and the external cooperation device, there is a possibility that the operation as the control system may be hindered.
　そこで、上記の構成によれば、外部連携装置は、時刻情報を取得して自装置が参照する第１計時部の時刻を更新すると共に、その時刻情報を制御装置に送信する。そして、制御装置は、受信した時刻情報を用いて自装置が参照する第２計時部の時刻を更新する。これにより、制御装置が参照する第２計時部の時刻が更新されるので、変換装置の動作制御が行われない等の問題が生じることを防ぐことができる。また、制御装置と外部連携装置とで参照する時刻を一致または略一致させることができる。 Therefore, according to the above configuration, the external cooperation device acquires the time information, updates the time of the first timekeeping unit referred to by the own device, and transmits the time information to the control device. And a control apparatus updates the time of the 2nd time measuring part which an own apparatus refers to using the received time information. Thereby, since the time of the 2nd time-measurement part which a control apparatus refers is updated, it can prevent that problems, such as operation control of a conversion apparatus not occurring, arise. Moreover, the time referred by a control apparatus and an external cooperation apparatus can be corresponded or substantially matched.
　本発明の態様３に係る外部連携装置は、自然エネルギーを利用した発電の制御システムで使用する情報を所定のサーバから取得する外部連携装置であって、上記外部連携装置が動作する際に参照する時刻を計測する計時部の時刻合わせに用いる時刻情報を上記所定のサーバから取得して当該計時部の時刻を更新すると共に、上記発電により発生した電力を負荷で消費できるように変換する変換装置の動作制御を行う制御装置に、上記時刻情報を無線通信で送信する構成である。 The external cooperation apparatus which concerns on aspect 3 of this invention is an external cooperation apparatus which acquires the information used with the control system of the electric power generation using natural energy from a predetermined | prescribed server, Comprising: It refers when the said external cooperation apparatus operate | moves. A conversion device that acquires time information used for time adjustment of a time measuring unit that measures time from the predetermined server, updates the time of the time measuring unit, and converts the power generated by the power generation so that it can be consumed by a load. The time information is transmitted by wireless communication to a control device that performs operation control.
　上記の構成によれば、上記態様２と同様に、変換装置の動作制御が行われない等の問題が生じることを防ぐことができる。また、制御装置と外部連携装置とで参照する時刻を一致または略一致させることができる。そして、これにより発電の制御システムを改善することができる。 According to the above configuration, it is possible to prevent the occurrence of problems such as the operation control of the conversion device not being performed, as in the above aspect 2. Moreover, the time referred by a control apparatus and an external cooperation apparatus can be corresponded or substantially matched. As a result, the power generation control system can be improved.
　本発明の態様４に係る外部連携装置は、上記態様３において、所定の入力モードで上記外部連携装置に時刻情報が入力された場合に、入力された当該時刻情報を用いて上記計時部の時刻を更新すると共に、当該時刻情報を上記制御装置に無線通信で送信してもよい。 When the time information is input to the external cooperation device in the predetermined input mode in the above-described aspect 3, the external cooperation device according to aspect 4 of the present invention uses the time information input to the time of the time measuring unit. And the time information may be transmitted to the control device by wireless communication.
　上記の構成によれば、ユーザは、所定の入力モードで時刻情報を入力することにより、外部連携装置と制御装置の双方の計時部の時刻を更新させることができる。これは、例えば制御システムの設置時の初期設定等に有用である。 According to the above configuration, the user can update the time of the timekeeping units of both the external cooperation device and the control device by inputting time information in a predetermined input mode. This is useful for initial setting at the time of installation of the control system, for example.
　本発明の態様５に係る外部連携装置は、上記態様３または４において、上記制御装置から該制御装置が備える計時部が計測する時刻を示す時刻情報を取得し、取得した当該時刻情報を用いて上記外部連携装置が備える上記計時部の時刻を更新する構成としてもよい。 The external cooperation apparatus which concerns on aspect 5 of this invention acquires the time information which shows the time which the time measuring part with which this control apparatus is provided from the said control apparatus in the said aspect 3 or 4, and uses the acquired said time information It is good also as a structure which updates the time of the said time measuring part with which the said external cooperation apparatus is provided.
　上記の構成によれば、制御装置の計時部が計測する時刻を示す時刻情報を取得し、取得した当該時刻情報を用いて外部連携装置が備える計時部の時刻を更新する。よって、上記の構成によれば、外部連携装置は、例えば所定のサーバから時刻情報が取得できない場合のような、外部連携装置が備える計時部の時刻の信頼性が低い状況下において、その計時部の時刻を適切な時刻に更新し、更新後の時刻を参照して動作することが可能になる。 According to the above configuration, the time information indicating the time measured by the time measuring unit of the control device is acquired, and the time of the time measuring unit provided in the external cooperation device is updated using the acquired time information. Therefore, according to the above configuration, the external cooperation device has its timekeeping unit under a situation where the time of the timekeeping unit included in the external cooperation device is low, such as when time information cannot be acquired from a predetermined server. It is possible to update the time to an appropriate time and operate with reference to the updated time.
　本発明の態様６に係る外部連携装置は、上記態様５において、上記制御装置から時刻情報を取得して上記外部連携装置が備える上記計時部の時刻を更新する場合に、少なくとも当該計時部の時刻が更新されるまでの期間は、時刻の参照が必要な任意の処理を開始しない構成としてもよい。 The external cooperation apparatus which concerns on aspect 6 of this invention is the time of the said time measuring part at least, when acquiring the time information from the said control apparatus and updating the time of the said time measuring part with which the said external cooperation apparatus is provided in the said aspect 5. The period until the time is updated may be configured such that any processing that requires time reference is not started.
　上記の構成によれば、外部連携装置が備える計時部の時刻の信頼性の低い状況下で、時刻の参照が必要な処理を行うことによって不具合等が生じることを防ぐことができる。 According to the above configuration, it is possible to prevent a problem or the like from being caused by performing processing that requires time reference in a situation where the time of the timekeeping unit provided in the external cooperation device is low in reliability.
　本発明の各態様に係る制御装置および外部連携装置は、コンピュータによって実現してもよく、この場合には、コンピュータを上記制御装置／上記外部連携装置が備える各部（ソフトウェア要素）として動作させることにより制御装置／外部連携装置をコンピュータにて実現させる制御装置／外部連携装置の制御プログラム、およびそれを記録したコンピュータ読み取り可能な記録媒体も、本発明の範疇に入る。 The control device and the external linkage device according to each aspect of the present invention may be realized by a computer. In this case, the computer is operated as each unit (software element) included in the control device / the external linkage device. A control program for the control device / external cooperation device for realizing the control device / external cooperation device by a computer, and a computer-readable recording medium on which the control program is recorded also fall within the scope of the present invention.
　本発明は上述した各実施形態に限定されるものではなく、請求項に示した範囲で種々の変更が可能であり、異なる実施形態にそれぞれ開示された技術的手段を適宜組み合わせて得られる実施形態についても本発明の技術的範囲に含まれる。さらに、各実施形態にそれぞれ開示された技術的手段を組み合わせることにより、新しい技術的特徴を形成することができる。 The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope shown in the claims, and embodiments obtained by appropriately combining technical means disclosed in different embodiments. Is also included in the technical scope of the present invention. Furthermore, a new technical feature can be formed by combining the technical means disclosed in each embodiment.
　３０　パワーコンディショナ（変換装置）
　５０　制御装置
　５４　計時部（第２計時部）
　６０　外部連携装置
　６５　計時部（第１計時部） 30 Power conditioner (converter)
50 Control device 54 Timekeeping section (second timekeeping section)
60 External linkage device 65 Timekeeping section (first timekeeping section)

Claims (6)

  1. 　自然エネルギーを利用した発電の制御システムであって、
    　上記発電により発生した電力を負荷で消費できるように変換する変換装置の動作制御を行う制御装置と、上記制御装置の動作に必要な所定の情報を所定のサーバから取得する外部連携装置とを含み、
    　上記外部連携装置は、上記所定のサーバから取得した上記情報を上記制御装置に無線通信で送信することを特徴とする制御システム。     A control system for power generation using natural energy,
    A control device that performs operation control of a conversion device that converts the power generated by the power generation so that it can be consumed by a load; and an external cooperation device that acquires predetermined information necessary for the operation of the control device from a predetermined server ,
    The external cooperation device transmits the information acquired from the predetermined server to the control device by wireless communication.
  2. 　上記外部連携装置は、当該外部連携装置が備える第１計時部の計測する時刻を参照して動作する装置であって、当該第１計時部の時刻合わせに用いる時刻情報を上記所定のサーバから取得して、当該第１計時部の時刻を更新すると共に、上記時刻情報を上記所定の情報として上記制御装置に無線通信で送信し、
    　上記制御装置は、無線通信で受信した上記時刻情報を用いて、当該制御装置が備えており、当該制御装置が動作する際に参照する第２計時部の時刻を更新することを特徴とする請求項１に記載の制御システム。     The external cooperation device is a device that operates with reference to the time measured by the first timekeeping unit included in the external cooperation device, and acquires time information used for time adjustment of the first timekeeping unit from the predetermined server. And while updating the time of the said 1st time measuring part, the said time information is transmitted to the said control apparatus as said predetermined information by radio | wireless communication,
    The said control apparatus is equipped with the said time information using the said time information received by radio | wireless communication, The time of the 2nd time measuring part referred when the said control apparatus operate | moves is characterized by the above-mentioned. Item 2. The control system according to Item 1.
  3. 　自然エネルギーを利用した発電の制御システムで使用する情報を所定のサーバから取得する外部連携装置であって、
    　上記外部連携装置が動作する際に参照する時刻を計測する計時部の時刻合わせに用いる時刻情報を上記所定のサーバから取得して当該計時部の時刻を更新すると共に、
    　上記発電により発生した電力を負荷で消費できるように変換する変換装置の動作制御を行う制御装置に、上記時刻情報を無線通信で送信することを特徴とする外部連携装置。     An external linkage device that acquires information used in a power generation control system using natural energy from a predetermined server,
    While acquiring the time information used for the time adjustment of the time measuring unit that measures the time to be referred to when the external cooperation device operates from the predetermined server and updating the time of the time measuring unit,
    An external cooperation device, wherein the time information is transmitted by wireless communication to a control device that performs operation control of a conversion device that converts power generated by the power generation so that it can be consumed by a load.
  4. 　所定の入力モードで上記外部連携装置に時刻情報が入力された場合に、入力された当該時刻情報を用いて上記計時部の時刻を更新すると共に、当該時刻情報を上記制御装置に無線通信で送信することを特徴とする請求項３に記載の外部連携装置。 When time information is input to the external cooperation device in a predetermined input mode, the time of the timekeeping unit is updated using the input time information, and the time information is transmitted to the control device by wireless communication. The external cooperation apparatus according to claim 3, wherein:
  5. 　上記制御装置から該制御装置が備える計時部が計測する時刻を示す時刻情報を取得し、取得した当該時刻情報を用いて上記外部連携装置が備える上記計時部の時刻を更新することを特徴とする請求項３または４に記載の外部連携装置。 Time information indicating a time measured by the time measuring unit included in the control device is acquired from the control device, and the time of the time measuring unit included in the external cooperation device is updated using the acquired time information. The external cooperation apparatus of Claim 3 or 4.
  6. 　上記制御装置から時刻情報を取得して上記外部連携装置が備える上記計時部の時刻を更新する場合に、少なくとも当該計時部の時刻が更新されるまでの期間は、時刻の参照が必要な任意の処理を開始しないことを特徴とする請求項５に記載の外部連携装置。 When the time information is acquired from the control device and the time of the timekeeping unit provided in the external cooperation device is updated, at least the period until the time of the timekeeping unit is updated is an arbitrary time reference is required. 6. The external cooperation apparatus according to claim 5, wherein the process is not started.
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