WO2014141499A1 - 電力制御装置、電力制御方法、プログラム、および電力制御システム - Google Patents

電力制御装置、電力制御方法、プログラム、および電力制御システム Download PDF

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Publication number
WO2014141499A1
WO2014141499A1 PCT/JP2013/072003 JP2013072003W WO2014141499A1 WO 2014141499 A1 WO2014141499 A1 WO 2014141499A1 JP 2013072003 W JP2013072003 W JP 2013072003W WO 2014141499 A1 WO2014141499 A1 WO 2014141499A1
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Prior art keywords
power
power control
target
amount
transmission
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PCT/JP2013/072003
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English (en)
French (fr)
Japanese (ja)
Inventor
好正 杉立
幹彦 和田
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オムロン株式会社
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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
    • H02J3/28—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
    • H02J3/003—Load forecast, e.g. methods or systems for forecasting future load 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
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/004—Generation forecast, e.g. methods or systems for forecasting future energy generation
    • 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
    • H02J3/381—Dispersed generators
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply
    • 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
    • H02J13/00006—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 characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00016—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 characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • 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
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • 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
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • 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
    • Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
    • 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
    • Y04S10/14—Energy storage units
    • 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
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • 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
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/221—General power management systems
    • 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
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
    • 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
    • Y04S40/124—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 wired telecommunication networks or data transmission busses

Definitions

  • the present disclosure relates to a power control apparatus, a power control method, a program, and a power control system, and in particular, a power control apparatus and a power control method that can execute power control more flexibly corresponding to a user's request. , Program, and power control system.
  • a plurality of power control modes such as a power control mode that prioritizes comfort, a power control mode that prioritizes energy saving, and a power control mode that prioritizes cost saving are implemented. Yes. Then, power control in the energy management system is performed according to one power control mode selected by the user from among the plurality of power control modes.
  • Patent Document 1 discloses a power distribution system in which a power control mode is set for each device such as an air conditioner and a lighting device, and power control according to a plurality of power control modes can be performed with one operation program. It is disclosed.
  • the present disclosure has been made in view of such a situation, and makes it possible to execute power control more flexibly corresponding to a user's request.
  • the power control device includes a setting unit that sets a ratio for a plurality of power control modes, and a power that is a target in each of the plurality of power control modes, and that is actually a power according to the ratio from a transmission / reception power amount that varies depending on a day
  • a target calculation unit that calculates a target transmission / reception power amount that is a target for executing the control; and a power control processing unit that performs power control along the target transmission / reception power amount.
  • a power control method or program sets a ratio for a plurality of power control modes, and actually controls power according to the ratio from transmission / reception power amounts that are targets in each of the plurality of power control modes and differ depending on the day.
  • a power control system sets a ratio to a plurality of power control modes in a power control system to which a power generation unit that generates power using renewable energy and a load that consumes power are connected.
  • a target calculation unit that calculates a target transmission / reception power amount that is a target for actually executing power control according to the ratio from a setting unit and a transmission / reception power amount that is a target in each of the plurality of power control modes and varies depending on the day;
  • a power control processing unit that performs power control according to the target transmission / reception power amount.
  • a ratio for a plurality of power control modes is set, and power control is actually executed according to the set ratio from transmission / reception power amounts that are targets in each of the plurality of power control modes and differ depending on the day.
  • the target transmission / reception power amount that is the target of is calculated, and power control is performed along the target transmission / reception power amount.
  • FIG. 18 is a block diagram illustrating a configuration example of an embodiment of a computer to which the present technology is applied.
  • FIG. 1 is a block diagram illustrating a configuration example of an embodiment of a power control system to which the present technology is applied.
  • an electric power system 12 a photovoltaic power generation module 13, and a load 14 are connected to the power control system 11, and an upper EMS (Energy Management System) 16 and an EMS database are connected via a network 15. 17 is communicable.
  • EMS Electronicgy Management System
  • the power control system 11 can receive power supply from the power system 12 that supplies commercial power and the solar power generation module 13 that receives sunlight to generate power.
  • power is supplied to the load 14 made up of equipment that consumes AC power or DC power, or the power generated by the solar power generation module 13 is reversed to the power system 12 according to the power demand.
  • Power control is performed such as tidal currents.
  • power control according to an instruction from the host EMS 16 that can perform upper power control on the plurality of power control systems 11, the past generated power amount, demand power amount, etc. Power control is performed based on the accumulated data acquired from the EMS database 17 storing the accumulated data in which results are accumulated.
  • the power control system 11 includes power measuring units 21-1 to 21-4, a power conditioner 22, a storage battery system 23, an operation terminal 24, and an EMS controller 25.
  • the power measuring units 21-1 to 21-4 measure the power supplied via the power lines arranged respectively.
  • the power measurement unit 21-1 measures transmission / reception power that is power transmitted to and received from the power system 12, and the power measurement unit 21-2 generates power from the solar power generation module 13 and outputs it.
  • the generated power which is the generated power, is measured.
  • the power measuring unit 21-3 measures the demand power that is the power supplied to the load 14, and the power measuring unit 21-4 is the power that is charged to or discharged from the storage battery system 23. A certain charge / discharge power is measured.
  • the power conditioner 22 adjusts the power output from the solar power generation module 13 so that the solar power generation module 13 can output power at a voltage that can generate power with optimal power generation efficiency.
  • the storage battery system 23 includes a storage battery that stores electric power and a control unit that controls charging / discharging of the storage battery, notifies the EMS controller 25 of the amount of charge of the storage battery, and is based on an instruction from the EMS controller 25. Controls charging and discharging of
  • the operation terminal 24 includes a touch panel display that displays a user interface that receives a user's operation input, and notifies the EMS controller 25 of the user's designation according to the operation input.
  • the EMS controller 25 performs power control of the power control system 11 on the basis of user designation input via the operation terminal 24, accumulated data stored in the EMS database 17, and the like.
  • the EMS controller 25 generates demand on the next day due to the predicted power generation amount predicted to be generated by the solar power generation module 13 on the next day and the load 14 in a predetermined time unit (for example, in units of 30 minutes). Then, the predicted demand power amount is obtained. And the EMS controller 25 calculates
  • FIG. 2A shows the predicted power generation amount
  • FIG. 2B shows the predicted demand power amount
  • FIG. 2C shows the predicted transmission / reception power amount.
  • the horizontal axis indicates the time of the next day
  • the vertical axis indicates the amount of power.
  • the EMS controller 25 extracts the generated power amounts on a plurality of similar days similar to the weather forecast and the sunshine forecast for the next day from the accumulated data of the past generated power amounts by the solar power generation module 13, and those generated power amounts. Is averaged. Thereby, as shown to A of FIG. 2, the EMS controller 25 calculates the prediction electric power generation amount which changes per time.
  • the EMS controller 25 extracts a plurality of demand power amounts from the accumulated data of the past demand power amounts by the load 14 on the condition of the day of the week and the temperature in the past predetermined period (for example, three months or the same season). , Average their power demand. As a result, the EMS controller 25 calculates the predicted demand power amount that changes in units of time, as shown in B of FIG.
  • the EMS controller 25 excludes the maximum and minimum generated power amounts from the extracted generated power amounts as described above when calculating the predicted generated power amount. , Eliminate those zero data. As a result, it is possible to obtain the predicted generated power amount by eliminating the influence of data that is not appropriate for predicting the generated power amount and unique data. Similarly, the EMS controller 25 can obtain the predicted demand power amount by eliminating the influence of data and singular data that are not appropriate for predicting the demand power amount.
  • the EMS controller 25 calculates
  • the EMS database 17 can store the accumulated data of the generated power amount and the demand power amount regardless of the power control mode of the power control system 11. Moreover, when a user's lifestyle changes, the amount of demand electric power according to the change is stored in accumulation
  • the EMS controller 25 adjusts the predicted power transmission / reception power thus obtained in accordance with the power control mode designated by the user, and targets the target predicted power transmission / reception when executing power control the next day. Calculate competence (operation plan).
  • the power control system 11 is provided with a plurality of power control modes, and the user can operate the operation terminal 24 in FIG. 1 and specify the ratio of the power control modes.
  • the EMS controller 25 actually executes power control by performing a weighted average of target target transmission / reception power amounts when executing power control in each power control mode at a rate specified by the user. The target predicted transmission / reception power amount is calculated.
  • the predicted power generation amount varies depending on the weather forecast and sunshine forecast on the next day
  • the predicted demand power amount varies depending on the conditions such as the day of the week and the temperature on the next day.
  • the amount of power demand varies from day to day.
  • the target predicted transmission / reception power amount of each of the plurality of power control modes differs depending on the day, and the target predicted transmission / reception target when performing power control on the next day by performing weighted averaging of these target predicted transmission / reception power amounts.
  • the amount of electric power is obtained every day.
  • the user can set the ratio of mode 1, mode 2, and mode 3 to each other. Can be specified. Then, the EMS controller 25 calculates the predicted transmission / reception power amount from the predicted generation power amount and the predicted demand power amount, and sets the target transmission / reception powers of mode 1, mode 2, and mode 3 according to the prediction transmission / reception power amount. Then, by calculating the weighted average of these target transmission / reception power amounts at a ratio designated by the user, the target predicted transmission / reception power amount for actually executing the power control is calculated.
  • an ecology mode for example, an economy mode, and a peak assist mode are prepared as power control modes.
  • FIG. 4 shows the target power transmission / reception amounts in the ecology mode, economy mode, and peak assist mode.
  • the horizontal axis indicates the time of the next day, and the vertical axis indicates the target transmission / reception power amount in each mode.
  • the ecology mode is a power control mode in which power control is performed so as to be artificially disconnected from the power system 12. That is, power control is performed such that the daytime power is stored in the storage battery system 23 as much as possible, and the power stored in the storage battery system 23 is discharged and used in the load 14 at night. That is, the storage battery system 23 performs charging and discharging as much as possible. Accordingly, the purchase of electric power from the electric power company can be suppressed, so that the amount of CO2 emission is minimized.
  • FIG. 4B shows the target power transmission / reception amount in the economy mode.
  • the economy mode is a power control mode in which power control is performed so that the surplus power generated by the solar power generation module 13 in the daytime is sold to the maximum to increase the power sales revenue. That is, the storage battery system 23 suppresses charging and discharging as much as possible.
  • FIG. 4C shows the target power transmission / reception power amount in the peak assist mode.
  • the peak assist mode is a power control mode that performs power control according to a request when power selling or consumption suppression is requested based on social power consumption when the power consumption is at a peak time.
  • a demand for power sale or consumption suppression during a period of peak power consumption, not only the surplus power generated by the solar power generation module 13 but also all the power generated by the solar power generation module 13.
  • the storage battery system 23 is discharged at the timing when the storage battery system 23 is normally charged.
  • the user can select one of the power control modes of ecology mode, economy mode, and peak assist mode, and can specify the ratio of each power control mode. Then, the EMS controller 25 weights and averages the target power transmission / reception amounts in the ecology mode, the economy mode, and the peak assist mode at a rate specified by the user, so that target prediction transmission / reception when actually executing power control is performed. Calculate the amount of electric power.
  • FIG. 5 shows the target transmission / reception power amount (operation plan) obtained by the weighted average according to the ratio specified by the user.
  • the ecology mode when the ecology mode is designated as 80%, the economy mode is designated as 10%, and the peak assist mode is designated as 10%, the target transmission / reception electric energy obtained by the weighted average It is shown.
  • the ecology mode when the ecology mode is designated as 10%, the economy mode is designated as 10%, and the peak assist mode is designated as 80%, the target transmission / reception electric energy obtained by the weighted average is obtained. It is shown.
  • FIG. 5C when the ecology mode is designated as 10%, the economy mode is designated as 80%, and the peak assist mode is designated as 10%, the target power transmission / reception power obtained by the weighted average is obtained. Competence is shown.
  • FIG. 5D when the ecology mode is designated as 50%, the economy mode is designated as 0%, and the peak assist mode is designated as 50%, the target transmission / reception power amount obtained by the weighted average is obtained. It is shown.
  • the EMS controller 25 follows the target transmission / reception power obtained in this way, and performs power control of the power control system 11 so that power is transmitted to or received from the power system 12.
  • FIG. 6 is a block diagram showing a configuration example of the EMS controller 25.
  • the EMS controller 25 includes a communication unit 31, a power prediction unit 32, a power control mode setting unit 33, a target calculation unit 34, a power data acquisition unit 35, and a power control processing unit 36.
  • the communication unit 31 communicates with the EMS database 17 via the network 15 in FIG. 1, and stores past generation power amount data stored in the EMS database 17 and past demand power amount by the load 14. Acquire accumulated data. Moreover, the communication part 31 communicates with the server which is not shown in figure, and acquires the weather forecast and sunshine forecast of the next day.
  • the power prediction unit 32 predicts the generated power generation based on the accumulated power generation amount and demand power amount data acquired by the communication unit 31 and the weather forecast and sunshine forecast for the next day. The amount and the predicted demand power amount are calculated. Then, the power prediction unit 32 calculates the predicted transmitted / received power amount by adding the predicted generated power amount and the predicted demand power amount. Then, the power prediction unit 32 sets the target predicted transmission / reception power amount in a predetermined time unit (for example, in units of 30 minutes) for each of the ecology mode, the economy mode, and the peak assist mode according to the calculated predicted transmission / reception power amount.
  • a predetermined time unit for example, in units of 30 minutes
  • the power control mode setting unit 33 displays a user interface (for example, FIG. 8 or FIG. 9 described later) that receives a user operation input on the touch panel display of the operation terminal 24 of FIG. For example, when the user specifies the ratios of the ecology mode, the economy mode, and the peak assist mode, the power control mode setting unit 33 acquires the ratio specified by the user and notifies the target calculation unit 34 of the acquired ratio.
  • a user interface for example, FIG. 8 or FIG. 9 described later
  • the target calculation unit 34 performs weighted averaging of the target predicted transmission / reception power amounts in the ecology mode, the economy mode, and the peak assist mode according to the ratio specified by the user, and actually A target predicted transmission / reception power for executing power control is calculated.
  • the power data acquisition unit 35 acquires the power measured by the power measurement unit 21-1 in FIG. 1 and obtains the amount of transmitted / received power by integrating the time units, and the power measured by the power measurement unit 21-2. To obtain the amount of generated power by integrating in units of time, acquire the electric power measured by the power measuring unit 21-3, and obtain the amount of demand power by integrating in units of hours. Then, the power data acquisition unit 35 supplies the transmission / reception power amount, the generated power amount, and the demand power amount to the power control processing unit 36. And the power data acquisition part 35 will transmit to the EMS database 17 via the communication part 31, for example, if the power data for one day (transmission / reception power amount, generated electric power amount, and demand electric energy) are recorded, Update accumulated data.
  • the power control processing unit 36 transmits / receives electric power, generated power, and demand acquired by the power data acquisition unit 35 so that the electric power transmitted / received along the target predicted transmitted / received electric energy calculated by the target calculator 34 is obtained.
  • the power control of the power control system 11 is performed by referring to the power amount and adjusting the power in time units with the target predicted transmission / reception power amount as a target.
  • the power control processing unit 36 controls charging / discharging of the storage battery system 23 to charge the storage battery system 23 when surplus is generated in the generated power of the solar power generation module 13 or when the demand power by the load 14 increases. Power control for discharging from the storage battery system 23 is performed.
  • FIG. 7 is a flowchart for explaining processing executed by the EMS controller 25.
  • step S11 the communication unit 31 communicates with the EMS database 17 via the network 15 in FIG. 1 to acquire accumulated data of the generated power amount and the demand power amount, and supplies the accumulated data to the power prediction unit 32.
  • step S12 the power prediction unit 32 calculates the predicted power generation amount and the predicted demand power amount from the accumulated data of the generated power amount and the demand power amount acquired from the communication unit 31 in step S11, and further calculates the predicted transmission / reception power amount. To do. Then, the power prediction unit 32 sets the target transmission / reception power amounts for the ecology mode, the economy mode, and the peak assist mode from the calculated predicted generated power amount and predicted demand power amount.
  • step S13 when the user performs an operation on the operation terminal 24 and specifies a ratio for each of the ecology mode, the economy mode, and the peak assist mode, the power control mode setting unit 33 acquires the ratio.
  • step S14 the target calculation unit 34 weights and averages the target predicted transmission / reception power amounts of the ecology mode, the economy mode, and the peak assist mode according to the ratio acquired by the power control mode setting unit 33 in step S13. Calculate the amount of electric power.
  • step S15 the power data acquisition unit 35 determines whether or not a predetermined time unit (for example, 30 minutes) has elapsed, and waits for processing until it is determined that the predetermined time unit has elapsed.
  • a predetermined time unit for example, 30 minutes
  • step S15 If it is determined in step S15 that the predetermined time unit has elapsed, the process proceeds to step S16, and the power data acquisition unit 35 integrates the power measured in the predetermined time unit, Get the amount of power generation and demand.
  • step S ⁇ b> 17 the power control processing unit 36 transmits / receives electric power, generated electric power, and the electric power transmitted / received by the electric power data acquisition unit 35 so that the electric power transmitted / received along the target predicted transmitted / received electric power calculated in step S ⁇ b> 14.
  • the power control of the power control system 11 is executed with reference to the demand power amount.
  • step S18 the power data acquisition unit 35 determines whether or not processing for one day has been performed. If it is determined that processing for one day has not been performed, the processing returns to step S15, and hereinafter, Similar processing is repeated.
  • step S18 if it is determined in step S18 that the process for one day has been performed, the process proceeds to step S19.
  • the power data acquisition unit 35 transmits power data for one day (transmission / reception power amount, generated power amount, and demand power amount) to the EMS database 17 via the communication unit 31 to update the accumulated data. Then, after the process of step S19, the process returns to step S11, and similarly, the process of the next day is repeatedly performed.
  • the user designates the ratio of the ecology mode, the economy mode, and the peak assist mode, and the power control targeting the target predicted transmission / reception power amount according to the ratio is performed in time units. Can be executed. Thereby, the power control corresponding to a user's request more flexibly can be performed. For example, effects (CO2 saving, high economic efficiency, social contribution) of the ecology mode, the economy mode, and the peak assist mode can be obtained according to the mood of the user.
  • the user can change the setting of the power control mode by reserving the operation after the next day, such as increasing the ratio of the peak assist mode.
  • the power control system 11 automatically calculates a CO2 emission amount, a power sale amount, etc. when power control is performed along the target predicted transmission / reception power amount obtained at a rate specified by the user. Can be displayed on the operation terminal 24. Accordingly, the user can easily change the ratio of the power control mode while confirming the CO2 emission amount, the power sale amount, and the like.
  • FIGS. 8 and 9 show examples of user interfaces that the power control mode setting unit 33 displays on the touch panel display of the operation terminal 24 of FIG.
  • mode 1, mode 2, and mode 3 are prepared as power control modes of the power control system 11
  • a user interface as shown in FIG. 8 or FIG. 9 is displayed on the touch panel display of the operation terminal 24. Is done.
  • FIG. 8 shows a user interface similar to a radar chart
  • FIG. 9 shows a user interface similar to a bar graph.
  • mode 1 mode 2, and mode 3
  • the above-described ecology mode, economy mode, and peak assist mode can be used.
  • the power control mode setting unit 33 calculates the relative state for each time zone and reflects it in the user interface.
  • the power control mode setting unit 33 calculates the relative state and places the lower side in FIGS. 8 and 9. As shown, the ratio of mode 2 and mode 3 is decreased. Similarly, when the user changes the ratio of mode 2, the power control mode setting unit 33 calculates the ratio of mode 1 and mode 3, and when the user changes the ratio of mode 3, the power control mode setting unit 33 Calculates the ratio of mode 1 and mode 2 and changes the ratio of each.
  • the user can visually confirm the ratio of the power control mode, and more intuitively, The power control mode of the power control system 11 can be set.
  • other methods for the user to specify the ratio of the power control mode include, for example, a voice input method for inputting by recognizing the user's voice, or transferring data created by another terminal to the operation terminal 24.
  • Various methods such as a data transfer method can be adopted.
  • FIG. 10 shows an example of the question content used for setting the power control mode of the power control system 11.
  • the power control mode setting unit 33 displays a predetermined number of questions on the touch panel display of the operation terminal 24 in FIG. 1, and based on the answers (YES / NO) to these questions, The ratio of the power control mode of the control system 11 can be set.
  • FIG. 10 exemplifies 10 question contents.
  • economic efficiency For each question content, economic efficiency, CO2 saving, and coefficient for peak cut are set.
  • an economic factor of 10 For example, an economic factor of 10, a CO2 saving factor of 2, and a peak cut factor of 10 are set for the question content “Is there no tomorrow?” And the question content “Is tomorrow off?”
  • an economic factor 5 a CO2 saving factor 10, and a peak cut factor 2 are set.
  • the power control mode setting unit 33 adds the coefficients of the question contents answered as YES, and sets the ratio of the added total values as an ecology mode, an economy mode, And it determines as a ratio at the time of carrying out a weighted average of peak assist mode.
  • the power control mode of the power control system 11 is set more according to the user's mood by determining the ratio of the power control mode according to the question content as shown in FIG. 10. Can do.
  • the question content may be presented to the user by synthetic voice, or an answer by the voice of the user may be acquired by voice recognition.
  • the processes described with reference to the flowcharts described above do not necessarily have to be processed in chronological order in the order described in the flowcharts, but are performed in parallel or individually (for example, parallel processes or objects). Processing).
  • the program may be processed by one CPU, or may be distributedly processed by a plurality of CPUs.
  • the above-described series of processing can be executed by hardware or can be executed by software.
  • a program constituting the software executes various functions by installing a computer incorporated in dedicated hardware or various programs.
  • the program is installed in a general-purpose personal computer from a program recording medium on which the program is recorded.
  • FIG. 11 is a block diagram showing an example of the hardware configuration of a computer that executes the above-described series of processing by a program.
  • a CPU Central Processing Unit
  • ROM Read Only Memory
  • RAM Random Access Memory
  • An input / output interface 105 is further connected to the bus 104.
  • the input / output interface 105 includes an input unit 106 including a keyboard, a mouse, and a microphone, an output unit 107 including a display and a speaker, a storage unit 108 including a hard disk and nonvolatile memory, and a communication unit 109 including a network interface.
  • a drive 110 for driving a removable medium 111 such as a magnetic disk, an optical disk, a magneto-optical disk, or a semiconductor memory is connected.
  • the CPU 101 loads, for example, the program stored in the storage unit 108 to the RAM 103 via the input / output interface 105 and the bus 104 and executes the program. Is performed.
  • the program executed by the computer (CPU 101) is, for example, a magnetic disk (including a flexible disk), an optical disk (CD-ROM (Compact Disc-Read Only Memory), DVD (Digital Versatile Disc), etc.), a magneto-optical disc, or a semiconductor.
  • the program is recorded on a removable medium 111 that is a package medium including a memory or the like, or is provided via a wired or wireless transmission medium such as a local area network, the Internet, or digital satellite broadcasting.
  • the program can be installed in the storage unit 108 via the input / output interface 105 by attaching the removable medium 111 to the drive 110. Further, the program can be received by the communication unit 109 via a wired or wireless transmission medium and installed in the storage unit 108. In addition, the program can be installed in the ROM 102 or the storage unit 108 in advance. Further, in this specification, the system represents the entire apparatus constituted by a plurality of apparatuses.

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