WO2016157673A1 - ゲートウェイ装置、デマンドレスポンスシステム及びゲートウェイ装置のプログラム - Google Patents
ゲートウェイ装置、デマンドレスポンスシステム及びゲートウェイ装置のプログラム Download PDFInfo
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- WO2016157673A1 WO2016157673A1 PCT/JP2016/000383 JP2016000383W WO2016157673A1 WO 2016157673 A1 WO2016157673 A1 WO 2016157673A1 JP 2016000383 W JP2016000383 W JP 2016000383W WO 2016157673 A1 WO2016157673 A1 WO 2016157673A1
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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
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
- H02J3/144—Demand-response operation of the power transmission or distribution network
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
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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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
- H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
- H02J2310/58—The condition being electrical
- H02J2310/60—Limiting power consumption in the network or in one section of the network, e.g. load shedding or peak shaving
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- 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
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- 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
Definitions
- the present invention relates to a gateway device, a demand response system, and a gateway device program.
- a so-called demand response (DR) is known, in which a consumer adjusts the amount of power used or the amount of generated power in response to a request from the power supply side, thereby ensuring a stable supply of power.
- a gateway device that relays communication exists between an electric power company or aggregator and a customer (see Patent Document 1).
- Such a gateway apparatus transmits a control request for a predetermined consumer using a communication protocol different from that of the DR request in response to the DR request transmitted from the supply side.
- Patent Document 1 deteriorates the efficiency for DR requests, such as the processing load related to protocol conversion and the communication traffic in the network simply increase with the increase of each consumer as a transmission destination of control requests. there is a possibility.
- an object of the present invention is to provide a gateway device, a demand response system, and a gateway device program that can improve the efficiency of DR requests.
- a gateway device provides a plurality of control requests for requesting control of a device in response to a demand response request for requesting power amount adjustment transmitted from an aggregator.
- a request target candidate that is a gateway device that transmits to at least one of the device groups, a request adjustment power amount that indicates the amount of power that requires adjustment, and a device group that can be a control request target among a plurality of device groups Is a first communication unit that receives a demand response request specified by the first protocol from the aggregator, a request target candidate, a request adjustment power amount, and a device group that is a target of a control request among a plurality of device groups.
- a plurality of request patterns each associated with a request object and at least one request information including a control command to the request object And a storage unit that stores a strategy table that is recorded in advance for each predetermined priority level, and the strategy table matches the request adjustment power amount and the request target candidate specified in the demand response request received by the first communication unit.
- a request pattern with the highest priority is identified, and for each request information extracted from the identified request pattern, a conversion processing unit that generates a control request including the request information and a conversion processing unit
- a second communication unit that transmits the control request to a request target indicated by request information included in the control request by a second protocol different from the first protocol, and receives a response to the control request from the request target; Learning to change the priority order of request patterns specified by the conversion processing unit in the strategy table based on the response from the request target received by And a processing section.
- a demand response system includes the gateway device, an aggregator, and a plurality of device groups.
- the program of the gateway device sends a control request for requesting control of a device to at least one of a plurality of device groups in response to a demand response request for requesting power amount adjustment transmitted from an aggregator.
- a first communication unit that receives the demand response request in which a certain request target candidate is specified from the aggregator using a first protocol, the request target candidate, the request adjustment power amount, and the device group among the plurality of device groups Including a request target that is a group of devices that are subject to a control request and a control command to the request target.
- One request information is received by the first communication unit in the strategy table and a storage unit that stores a plurality of request patterns associated with each other in advance for each predetermined priority order.
- the request pattern having the highest priority is identified and extracted from the identified request pattern
- a conversion processing unit that generates the control request including the request information, and the control request generated by the conversion processing unit is converted into the control request by a second protocol different from the first protocol.
- a second that transmits to the request target indicated by the request information included and receives a response to the control request from the request target;
- a learning processing unit that changes the priority order of the request pattern specified by the conversion processing unit in the strategy table based on a response from the request target received by the communication unit and the second communication unit.
- the present invention it is possible to provide a gateway device, a demand response system, and a program that can improve the efficiency with respect to the DR request.
- FIG. 1 is a block diagram illustrating a basic configuration of a demand response system according to an embodiment of the present invention.
- FIG. 2 is an example illustrating a message table used in the demand response system according to the embodiment of the present invention.
- FIG. 3 is an example illustrating a task table used in the demand response system according to the embodiment of the present invention.
- FIG. 4 is an example illustrating a strategy table used in the demand response system according to the embodiment of the present invention.
- FIG. 5 is a flowchart for explaining the operation of the demand response system according to the embodiment of the present invention.
- FIG. 6 is a sequence diagram for explaining the operation of the demand response system according to the embodiment of the present invention.
- FIG. 1 is a block diagram illustrating a basic configuration of a demand response system according to an embodiment of the present invention.
- FIG. 2 is an example illustrating a message table used in the demand response system according to the embodiment of the present invention.
- FIG. 3 is an example illustrating a task table used in the demand response system according
- FIG. 7 is an example illustrating the configuration of a device group included in the demand response system according to the embodiment of the present invention.
- FIG. 8 is an example illustrating a strategy table used in the demand response system according to the embodiment of the present invention.
- FIG. 9 is an example illustrating a strategy table used in the demand response system according to the embodiment of the present invention.
- FIG. 10 is an example illustrating a strategy table used in the demand response system according to the embodiment of the present invention.
- the demand response system includes an aggregator 1, a gateway device 2, a plurality of device groups 3 each serving as a power consumer, and a power company 4 serving as a power supplier. Prepare.
- the plurality of device groups 3 are respectively supplied with electric power from the electric power company 4 via an electric power system (not shown).
- the electric power company 4 includes a management device 41.
- the management device 41 monitors the balance between the power supply amount of the power company 4 and the power demand amount of the power consumer. When it is expected that the power demand amount will increase relatively and a certain balance with the power supply amount will not be maintained, the management device 41 will request the aggregator 1 to adjust the power amount and the power amount including the period. Send adjustment request.
- the management device 41 is communicably connected to the aggregator 1 using a communication protocol such as OpenADR (Automated Demand Response).
- the amount of power that requires adjustment includes the amount of power used and the amount of power generated.
- Adjustment of the power consumption includes reduction and increase of power consumption.
- Adjustment of the power generation amount includes reduction and increase of the power generation amount.
- “adjustment of electric energy” is at least one of reduction of electric power consumption, increase of electric power consumption, reduction of electric power generation, and increase of electric power generation.
- the aggregator 1 is a computer including a communication unit 11 that communicates with the outside, a processing unit 12, and a storage unit 13. Aggregator 1 is located between electric power company 4 and gateway device 2.
- the communication unit 11 communicates with the management device 41 and the gateway device 2.
- the processing unit 12 When the communication unit 11 receives the power amount adjustment request from the management device 41, the processing unit 12 generates a demand response (DR) request for requesting the power amount adjustment to the gateway device 2 having a power consumer at the lower level. And transmitted to the gateway device 2 via the communication unit 11.
- the communication unit 11 is communicably connected to the gateway device 2.
- the storage unit 13 stores in advance information such as identifiers B 1 , B 2 ,..., B n of the plurality of device groups 3 and the amount of electricity used.
- the processing unit 12 is a request adjustment power amount that indicates the amount of power that requires adjustment, a request that is a device group 3 that can be a control request target among the plurality of device groups 3.
- a DR request in which a target candidate and a request period (time condition) are specified is generated.
- the communication unit 11 transmits the DR request generated by the processing unit 12 to the gateway device 2 using the first protocol.
- the first protocol is a communication protocol such as OpenADR, for example.
- the gateway device 2 is a computer that includes a first communication unit 21, a second communication unit 22, a processing unit 23, and a storage unit 24.
- the first communication unit 21 receives, from the aggregator 1, a DR request in which a request adjustment power amount, a request target candidate, a request period, and the like are specified.
- the first communication unit 21 is communicably connected to the aggregator 1.
- the processing unit 23 includes a conversion processing unit 231, a learning processing unit 232, and a condition determination unit 233.
- the processing unit 23 is composed of, for example, a central processing unit (CPU).
- the display of each unit included in the processing unit 23 is a display as a logical structure, and may be configured by separate hardware or integrated hardware.
- the conversion processing unit 231 generates the second protocol control request for the plurality of device groups 3 based on the first protocol DR request received by the first communication unit 21, thereby allowing the first protocol communication to be performed.
- the communication is converted into a second protocol communication different from the first protocol.
- the second protocol for example, SEP (Smart Energy Profile), ECHONET Lite, BACnet, IEEE 1888 / FIAP (Facility Information Access Protocol) and the like can be adopted.
- a communication protocol having a unique command system can be adopted as the second protocol.
- the learning processing unit 232 performs processing for learning a strategy related to the control request generated by the conversion processing unit 231 according to responses from the plurality of device groups 3 to the control request.
- the condition determination unit 233 determines each condition in the generation of the control request by the conversion processing unit 231.
- the storage unit 24 stores a message table 241, a task table 242, a strategy table 243, and a register 244.
- the storage unit 24 is a storage device such as an auxiliary storage device or a main storage device.
- storage part 24 may be memorize
- the message table 241 is a record for each DR request received by the first communication unit 21 using the first protocol. As shown in FIG. 2, for example, the message table 241 includes information such as a transmission source, a destination, a request adjustment power amount, and a request target candidate.
- the source A and the destination G mean the identifiers of the aggregator 1 and the gateway device 2, respectively.
- the required adjustment power amount means the amount of power that requires adjustment.
- the request target candidate means a device group 3 that can be a request target among the plurality of device groups 3.
- the DR request transmitted by the aggregator 1 requests adjustment of the power consumption of 10 kW by control of at least one of the six device groups 3 indicated by B 1 to 6 Means a message.
- the task table 242 records tasks being executed by the processing unit 23 of the gateway device 2 as shown in FIG. FIG. 3 corresponds to FIG. 2 and means that each task corresponding to the DR request received from the aggregator 1 is being executed.
- the strategy table 243 includes a plurality of requests in which a request target candidate, a request adjustment power amount, and at least one request information including a request target and a control command to the request target are associated with each other. Patterns are recorded in advance for each predetermined priority.
- the request target is the device group 3 that is the target of the control request among the plurality of device groups 3.
- the register 244 is a temporary storage area for storing information transmitted and received by the gateway device 2.
- the register 244 may be used as a temporary storage area necessary for an operation performed by the processing unit 23.
- the conversion processing unit 231 In response to the first communication unit 21 receiving the DR request, the conversion processing unit 231 generates a request pattern matching the request adjustment power amount and the request target candidate received by the first communication unit 21 from the strategy table 243. Search for. The conversion processing unit 231 identifies a request pattern having the highest priority among the retrieved request patterns, and extracts request information from the identified request pattern. The conversion processing unit 231 generates a control request including request information for each request information extracted from the request pattern.
- the second communication unit 22 transmits the control request generated by the conversion processing unit 231 to the device group 3 that is the request target indicated by the request information included in the control request, using the second protocol. Further, the second communication unit 22 receives a response to the transmitted control request from the device group 3 that is the request target.
- the second communication unit 22 is connected to the plurality of device groups 3 so as to communicate with each other.
- the learning processing unit 232 changes the priority order of the request pattern specified by the conversion processing unit 231 in the strategy table 243 based on the response from the device group 3 to the control request received by the second communication unit 22.
- Each of the plurality of device groups 3 includes a controller 31 and a plurality of devices 32.
- the device group 3 is an energy management system (EMS) in which the controller 31 manages the amount of power used, the amount of generated power, and the like of the device 32.
- the device 32 includes a heating / cooling device, a load device such as a lighting device and a water heater, a power supply device such as a solar battery and a storage battery, and a smart meter.
- Each controller 31 receives a control request transmitted from the gateway device 2.
- the controller 31 adjusts the amount of power by controlling the device 32 to be managed in the period indicated by the request period in accordance with the received control request.
- Each controller 31 transmits a control response including a scheduled adjustment power amount that is a power amount scheduled for adjustment to the gateway device 2 as a response to the control request.
- the processing unit 12 of the aggregator 1 starts processing related to the setting of the DR request in step S11 in response to receiving the power amount adjustment request from the management device 41 of the power company 4.
- the processing unit 12 activates a task related to demand response.
- the processing unit 12 generates a DR request in which a request adjustment power amount, a request target candidate, a request period, and the like are specified in response to the power amount adjustment request of the management device 41.
- the communication unit 11 transmits the DR request generated by the processing unit 12 to the gateway device 2 using the first protocol.
- aggregator 1 in step S201, the first protocol P1, its own identifier A1, requested candidate identifier B 1 ⁇ 3 and the required adjustment power amount ⁇ 2 is designated DR requesting gateway device 2 to send.
- step S201 the first communication unit 21 of the gateway device 2 receives the DR request transmitted from the aggregator 1 using the first protocol.
- step S ⁇ b> 202 the processing unit 23 activates the tasks G to B 1 to 3 related to demand response in response to the first communication unit 21 receiving the DR request from the aggregator 1, and displays the activated tasks in the task table 242. Record.
- step S203 the processing unit 23 refers to the task table 242 and identifies the task being executed.
- step S204 the conversion processing unit 231 refers to the strategy table 243 and searches for a request pattern corresponding to the task specified in step S203. That is, the conversion processing unit 231 searches for a request pattern that matches the request adjustment power amount and the request target candidate specified in the DR request received by the first communication unit 21 in step S201.
- step S205 the conversion processing unit 231 identifies a request pattern having the highest priority among the request patterns searched in step S204, and extracts request information from the identified request pattern.
- the conversion processing unit 231 generates a control request including request information for each request information extracted from the request pattern.
- the conversion processing unit 231 requests pattern matching with the request adjustment power amount ⁇ 2 and the request target candidates B 1 to 3 specified in the DR request received by the first communication unit 21 in step S201. Search for.
- the conversion processing unit 231 uses the second and third line request patterns as search results as matching request patterns, and the priority is the highest among them.
- the request pattern on the second line is specified. For each piece of request information ⁇ B 1 , com 2 ⁇ , ⁇ B 2 , com 3 ⁇ extracted from the identified request pattern, the conversion processing unit 231 requests information ⁇ B 1 , com 2 ⁇ , ⁇ B 2 , com 3 ⁇ Is generated.
- step S206 the second communication unit 22 transmits the control request generated by the conversion processing unit 231 to the device group 3 that is the request target indicated by the request information included in the control request, using the second protocol.
- the conversion processing unit 231 stores the control request transmitted by the second communication unit 22 in the register 244.
- the second communication unit 22 sends the request information ⁇ B 1 , com 2 ⁇ to the device group 3 having the identifiers B 1 and B 2 according to the second protocol P2 in step S206, respectively.
- ⁇ B 2 , com 3 ⁇ is transmitted.
- the control request includes an identifier (indicated as B1 to 3 in step S206 in FIG. 6) indicating by which task the control request was created.
- step S31 the controller 31 of the device group 3 receives the control request transmitted from the gateway device 2.
- step S32 the controller 31 automatically calculates the scheduled adjustment power amount according to the received control request, and generates a control response including the scheduled adjustment power amount.
- step S33 the controller 31 transmits the control response generated in step S32 to the gateway apparatus 2 using the second protocol as a response to the control request.
- the control response includes the task identifier included in the control request.
- step S207 the second communication unit 22 of the gateway apparatus 2 receives a control response to the transmitted control request from the device group 3 that is the request target.
- step S208 the conversion processing unit 231 refers to the register 244 and identifies in which task the control response received by the second communication unit 22 in step S207 is a response to the control request.
- step S209 the learning processing unit 232 changes the priority order of the request pattern specified in step S205 in the strategy table 243 based on the control response received in step S207.
- step S210 the processing unit 23 determines whether or not to retransmit the control request. For example, the processing unit 23 determines to perform the retransmission process when the total scheduled adjustment power amount indicated by the control response received in step S207 is less than the request adjustment power amount indicated by the control request. When determining that the retransmission process is to be performed, the processing unit 23 returns the process to step S203, and when determining not to perform the retransmission process, the processing unit 23 proceeds to the process of step S211.
- step S211 the first communication unit 21 transmits a DR response, which is a response to the DR request, to the aggregator 1 using the first protocol.
- the DR response includes information indicating the total of the scheduled adjustment power amounts included in the request target candidate and the control response received in step S207.
- step S14 the communication unit 11 of the aggregator 1 receives a DR response to the transmitted DR request from the gateway device 2 using the first protocol.
- the aggregator 1 transmits a power amount adjustment response to the power amount adjustment request received from the management device 41 to the management device 41 in accordance with the received DR response.
- the device group 3 having the identifiers B 1 and B 2 transmits a control response including the scheduled adjustment power amount W to the gateway device 2 in step S33.
- Each device group 3 adds the resource names Res1 and Res2 to the scheduled adjustment power amount W and transmits the same to the gateway device 2.
- the first communication unit 21 transmits, to the aggregator 1, a DR response including the total scheduled adjustment power amount W to which the resource names Res1 and 2 (Res1 and Res2) are attached according to the first protocol.
- a certain device group 3 includes an input / output (I / O) control device 32-1, a power meter device 32-2, a load device 32-3, and a power control device 32-4. It is provided as a device 32.
- the input / output control device 32-1, the power meter device 32-2, the load device 32-3, and the power control device 32-4 may be singular or plural.
- the load device 32-3 is configured from, for example, a cooling / heating device, a lighting device, a water heater, and the like, and is a device that consumes the power of the system power supply.
- the power conditioner device 32-4 is connected to a solar power generation device or the like, converts DC power input from the power generation device into AC power, and outputs the AC power to the power system.
- the input / output control device 32-1 controls, for example, a switch connected between the power system and each load device 32-3 and power-con device 32-4 according to timer control by the controller 31. As a result, the input / output control device 32-1 adjusts the amount of power used by the load device 32-3 and the amount of power generated by the power control device 32-4. Alternatively, the input / output control device 32-1 may directly control the driving of the load device 32-3 and the power control device 32-4.
- the power meter device 32-2 detects the power consumption amount W of the load device 32-3 and the power generation amount W of the power conditioner device 32-4, and outputs them to the controller 31.
- the controller 31 calculates a scheduled adjustment power amount corresponding to the power consumption amount W1 used by the load device 32-3 and the power generation amount W2 generated by the power conditioner device 32-4, and assigns corresponding resource names Res1 and Res2 stored in advance. .
- the controller 31 includes the control response with the resource names Res1 and Res2 and transmits them to the gateway device 2.
- the learning processing unit 232 when the total scheduled adjustment power amount W3 included in the control response received in step S207 is less than the required adjustment power amount ⁇ 2, the learning processing unit 232, as shown in FIG. The priority of the request pattern specified by the conversion processing unit 231 is lowered.
- the strategy table 243 is changed to increase the priority order of the request patterns.
- the learning processing unit 232 changes the priority order of the request patterns specified by the conversion processing unit 231 in the strategy table 243 based on the control response to the control request.
- the gateway apparatus 2 can improve the strategy at the time of transmitting a control request
- the learning processing unit 232 may change the priority of the strategy table 243 for each control response received in step S207. For example, the learning processing unit 232 calculates the expected value E ( ⁇ B) for the scheduled adjustment power amount of each request target, and compares the calculated expected value E ( ⁇ B) with the scheduled adjustment power amount of the control response. , Change the priority.
- the expected value E ( ⁇ B) can be a proportional amount of the required adjustment power amount ⁇ , for example.
- the learning processing unit 232 calculates a success rate for the control request for each control response received in the past, and changes the priority order of the strategy table 243 based on the calculated success rate. You may make it do.
- the success rate can be calculated from the number of successful control requests with respect to the number of times the control request has been transmitted, and is calculated for each type of control request.
- the learning processing unit 232 changes the strategy table 243 so as to increase the priority order in descending order of the success rate corresponding to the request information combined for each request adjustment power amount ⁇ .
- the learning processing unit 232 may delete the request pattern in the strategy table 243 based on the calculated success rate. For example, the learning processing unit 232 changes the strategy table 243 so as to delete a request pattern whose calculated success rate is equal to or less than a predetermined threshold. Thereby, the used capacity of the storage unit 24 can be reduced and the processing load of the conversion processing unit 231 is reduced.
- the gateway device 2 by introducing a control strategy to the gateway device 2, it is possible to reduce the processing load related to protocol conversion and communication traffic in the network, and to improve the efficiency for DR requests.
- the priority order of the strategy table 243 is changed based on the control response from the device group 3.
- the gateway apparatus 2 can improve the strategy at the time of transmitting a control request
- the storage unit 24 may store a plurality of strategy tables 243 for each power usage condition of the plurality of device groups 3 in advance.
- the power usage conditions are, for example, time conditions such as season, day of the week, time zone, and weather forecast.
- the conversion processing unit 231 reads the strategy table 243 that matches the power usage condition specified in the DR request. Identify.
- the conversion processing unit 231 may identify the request pattern from the identified strategy table 243.
- the aggregator 1 may be included in the electric power company 4 and may function as another gateway device 2.
- the functions of the gateway device 2 may be realized by using a program for causing a computer to realize the functions. That is, a program for causing a computer to realize each function of the demand response system according to the present embodiment is included.
- the program may be read from a recording medium and taken into a computer, or may be transmitted via a network and taken into a computer.
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Abstract
Description
本実施の形態において、戦略を導入することにより、処理負荷及び通信トラフィックを削減し、DR要求に対する効率を向上することができるゲートウェイ装置、デマンドレスポンスシステム及びゲートウェイ装置のプログラムについて説明する。
本実施の形態に係るデマンドレスポンスシステムは、図1に示すように、アグリゲータ1と、ゲートウェイ装置2と、それぞれ電力需要者である複数の機器群3と、電力供給者である電力会社4とを備える。複数の機器群3は、図示を省略した電力系統を介して、電力会社4からそれぞれ電力を供給される。
以下、図5のフローチャート及び図6のシーケンス図を参照して、本実施の形態に係るデマンドレスポンスシステムの動作の一例を説明する。
以下、ステップS209における学習処理部232の動作例について説明する。
上記のように、本実施の形態を記載したが、この開示から当業者には様々な代替実施の形態、実施例及び運用技術が明らかとなろう。
2 ゲートウェイ装置
3 機器群
21 第1通信部
22 第2通信部
24 記憶部
32 機器
41 管理装置
231 変換処理部
232 学習処理部
233 条件判断部
243 戦略テーブル
Claims (6)
- アグリゲータから送信される、電力量の調整を要求するデマンドレスポンス要求に応じて、機器の制御を要求する制御要求を複数の機器群の少なくともいずれかに送信するゲートウェイ装置であって、
調整を要求する電力量を示す要求調整電力量及び前記複数の機器群のうち前記制御要求の対象となり得る機器群である要求対象候補が指定された前記デマンドレスポンス要求を、第1プロトコルにより前記アグリゲータから受信する第1通信部と、
前記要求対象候補と、前記要求調整電力量と、前記複数の機器群のうち前記制御要求の対象となる機器群である要求対象及び前記要求対象への制御コマンドを含む少なくとも1つの要求情報とが、それぞれ互いに関連付けられた複数の要求パターンを、所定の優先順位毎に予め記録する戦略テーブルを記憶する記憶部と、
前記戦略テーブルにおいて、前記第1通信部により受信された前記デマンドレスポンス要求に指定された前記要求調整電力量及び前記要求対象候補に整合する前記要求パターンのうち、前記優先順位が最上位の前記要求パターンを特定し、特定した前記要求パターンから抽出される要求情報毎に、前記要求情報を含む前記制御要求を生成する変換処理部と、
前記変換処理部により生成された前記制御要求を、前記第1プロトコルと異なる第2プロトコルにより、前記制御要求に含まれる前記要求情報が示す前記要求対象に送信し、前記制御要求に対する応答を前記要求対象から受信する第2通信部と、
前記第2通信部により受信された前記要求対象からの応答に基づいて、前記戦略テーブルの、前記変換処理部により特定された要求パターンの優先順位を変更する学習処理部とを備える
ゲートウェイ装置。 - 前記学習処理部は、前記要求対象からの過去の応答に基づいて、前記制御要求に対する成功率を前記機器群毎に算出し、前記成功率に基づいて、前記戦略テーブルの優先順位を変更する
請求項1に記載のゲートウェイ装置。 - 前記学習処理部は、前記成功率に基づいて、前記戦略テーブルの前記要求パターンを削除する
請求項2に記載のゲートウェイ装置。 - 前記第1通信部は、時間的条件が指定された前記デマンドレスポンス要求を受信し、
前記記憶部は、時間的条件毎の複数の戦略テーブルを記憶し、
前記変換処理部は、前記記憶部に記憶された複数の戦略テーブルのうち、前記デマンドレスポンス要求に指定された時間的条件に合致する戦略テーブルから、前記要求パターンを特定する
請求項1~3のいずれか1項に記載のゲートウェイ装置。 - 請求項1~4のいずれか1項に記載のゲートウェイ装置と、アグリゲータと、複数の機器群とを備える
デマンドレスポンスシステム。 - アグリゲータから送信される、電力量の調整を要求するデマンドレスポンス要求に応じて、機器の制御を要求する制御要求を複数の機器群の少なくともいずれかに送信するコンピュータを有するゲートウェイ装置のプログラムであって、
前記コンピュータを、
調整を要求する電力量を示す要求調整電力量及び前記複数の機器群のうち前記制御要求の対象となり得る機器群である要求対象候補が指定された前記デマンドレスポンス要求を、第1プロトコルにより前記アグリゲータから受信する第1通信部と、
前記要求対象候補と、前記要求調整電力量と、前記複数の機器群のうち前記制御要求の対象となる機器群である要求対象及び前記要求対象への制御コマンドを含む少なくとも1つの要求情報とが、それぞれ互いに関連付けられた複数の要求パターンを、所定の優先順位毎に予め記録する戦略テーブルを記憶する記憶部と、
前記戦略テーブルにおいて、前記第1通信部により受信された前記デマンドレスポンス要求に指定された前記要求調整電力量及び前記要求対象候補に整合する前記要求パターンのうち、前記優先順位が最上位の前記要求パターンを特定し、特定した前記要求パターンから抽出される要求情報毎に、前記要求情報を含む前記制御要求を生成する変換処理部と、
前記変換処理部により生成された前記制御要求を、前記第1プロトコルと異なる第2プロトコルにより、前記制御要求に含まれる前記要求情報が示す前記要求対象に送信し、前記制御要求に対する応答を前記要求対象から受信する第2通信部と、
前記第2通信部により受信された前記要求対象からの応答に基づいて、前記戦略テーブルの、前記変換処理部により特定された要求パターンの優先順位を変更する学習処理部
として機能させる
ゲートウェイ装置のプログラム。
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