WO2011030195A1 - 電力制御システム並びに電気機器 - Google Patents
電力制御システム並びに電気機器 Download PDFInfo
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- WO2011030195A1 WO2011030195A1 PCT/IB2010/002115 IB2010002115W WO2011030195A1 WO 2011030195 A1 WO2011030195 A1 WO 2011030195A1 IB 2010002115 W IB2010002115 W IB 2010002115W WO 2011030195 A1 WO2011030195 A1 WO 2011030195A1
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- Prior art keywords
- power
- surplus power
- surplus
- information
- unit
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M14/00—Electrochemical current or voltage generators not provided for in groups H01M6/00 - H01M12/00; Manufacture thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M16/00—Structural combinations of different types of electrochemical generators
-
- 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
-
- 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
-
- 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
- H02J2300/28—The renewable source being wind energy
-
- 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
- H02J2310/10—The network having a local or delimited stationary reach
- H02J2310/12—The local stationary network supplying a household or a building
- H02J2310/14—The load or loads being home appliances
-
- 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
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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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
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- 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
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/50—Energy storage in industry with an added climate change mitigation effect
Definitions
- the present invention relates to a power control system and an electric device that consume electric power generated by a private power generation facility using natural energy by controlling the electric device.
- Patent Document 1 Japanese Patent Laid-Open No. 2 0 0 6-3 1 1 6 7 6
- the present invention has been made in view of the above circumstances, and provides a power control system and an electric device that can efficiently consume surplus power generated by a private power generation facility such as a solar power generation system.
- a power control system is a power control system that consumes electric power generated by a private power generation facility that uses natural energy by controlling an electrical device.
- a surplus power detection means for detecting surplus power generated in the apparatus, and a device control means for controlling the operation of a plurality of electric devices, wherein the surplus power detection means detects surplus power.
- control is performed so that one or more of the plurality of electrical devices execute their predetermined operations and consume surplus power.
- surplus power is consumed by causing one or more electric devices to perform a predetermined operation. Therefore, surplus power generated by a private power generation facility such as a solar power generation system is efficiently used. It is possible to provide a power control system that can be consumed at a cost.
- the plurality of electric devices include one or more rechargeable electric devices that use a secondary battery as a power source, and the device control unit detects whether the surplus power is detected when the surplus power detection unit detects surplus power. Control may be performed such that surplus power is supplied to the rechargeable electric device to perform the charging operation.
- the secondary battery of the rechargeable electric device is charged using surplus power. Therefore, surplus power can be consumed efficiently.
- the power control system further includes a device information storage unit that stores information on a predetermined operation to be performed by an electrical device that is a surplus power use destination candidate, and the device control unit includes the surplus power detection unit. the when detecting the surplus power, on the basis of the device information storage means information of a predetermined operation stored in the, as well as selects the combination of the electrical equipment excess power is efficiently consumed from the use destination candidate Control may be performed so that the selected electrical device performs the respective predetermined operations and consumes surplus power.
- the power control system further includes surplus power predicting means for predicting the time when surplus power is generated and the surplus power based on the power generation amount and power demand of the private power generation facility
- the device information storage means includes the together with information of a predetermined operation stores the surplus power said time information required for the activation of the electrical equipment to be used candidate of the instrument controller, the said excess power amount which the surplus power prediction means predicts Based on the information on the predetermined operation stored in the device information storage means and the information on the time required for starting up the electric device, the combination of electric devices that can efficiently consume surplus power is selected from the use destination candidates.
- the selected electrical device is activated before the surplus power generation time predicted by the surplus power predicting means, and the surplus power detecting means detects surplus power.
- the predetermined operation may be performed by supplying surplus power to the selected electrical device.
- the electric device is an electric device that consumes electric power generated by a private power generation facility using natural energy, and is supplied with electric power and executes a predetermined operation.
- surplus power is consumed by causing the execution means to execute a predetermined operation, so that the surplus power generated by the private power generation facility such as a solar power generation system is efficiently consumed.
- Possible electrical devices can be provided.
- the execution unit may be a secondary battery, and the control unit may control the secondary battery to be charged by supplying the surplus power when the surplus power detection unit detects surplus power.
- the electric power control system and electric equipment which can consume efficiently the surplus part of the electric power produced
- FIG. 1 is a system configuration diagram showing a first embodiment of a power control system.
- FIG. 2 is a sequence diagram for explaining the operation of the above.
- FIG. 3 is a block diagram of a device control apparatus in Embodiment 2 of the power control system.
- FIG. 4 is a block diagram of a device control apparatus in Embodiment 3 of the power control system.
- FIG. 5 is a system configuration diagram of the above.
- FIG. 6 is a block diagram of a device control apparatus in Embodiment 4 of the power control system.
- FIG. 7 is a block diagram showing a fifth embodiment of the electric device and a system configuration diagram of a power control system including the electric device.
- FIG. 8 is a block diagram showing a sixth embodiment of the electric device. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 A system configuration diagram of the power control system of this embodiment is shown in FIG.
- the power control system includes a device control device 1 and a surplus power information transmission unit 2.
- the power line L 1 connected to the power grid W 1 of the power supplier is connected to the power grid W 2 of the power supplier W 2.
- Power line 2 is drawn through power meter M 1 for power purchase and power meter M 2 for power sale.
- the distribution board 2 0 0 includes a main breaker and a branch breaker for the power system W 1 and the power system W 2. ing.
- House H has a private power generation facility that uses natural energy such as wind and sunlight.
- a solar power generation system is installed.
- This photovoltaic power generation system includes a photovoltaic power generation unit 100 and a power conditioner 10 1, each including a large number of solar cells.
- the inverter 1 0 1 is well known in the art, and is output from the solar power generation unit 1 0 0. It includes an inverter (not shown) that converts the DC power that is applied to AC power, a grid interconnection protection device (not shown) provided between the inverter and the power systems W 1 and W 2.
- the inverter 1001 when the inverter converts the DC voltage output from the photovoltaic power generation unit 100 into an AC voltage, the output voltage (AC voltage) is used as the power supplier business.
- the AC power is sold (reverse power flow) to the power system W 2 by adjusting it so that it is slightly higher than the system voltage in the power system W 2.
- the grid voltage rises and exceeds the specified upper limit due to a decrease in power demand (for example, suspension of use by large consumers such as factories) in the power grid W 2 of the power supplier
- the power conditioner 101 stops the power sale (reverse power flow) to the power system W2 by suppressing the output voltage of the inverter so as not to exceed the upper limit value.
- a function of the power conditioner 101 is generally called a “voltage rise suppression function”.
- the distribution board 2 0 0 serves to detect the excess power generated by the private power generation facilities (photovoltaic systems), excess surplus power information (power is generated through the transmission line L s 1 (The same shall apply hereinafter.) Surplus power information transmitter 2 is installed.
- the surplus power information transmitter 2 monitors the primary side (distribution panel 2 0 0 side) voltage of the power meter M 2 and the output voltage of the power conditioner 1 0 When the voltage exceeds the upper limit and the output voltage of the power conditioner 10 0 1 is lower than the primary side voltage, the voltage rise suppression function of the power conditioner 1 0 1 described above works to It is determined that the power sale (reverse power flow) to the power grid W 2 of the operator has stopped, that is, surplus power has been generated, and surplus power information is transmitted. That is, in this embodiment, the surplus power information transmission unit 2 corresponds to surplus power detection means.
- the surplus power information transmitted from the surplus power information transmitting unit 2 via the transmission line L s 1 is received by the surplus power information receiving unit 11 of the device control apparatus 1 that controls the operation of one or more electrical devices 3. Is done.
- the device controller 1 includes a device controller 10 whose main component is a microcomputer and a rewritable nonvolatile semiconductor memory such as a flash memory. And an operation information holding unit 1 2.
- the device control unit 10 receives the surplus power information from the surplus power information receiving unit 11, and stores it in the device 3 based on the surplus power information and the operation information held (stored) by the operation information holding unit 12. A control signal is output to control its operation.
- the operation information held by the operation information holding unit 1 2 is information necessary for controlling the device 3 to be controlled.
- the device 3 performs a predetermined operation.
- Information such as a command to start or stop and the amount of power consumed when the operation is performed.
- the “predetermined operation” is, for example, a defrosting operation or an ice making operation when the device 3 is a refrigerator, and the room temperature becomes the set temperature when the device 3 is an air conditioner (air conditioner). It is an operation for cooling or heating, an operation for cleaning the internal filter or fan, etc., and when the device 3 is an air purifier, it is an operation for cleaning the air in the room or an operation for cleaning the internal filter, etc.
- the device control unit 10 is A control signal including a command for starting or stopping the operation is transmitted on the transmission path to device 3 via s2.
- the device 3 includes a control signal receiving unit 3 1 that receives a control signal transmitted from the device control unit 10 via the transmission path s 2, an execution unit 3 2 that executes a predetermined operation as described above, And a control unit 30 that controls execution of a predetermined operation by the execution unit 32 according to a command included in the control signal received by the control signal reception unit 31.
- a control signal receiving unit 3 1 that receives a control signal transmitted from the device control unit 10 via the transmission path s 2
- an execution unit 3 2 that executes a predetermined operation as described above
- a control unit 30 that controls execution of a predetermined operation by the execution unit 32 according to a command included in the control signal received by the control signal reception unit 31.
- the medium forming the transmission lines L s 1 and L s 2 may be a dedicated signal line or a radio wave.
- PLC power line carrier communication
- the power control system of the present embodiment also includes basically the power generated by the solar power generation unit 1 0 0 via the distribution board 2 0 0 Equipment 3 (but not the control target device controller 1 device )), And the generated power exceeds the power consumed by the device 3 and is sold (reverse power flow) to the power grid W 2 of the power supplier, and is consumed by the device 3.
- power exceeds the power generation amount of the solar power generator 1 0 0 purchased electric destination power company supplying the power system W 1 (purchased power) is the distribution board 2 0 0 power the device 3 via the electric power (So-called grid-connected operation)
- FIG. 1 there may be a plurality of devices 3 to be controlled, and illustration of devices other than the control target is omitted.
- the surplus power information transmitting unit 2 detects the occurrence of surplus power (S 1)
- the surplus power information is transmitted to the device control apparatus 1 via the transmission path s 1 (S 2).
- the surplus power information includes information indicating the amount of surplus power.
- the surplus power information transmitted via the transmission line L s 1 is received by the surplus power information receiving unit 11 and passed to the device control unit 10.
- the device control unit 10 based on the information on the surplus power amount included in the surplus power information and the information on the power consumption amount of the device 3 included in the operation information held in the operation information holding unit 12, the device 3 It is determined whether or not to start a predetermined operation (S 3). Specifically, the device control unit 10 determines that the predetermined operation can be started if the surplus power exceeds the power consumption, and performs the predetermined operation if the surplus power is less than the power consumption. Judgment is impossible.
- the device control unit 10 If it is determined that the operation can be started, the device control unit 10 reads the operation start request command held in the operation information holding unit 12 and transmits a control signal including the command to the device 3 via s2. Send (S 4). On the other hand, if it is determined that it cannot be started, the device control unit 10 stops the subsequent processing.
- control signal received via transmission line L s 2 is received by control signal receiver 31. Then, the command included in the control signal is passed to the control unit 30.
- the control unit 30 controls the execution unit 32 according to the command, and causes the execution unit 32 to execute a predetermined operation (S 5). In this way, the surplus power (surplus power) generated by the photovoltaic power generation unit 100 performs a predetermined operation.
- surplus power fluctuates according to the amount of power generated by the photovoltaic power generation unit 100 and the power demand of the power system W 2. Therefore, the surplus power information transmission unit 2 uses the primary side voltage and the power conditioner 10.
- the surplus power information indicating the fluctuation of surplus power is controlled via the transmission line L s 1 Send to device 1 (S 7).
- the surplus power information includes information indicating the amount of surplus power after fluctuation. .
- the surplus power information transmitted via the transmission line L s 1 is received by the surplus power information receiving unit 11 and passed to the device control unit 10.
- the device control unit 10 based on the information on the surplus power amount after change included in the surplus power information and the information on the power consumption amount of the device 3 included in the operation information held in the operation information holding unit 12. Then, it is determined whether or not the device 3 stops the predetermined operation (S 8). Specifically, the device control unit 10 determines that the predetermined operation is not stopped if the surplus power amount after the fluctuation exceeds the power consumption amount, and the surplus power amount after the fluctuation is less than the power consumption amount. It is determined that the predetermined operation is stopped.
- the device control unit 10 If it is determined to stop, the device control unit 10 reads the operation stop request command held in the operation information holding unit 12 and sends the control signal including the command to the device 3 via the transmission line L s 2. (S9). On the other hand, if it is determined not to stop, the device control unit 10 stops the subsequent processing.
- the control signal receiving unit 31 receives the control signal transmitted via the transmission path L s 2 and passes the command included in the control signal to the control unit 30.
- the control unit 30 controls the execution unit 3 2 according to the command, and causes the execution unit 3 2 to stop a predetermined operation (S 1 0).
- a predetermined operation S 1 0
- the power purchaser's power business is assumed that the device 3 continues the predetermined operation as it is. In such a case, the device 3 is immediately stopped for a predetermined operation because power must be purchased (supplied) from the power system W 1 of the operator, and as a result, power is not saved.
- surplus power is consumed by causing one to a plurality of devices 3 to perform a predetermined operation, so that it is generated by a private power generation facility such as a solar power generation system.
- the surplus power can be efficiently consumed, and as a result, there is an advantage that power saving can be achieved.
- the generation of surplus power is detected based on whether or not the power conditioner 1001 performs voltage rise suppression, but the surplus power detection method is It is not limited to this. For example, if a notification (message) to stop selling power is sent from the power selling power provider to the device controller t via a data communication network such as the Internet, the notification and Power generation unit 1 0 0 power generation amount and power consumption of device 3 The generation of surplus power can be detected based on the ability.
- the device that consumes surplus power is a rechargeable device 3 ′ that uses a secondary battery (such as a nickel metal hydride battery or a lithium ion battery) as a power source. It is characterized in that the charging of the secondary battery included in the mold device 3 'is controlled.
- a secondary battery such as a nickel metal hydride battery or a lithium ion battery
- the device control apparatus 1 includes a surplus power information receiving unit 11 that receives a surplus power information that is transmitted from the surplus power information transmitting unit 2 and transmitted via s 1.
- the charging operation information holding unit 1 2 ′ holding (storing) the charging operation information related to the electric device 3 ′ and the AC power supplied through the power line LP 1 are converted into DC power, and the charging device 3 ′
- An ACZDC conversion unit 13 to be supplied and a device charge control unit 10 ′ for controlling the AC / DC conversion unit 13 are provided.
- the charging operation information held by the charging operation information holding unit 1 2 ′ is information necessary for controlling the charging operation of the chargeable device 3 ′ to be controlled, specifically, ACZDC converter 1 3 Internal commands for starting and stopping operation, internal commands for adjusting output voltage and output current, and voltage value and current of DC power necessary for charging secondary battery of rechargeable device 3 ' Information such as values.
- the device charge control unit 1 0 ′ When the surplus power information reception unit 1 1 receives the surplus power information transmitted from the surplus power information transmission unit 2 and passes it to the device charge control unit 1 0 ′, the device charge control unit 1 0 ′ The amount of surplus power included in the surplus power information and the amount of power necessary for charging the secondary battery of the rechargeable device 3 ′ included in the charging operation information held in the charging operation information holding unit 1 2 ′ (charging energy) ) And if the surplus power exceeds the charge power, the conversion operation is performed by giving the ACZDC conversion unit 13 the internal command read from the charge operation information holding unit 12 '. On the other hand, if the surplus power amount is lower than the charging power amount, the device charging control unit 10 'stops the subsequent processing.
- surplus power can be efficiently consumed by charging the secondary battery of the rechargeable electrical device 3 ′ using surplus power.
- the control of the device control apparatus 1 in the first embodiment is executed by the device control apparatus 1 in the present embodiment.
- the operation information held in the operation information holding unit 1 2 ′ of the device control device 1 in the first embodiment is held in the charging operation information holding unit 1 2 ′ of the device control device 1 in the present embodiment.
- the device charging control unit 10 if the device charging control unit 10 'executes the processes performed by the device control unit 10 of the device control apparatus 1 in the first embodiment in parallel, it performs a predetermined operation on the non-rechargeable device 3.
- the surplus power can be consumed and at the same time the rechargeable device 3 ′ can perform the charging operation to consume the surplus power.
- the power control system of this embodiment includes a power storage device 1 0 3 for storing the DC power that will be generated by the photovoltaic power generation unit 1 0 0 As shown in FIG. 5 (energy storage), the solar power generator 1 0 0 DC power generated by the power storage device 1 0 3 and DC distribution line L p 2 in house H, DC distribution board 1 0 2 branching to power conditioner 1 0 1 and DC distribution line L p 2 This is different from the power control system of Embodiment 1 in that it includes DC equipment 4 (41 to 4 3) that uses (consumes) DC power supplied (powered) via the power supply.
- DC equipment 4 41 to 4 3
- the power conditioner 10 0 1 in this embodiment is purchased not only through an inverter that converts the DC power generated by the photovoltaic power generation unit 100 0 into AC power, but also through the distribution board 2 0 0. It has an A CZ DC converter (not shown) that converts AC power supplied from the power grid W 1 of the electric power company to DC power.
- the DC power converted by the AC conditioner DC converter of the conditioner 10 0 1 is supplied from the DC distribution board 10 2 to the DC equipment 4 through the DC distribution path p 2.
- the power storage device 103 includes, for example, a lead storage battery and a protection device that protects the lead storage battery from overcharge and overdischarge.
- DC distribution board 10 2 is a direct current breaker (not shown) for separating photovoltaic power generation unit 100 and power conditioner 1 0 1 from power storage device 1 0 3 and DC distribution line L p 2 It has.
- the DC device 4 has the same configuration (control unit, control signal receiving unit, execution unit) as the AC device 3 shown in Fig. 1 except that the power used is DC power. Detailed illustration and description of the configuration are omitted.
- the power generated by the photovoltaic power generation unit 100 is supplied from the DC distribution board 100 to the DC distribution path and supplied to the DC device 4 via p 2 and distributed.
- the power storage device 1 0 3 is charged, and the amount of generated power exceeding the storage capacity of power storage device 10 3 is sold (reverse power flow) to the power grid W 2 of the power supplier. If the power consumed exceeds the amount of power generated by the solar power generation unit 100 and the amount of power stored in the power storage device 103, the power supplied (purchased) from the power grid W1 of the power supplier is divided.
- Power is supplied to the device 3 through the power board 2 0 0 and also supplied to the DC device 4 through the power conditioner 1 0 1 and the DC distribution board 1 0 2.
- the power generated by the solar power generation unit 100, the power stored in the power storage device 103 and the power consumed by the DC device 4 can be detected by the DC distribution board 100.
- the power consumed by the device 3 can be detected by the distribution board 2 0 0, and the information detected by the DC distribution board 1 0 2 is transmitted to the distribution board 2 0 0. 0 0 can calculate surplus power in house H.
- FIG. 5 only three AC devices 3 and four DC devices 4 are shown. is not.
- the device control apparatus 1 according to the present embodiment is common to the device control apparatus 1 according to the first embodiment in that the device control section 10 and the surplus power information receiving section 11 are provided as shown in FIG.
- a difference is that a surplus power usage destination candidate list holding unit 14 for holding a surplus power usage destination candidate list is provided instead of the operation information holding unit 12.
- FIG. 4 the illustration of the DC device 4 is omitted.
- the surplus power usage destination candidate list holding unit 14 is composed of a rewritable nonvolatile semiconductor memory (for example, a flash memory) in the same manner as the operation information holding unit 12.
- the surplus power usage destination candidate list holding unit 14 holds the surplus power usage destination candidate list in order to control the controlled device 3 (33-3C) and the DC device 4 (41-4 3).
- a list of necessary information specifically, commands for starting or stopping the predetermined operations of the devices 3 a to 3 c and the DC devices 4 1 to 4 3, respectively, and when the operations are performed This is a list in which information such as the amount of power consumed is associated with identification information (ID) of each device 3a to 3c and DC devices 4 1 to 4 3.
- ID identification information
- the device control unit 10 stores the surplus power amount included in the surplus power information.
- Information and surplus power usage destination candidate list holding unit 14 and information on the power consumption of devices 3a to 3c and direct current devices 4 1 to 43 included in the surplus power usage destination candidate list held in 4 Based on this, the combination of equipment 3 and DC equipment 4 that can use surplus power most efficiently is selected.
- the device control unit 10 first determines whether or not the surplus power amount exceeds the minimum power consumption amount in the surplus power use destination candidate list, and if not, the subsequent processing is performed. Cancel.
- the device control unit 1 When the excess power amount exceeds the minimum power consumption in surplus electricity using destination candidate list, the device control unit 1 0, among the respective devices 3 and the DC device 4 in surplus power use destination candidate list The combination of the device 3 and the DC device 4 is selected so that the sum of the power consumption amounts is less than or equal to the surplus power amount and the difference between the sum and surplus power amount is minimized. Further, the device control unit 10 includes an operation start request command read from the surplus power use destination candidate list holding unit 14 and starts a destination address in order to cause the selected device 3 and the DC device 4 to start predetermined operations. The control signal in which the identification code of each device 3 and DC device 4 is set is sent to the transmission line L s 2.
- Each device 3 and the DC device 4 perform a predetermined operation according to the command included in the control signal only when the identification code set in the destination address of the control signal matches the identification code of its own. At this time, surplus power from the solar power generation unit 100 is fed to the DC device 4 via the DC distribution path LP 2 and surplus power from the solar power generation unit 100 is fed to the power conditioner 1 0 to the device 3. After being converted into AC power at 1, power is supplied through the power line L p 1.
- the power consumption in the device control unit 10 is as follows. Use a combination of equipment 3 or DC equipment 4 whose total amount does not exceed surplus power By selecting a candidate and allowing the selected devices 3 and DC devices 4 to perform a predetermined operation, surplus power can be used more efficiently and efficiently.
- the time when surplus power is generated based on the power generation amount and power demand of the photovoltaic power generation unit 100, surplus power prediction information for predicting the surplus power amount, and the fact that surplus power has actually occurred are A surplus power prediction information transmitting unit 2 ′ that transmits the surplus power information shown to the device control apparatus 1 via s 1 is provided in the distribution board 2 200 (see FIG. 6).
- the surplus power prediction information transmission unit 2 ′ has a pattern (time zone) in which the power conditioner 1 0 1 suppresses voltage rise in one day, and a pattern (time zone) of the generated power of the solar power generation unit 1 0 0 Power generation amount) and the pattern of power consumed by each device 3 (including DC device 4. Same applies hereinafter) during normal times (power consumption per time period) and the remaining power storage allowance of power storage device 1 0 3 Based on the capacity, the time when surplus power is estimated to be generated in each time zone (for example, every 1 to several hours) of 1 ⁇ and the surplus power generated at that time are predicted.
- the method for predicting the generation time of surplus power and the amount of surplus power is not limited to this.
- the device control apparatus 1 receives the surplus power prediction information and surplus power information transmitted from the surplus power prediction information transmitting unit 2 ′ via the signal line L s 1 and transmits the information to the device control unit 1
- the surplus power prediction information receiving unit 1 1 ′ passed to 0 is provided.
- the surplus power is used candidate excess power used destination candidate list list holder 1 4 holds, the device 3 used for the destination candidate startup time from power-off (standby mode) in the embodiment ( Start-up time) and a command to start the device 3 are included as surplus power information.
- the surplus power information prediction receiving unit 1 1 ′ receives the surplus power prediction information predicted and transmitted by the surplus power prediction information transmitting unit 2 ′ and passes it to the device control unit 10, the device control unit 10 0 Based on the predicted value of the surplus power included in the power forecast information and the surplus power usage destination candidate list holding unit 14 and the power consumption of the device 3 included in the surplus power usage destination candidate list held in 4 Select the combination of equipment 3 that can use the quantity (predicted value) most efficiently. Specifically, the device control unit 10 first determines whether or not the surplus power amount (predicted value) exceeds the minimum power consumption amount in the surplus power use destination candidate list. Cancel the process.
- the device control unit 10 determines whether the surplus power usage destination candidate list among the devices 3 in the surplus power usage destination candidate list. Each power consumption The combination of devices 3 is selected so that the sum of the amounts is less than the surplus power (predicted value) and the difference between the sum and surplus power (predicted value) is the smallest. Furthermore, the device control unit 10 transmits a control signal including a start command to the selected device 3 at a timing earlier than the time (predicted time) when surplus power is generated by the start time of the device 3. As a result, the device 3 is activated before the predicted time.
- surplus power prediction information transmission unit 2 ′ actually detects the generation of surplus power and transmits surplus power information
- device control unit 1 that has received the surplus power information through surplus power prediction information reception unit 1 1 ′ 0 sends the operation start request command read from the surplus power usage destination candidate list holding unit 14 to each selected device 3, and the device 3 that receives the command uses (consumes) the surplus power. Then, a predetermined operation is performed.
- the time at which surplus power is generated and the amount of surplus power are predicted, and the device 3 is activated in advance in accordance with the timing at which surplus power is generated.
- FIG. 7 shows the system configuration of the power control system including the electric device 5 of the present embodiment, but the same reference numerals are given to the same components as those of the system configuration of the first embodiment, and the illustration and illustration are appropriately performed. Description is omitted.
- the electrical device 5 includes a surplus power information receiving unit 51 that receives surplus power information transmitted from the surplus power information transmitting unit 2 installed in the distribution board 200 via the signal line L s 1.
- a control unit 50 having a microcomputer as a main component, an execution unit 52 for executing a predetermined operation, and an operation information holding unit 5 3 composed of a rewritable nonvolatile semiconductor memory such as a flash memory, And a switch operation unit 54.
- the control unit 50 receives the surplus power information from the surplus power information receiving unit 51, and sends the surplus power information to the execution unit 52 based on the surplus power information and the operation information held (stored) by the operation information holding unit 53.
- Control to start or stop the specified operation by giving an internal command (hereinafter referred to as “automatic control when surplus power is generated”).
- the operation information held by the operation information holding unit 53 is the internal command for causing the execution unit 52 to start or stop the predetermined operation, and the amount of power consumed when the operation is performed. It is information such as.
- the control unit 50 executes the execution unit 52 when the operation to be executed by the execution unit 52 by automatic control when surplus power is generated comes to the scheduled time set for each predetermined interval.
- predetermined operation j is, for example, a defrosting operation or an ice making operation when the electrical device 5 is a refrigerator, and the room temperature is the set temperature when the electrical device 5 is an air conditioner (air conditioner). In this way, if the electrical device 5 is an air purifier, the operation to clean the room air or the operation to clean the internal filter, etc. If the electrical device 5 is a personal computer, An error check or defragmentation operation of a storage device such as a disk device.
- the switch operation unit 5 4 has switches that can be operated by humans, such as dip switches and push button switches, and an operation input that switches between enabling and disabling automatic control when surplus power is generated when the switch is operated. Is output to the control unit 50. That is, when the switch operation unit 54 receives an operation input that enables automatic control when surplus power is generated, the operation mode of the control unit 50 is set to ON, and the switch operation unit 54 is When an operation input for disabling automatic control is accepted, the operation mode of the control unit 50 is set to off.
- the control unit 50 When the operation mode is set to OFF, the control unit 50 does not perform automatic control when surplus power is generated even if it receives surplus power information from the surplus power information receiving unit 51. However, even if the operation mode is set to off, the execution unit 52 is caused to execute the automatic operation when surplus power is generated, and the execution unit 52 performs the operation when the scheduled time is reached as described above. If the operation is programmed (for example, defrosting a refrigerator or cleaning an air conditioner), the control unit 50 gives an internal command to the execution unit 52 at the scheduled time to execute the predetermined operation. Let go.
- the control unit 50 performs automatic control when surplus power is generated when the surplus power information is received from the surplus power information receiving unit 51. Specifically, in the control unit 50, if the surplus power amount included in the surplus power information exceeds the power consumption amount included in the operation information held in the operation information holding unit 53, the execution unit 5 An internal command is given to 2 to start the specified operation. If the surplus power is less than the power consumption, the automatic control process is stopped without giving the internal command.
- the execution unit 52 receives an internal command for starting a predetermined operation from the control unit 50, the execution unit 52 uses (consumes) the surplus power supplied via the power line L p 1 and executes a predetermined operation.
- the operation that is executed by the execution unit 52 by the automatic control when surplus power is generated is programmed to be executed by the execution unit 52 when the scheduled time arrives as described above (for example, When the above operation is executed by the execution unit 52 at a time different from the scheduled time due to the generation of surplus power, the control unit 50 automatically controls. It is desirable to determine a new scheduled time for each of the intervals starting from the time at which the process was performed, and to change the original scheduled time to the newly determined scheduled time. In other words, it is necessary and sufficient if the defrosting of the refrigerator and the filter cleaning of the air conditioner are performed for each specified interval. Because it will end up.
- the electrical device 5 of the present embodiment when surplus power is generated, the surplus power is consumed by causing the execution unit 52 to perform a predetermined operation. It is possible to efficiently consume the surplus power generated by the equipment, and as a result, it is possible to save power. (Embodiment 6)
- the electric device 5 of the present embodiment is a device that operates using a secondary battery as a power source, such as a DMP (digital music player), an electric shaving machine, or an electric toothbrush, as shown in FIG.
- a secondary battery as a power source
- the battery unit 5 7 including the secondary battery and the charging circuit of the secondary battery, or the charging circuit of the battery unit 5 7 starts or stops charging.
- a charging control unit 55 for controlling the charging a charging operation information holding unit 56 for holding information necessary for charging control of the battery unit 57 (charging operation information), an execution unit (not shown), and the like.
- the execution unit (not shown) is a main function of the electric device 5, for example, a function of reading music data stored in a storage medium in DMP and converting it into an electric signal, and a shaving in an electric shaving machine.
- the function of driving the blade, and the function of vibrating the brush in the electric toothbrush are executed.
- the charging operation information held by the charging operation information holding unit 56 is information necessary for the battery unit 5 7 to control the charging operation. Information such as internal commands that start and stop the charging operation in the charging circuit, and the amount of power required for charging.
- the charging control unit 55 is equipped with an automatic charging function that causes the charging circuit of the battery unit 57 to start charging when the remaining capacity of the secondary battery falls below a predetermined threshold value.
- the threshold value is also divided into two threshold values: a first threshold value that is close to full charge and a second threshold value that corresponds to the amount of power consumed by the electrical device 5 approximately once.
- the charging operation information holding unit 56 holds the charging operation information.
- the charging control unit 55 performs charging operation on the battery unit 57 only by receiving surplus power information from the surplus power information receiving unit 51. Without charging, the battery unit 57 is charged only when the remaining capacity of the secondary battery falls below the first threshold value.
- the charging control unit 55 does not cause the battery unit 57 to perform the charging operation only when the remaining capacity of the secondary battery falls below the first threshold value.
- the charge control unit 55 receives the charging operation information in which the surplus power amount included in the surplus power information is held in the charging operation information holding 56. If the power consumption included in the battery is exceeded, an internal command is given to the battery unit 57 to start the charging operation, but if the surplus power is less than the power consumption, the internal command is not given. Cancel the process.
- the charging circuit charges (charges) the secondary battery using the surplus power supplied via the power line Lp1. To do. Even in this case, it goes without saying that the charging controller 5 5 force battery unit 5 7 performs charging operation when the remaining capacity of the secondary battery falls below the second threshold value. Absent.
- surplus power can be efficiently consumed by charging the secondary battery of the battery unit 57 using the surplus power. If the control unit 50, the execution unit 52, and the operation information holding unit 53 in the fifth embodiment are provided in the electric device 5 of the present embodiment, the surplus power is not only charged by the secondary battery but also the predetermined operation by the execution unit 52. Can also be used for the execution of power, making it possible to efficiently use surplus power.
- some or all of these power lines L 1 and L 2 may be shared by the two power systems W 1 and W 2.
- the power purchase destination power company and the power sale destination power company have been described as separate power companies, but they may be the same power company. In that case, the power meter M 1 for power purchase and the power meter M 2 for power sale are connected in series to a power line commonly used for power purchase and power sale.
- a house is described as an example of a place where the power control system is applied.
- the present invention is not limited to this, and it is also installed in an apartment building such as a condominium or an office building. It is also possible to apply.
- the above device control apparatus specifically includes a computer system including a microprocessor, ROM, RAM, hard disk unit, display unit, keyboard, mouse, and the like.
- the RAM or hard disk unit stores a computer program.
- the device control apparatus achieves its function by the microprocessor operating according to the computer program.
- the computer program is configured by combining a plurality of instruction codes indicating instructions to the computer in order to achieve a predetermined function.
- Each device is not limited to a computer system including all of a microprocessor, ROM, RAM, hard disk unit, display unit, keyboard, mouse, etc., and is a computer system composed of a part of these. Also good.
- a part or all of the constituent elements constituting the device control apparatus may be constituted by one system LS I (Large Scale Integration).
- System LS I is an ultra-multifunctional LS I manufactured by integrating multiple components on a single chip. Specifically, it is a computer that includes a microprocessor, ROM, RAM, etc. System. A computer program is stored in the RAM. The system LSI achieves its functions by the microprocessor operating according to the computer program.
- each part of the constituent elements constituting the device control apparatus may be individually made into one chip, or may be made into one chip so as to include a part or all of them.
- the system LS I is used here, it may be called IC, LS I, super LS I, or ultra LS I depending on the degree of integration.
- the method of circuit integration is not limited to LSI, and may be realized by a dedicated circuit or a general-purpose processor. Uses a programmable FPGA (Fie Id Progammable Gaming Array) that can be programmed after manufacturing LSI, and a reconfigurable processor that can reconfigure the connection and settings of circuit cells inside the LSI. You may do it.
- FPGA Field Id Progammable Gaming Array
- a part or all of the components constituting the device control device may be configured as an IC card that can be attached to and detached from each device or a single module.
- the Ic force vector or the module is a computer system including a microprocessor, ROM, RAM, and the like.
- the IC card or the module may include the above-mentioned multi-functional SI.
- the IC card or the module achieves its function by the microprocessor operating according to the computer program. This IC card or this module may be tamper resistant.
- the present invention also includes a power control method capable of efficiently consuming surplus power generated by a private power generation facility. Further, it includes a program for realizing these methods by a computer, and also includes a digital signal composed of the computer program.
- Mako the present invention provides a recording medium capable of reading the computer program or the digital signal, such as a flexible disk, a hard disk, a CD-ROM, an MO, a DD, a DVD-ROM, a DVD-RAM, a BD (BI u—ray D isc), including semiconductor memory. It also includes digital signals recorded on these recording media.
- a recording medium capable of reading the computer program or the digital signal, such as a flexible disk, a hard disk, a CD-ROM, an MO, a DD, a DVD-ROM, a DVD-RAM, a BD (BI u—ray D isc), including semiconductor memory. It also includes digital signals recorded on these recording media.
- the computer program or the digital signal can be transmitted via an electric communication line, a wireless or wired communication line, a network represented by the Internet, data broadcasting, or the like.
- the invention also shall apply in computer cis ⁇ beam having a microprocessor and a memory, the memory storing the computer program, the microprocessor may operate according to the computer program .
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10815051.7A EP2477300B1 (en) | 2009-09-10 | 2010-08-30 | Power control system and electric device |
CN201080040164.7A CN102577008B (zh) | 2009-09-10 | 2010-08-30 | 电力控制系统及电气设备 |
US13/395,200 US9065301B2 (en) | 2009-09-10 | 2010-08-30 | Power control system and electric device |
SG2012018073A SG179139A1 (en) | 2009-09-10 | 2010-08-30 | Power control system and electric device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009209639A JP2011061992A (ja) | 2009-09-10 | 2009-09-10 | 電力制御システム並びに電気機器 |
JP2009-209639 | 2009-09-10 |
Publications (1)
Publication Number | Publication Date |
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WO2011030195A1 true WO2011030195A1 (ja) | 2011-03-17 |
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PCT/IB2010/002115 WO2011030195A1 (ja) | 2009-09-10 | 2010-08-30 | 電力制御システム並びに電気機器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9065301B2 (ja) |
EP (1) | EP2477300B1 (ja) |
JP (1) | JP2011061992A (ja) |
CN (1) | CN102577008B (ja) |
SG (1) | SG179139A1 (ja) |
WO (1) | WO2011030195A1 (ja) |
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WO2013062016A1 (ja) * | 2011-10-24 | 2013-05-02 | パナソニック株式会社 | 負荷制御装置、プログラム、負荷制御システム |
JP2013110951A (ja) * | 2011-10-24 | 2013-06-06 | Panasonic Corp | 負荷制御装置、プログラム、負荷制御システム |
EP2773008A4 (en) * | 2011-10-24 | 2015-07-15 | Panasonic Ip Man Co Ltd | VOLTAGE CONTROL DEVICE, PROGRAM AND LOAD CONTROL SYSTEM |
US10116142B2 (en) | 2011-10-24 | 2018-10-30 | Panasonic Intellectual Property Management Co., Ltd. | Load control apparatus, program, method, and system |
WO2013121700A1 (ja) * | 2012-02-15 | 2013-08-22 | 三菱電機株式会社 | 需要家内電力分配システムおよび需要家内電力分配方法 |
WO2014034391A1 (ja) * | 2012-09-03 | 2014-03-06 | 株式会社 東芝 | エネルギー管理システム、サーバ、エネルギー管理方法および記憶媒体 |
US9824409B2 (en) | 2012-09-03 | 2017-11-21 | Kabushiki Kaisha Toshiba | Energy management system, server, energy management method, and storage medium |
JP2014096866A (ja) * | 2012-11-07 | 2014-05-22 | Toshiba Corp | エネルギー管理システム、エネルギー管理方法、プログラムおよびサーバ装置 |
WO2017109947A1 (ja) * | 2015-12-25 | 2017-06-29 | 三菱電機株式会社 | 制御装置、給湯機の制御方法及びプログラム |
JPWO2017109947A1 (ja) * | 2015-12-25 | 2018-04-12 | 三菱電機株式会社 | 制御装置、給湯機の制御方法及びプログラム |
Also Published As
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US20120203387A1 (en) | 2012-08-09 |
EP2477300B1 (en) | 2018-02-14 |
JP2011061992A (ja) | 2011-03-24 |
SG179139A1 (en) | 2012-04-27 |
EP2477300A1 (en) | 2012-07-18 |
CN102577008A (zh) | 2012-07-11 |
CN102577008B (zh) | 2015-04-01 |
US9065301B2 (en) | 2015-06-23 |
EP2477300A4 (en) | 2016-09-07 |
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