WO2016084903A1 - 電力管理装置、電力管理システム、電力管理方法、及び、プログラム - Google Patents
電力管理装置、電力管理システム、電力管理方法、及び、プログラム Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 claims abstract description 50
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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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
- H02J13/00004—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the power network being locally controlled
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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
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00028—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
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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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/003—Load forecast, e.g. methods or systems for forecasting future load demand
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
-
- 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
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
-
- 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
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
-
- 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 power management apparatus, a power management system, a power management method, and a program.
- Patent Document 1 An attempt has been made to suppress the peak of power (W) received from commercial power. A related technique is disclosed in Patent Document 1.
- Patent Document 1 discloses a technique for suppressing a power peak due to a system including a plurality of loads.
- the operation time of each of the plurality of loads is made the minimum necessary, and the operation schedule of the plurality of loads is created so that the operation time of each load does not overlap as much as possible. And based on the said operation schedule, operation
- JP 2002-79295 A Japanese Patent No. 3403368 Special table 2014-503878 Special table 2014-501970 Special table 2014-507018
- Patent Document 1 it is possible to avoid the inconvenience that the power (W) received from the commercial power source and consumed exceeds a predetermined threshold by appropriately creating an operation schedule.
- this technology is based on the premise that control is performed so that the total power consumption by each of the plurality of loads is equal to or less than a threshold value of power consumed by receiving power from the commercial power source. This assumption may be burdensome for the user.
- This invention makes it a subject to provide the new technique for reducing the problem that the electric power (W) received and consumed from a commercial power source exceeds a predetermined threshold value.
- Load monitoring means for specifying a timing at which the power consumption of a predetermined load existing in the unit power network exceeds a predetermined value before the timing;
- a power storage system control means for controlling a power storage system for supplying power into the unit power network, and starting power supply a predetermined time before the timing;
- a power management apparatus is provided.
- a power management system including the power management apparatus and a power storage system that supplies power to a unit power network.
- Computer Load monitoring means for specifying a timing at which the power consumption of a predetermined load existing in the unit power network exceeds a predetermined value before the timing;
- a power storage system control means for controlling a power storage system for supplying power to the unit power network, and starting power supply a predetermined time before the timing;
- a program for functioning as a server is provided.
- Each unit included in the apparatus according to the present embodiment includes a CPU (Central Processing Unit) of an arbitrary computer, a memory, a program loaded in the memory (a program stored in the memory from the stage of shipping the apparatus in advance, a CD ( Compact Disc) and other storage media and programs downloaded from servers on the Internet), storage units such as hard disks that store the programs, and any combination of hardware and software, mainly a network connection interface It is realized by. It will be understood by those skilled in the art that there are various modifications to the implementation method and apparatus.
- a CPU Central Processing Unit
- FIG. 1 is a diagram conceptually illustrating an example of a hardware configuration of an apparatus according to the present embodiment.
- the apparatus according to the present embodiment includes, for example, a CPU 1A, a RAM (Random Access Memory) 2A, a ROM (Read Only Memory) 3A, a display control unit 4A, a display 5A, and operation reception that are connected to each other via a bus 10A.
- other elements such as an input / output interface connected to an external device by wire, a microphone, and a speaker may be provided.
- the CPU 1A controls the entire computer of the apparatus together with each element.
- the ROM 3A includes an area for storing programs for operating the computer, various application programs, various setting data used when these programs operate.
- the RAM 2A includes an area for temporarily storing data, such as a work area for operating a program.
- the auxiliary storage device 9A is, for example, an HDD (Hard Disc Drive), and can store a large amount of data.
- the display 5A is, for example, a display device (LED (Light Emitting Diode) display, liquid crystal display, organic EL (Electro Luminescence) display, etc.).
- the display 5A may be a touch panel display integrated with a touch pad.
- the display control unit 4A reads data stored in a VRAM (Video RAM), performs predetermined processing on the read data, and then sends the data to the display 5A to display various screens.
- the operation reception unit 6A receives various operations via the operation unit 7A.
- the operation unit 7A includes operation keys, operation buttons, switches, a jog dial, a touch panel display, a keyboard, and the like.
- the communication unit 8A is wired and / or wirelessly connected to a network such as the Internet or a LAN (Local Area Network) and communicates with other electronic devices.
- the present inventor uses a power storage system that has become widespread in recent years, and has a disadvantage that the power (W) received and consumed from a commercial power source exceeds a predetermined threshold (hereinafter sometimes referred to as a “commercial power source threshold”).
- a commercial power source threshold a predetermined threshold
- the technology to reduce was examined.
- “power consumed by receiving power from a commercial power supply (W)” may be simply referred to as “power consumption from a commercial power supply”.
- the total power consumption (W) by each of a plurality of loads (hereinafter sometimes referred to as “load total power consumption”) is expressed as “commercial power supply threshold value” and “maximum output of power storage system”.
- the amount of power (Wh) that can be supplied from the power storage system is finite. For this reason, it is preferable to limit power supply from the power storage system at unnecessary timing. If the power supply from the power storage system is continued even when the power consumption from the commercial power supply does not exceed the commercial power supply threshold, the remaining amount of the power storage system can be reduced at an early timing. As a result, there may be a problem that the remaining power becomes insufficient at the timing when the power consumption from the commercial power supply may exceed the commercial power supply threshold, and the power cannot be supplied from the power storage system.
- the present inventor examined a technique for supplying power at an appropriate timing instead of always supplying power from the power storage system. Specifically, while the power consumption of a predetermined load (e.g., power consumption is a predetermined value or more) exceeds a predetermined value (e.g., while power is applied (power ON)), the power from the power storage system The technology to supply was examined.
- a predetermined load e.g., power consumption is a predetermined value or more
- a predetermined value e.g., while power is applied (power ON)
- the power consumption of a load whose power consumption is a predetermined value or more is large in the total load power consumption. For this reason, as shown in FIG. 2, when such a predetermined load is turned on (operating), the possibility that the total load power consumption exceeds the commercial power supply threshold is increased.
- shaft of FIG. 2 shows the total of the power consumption from the commercial power supply by a some load, and a horizontal axis shows time.
- a circle A indicates the timing when the power supply of a predetermined load is turned on, and X indicates a commercial power supply threshold value.
- this inventor examined the means to detect that the power consumption of a predetermined
- the power supply from the power storage system may not be in time, and the total power consumption from the commercial power supply by a plurality of loads may exceed the commercial power supply threshold. Details will be described below.
- t1 be the time from the timing when the power supply of a predetermined load is turned on to the timing when the power consumption of the predetermined load becomes a predetermined value (w1).
- V1 the power consumption increase rate of the predetermined load from when the power is turned on until the power consumption reaches a predetermined value (w1) is represented by w1 / t1.
- t2 be the time from the timing when the power supply of the power storage system is started to the timing when the output power reaches a predetermined value (w1).
- V2 the output power increase rate (V2) of the power storage system from when the power supply is started until the output power reaches a predetermined value (w1) is represented by w1 / t2.
- Some of the predetermined loads satisfy V2 ⁇ V1.
- power supply from the power storage system is started in response to detection that a predetermined load is turned on, power supply from the power storage system is not in time, and a plurality of loads
- the total power consumption from the commercial power supply may exceed the commercial power supply threshold value X, albeit temporarily.
- the information indicated by the vertical axis, the horizontal axis, and the circles A and X in the upper diagram in FIG. 3 is the same as that in FIG. 3 indicates the output power of the power storage system (that is, the total power consumption from the power storage system by a plurality of loads), and the horizontal axis indicates time.
- a circle A indicates the timing when the power supply of a predetermined load is turned on.
- the power management apparatus of the present embodiment is configured to be able to reduce such inconvenience. Specifically, the power management apparatus according to the present embodiment identifies a timing at which the power consumption of a predetermined load exceeds a predetermined value (eg, a timing at which the power is turned on) before the timing. And the power management apparatus of this embodiment starts the electric power supply from an electrical storage system in the predetermined time before the said timing. Thereby, as shown in FIG. 4, the inconvenience that the total power consumption from the commercial power supply by a plurality of loads exceeds the commercial power supply threshold value X is reduced. In addition, the information which the vertical axis
- the power supply from the power storage system is started a predetermined time td before the ON timing A when the power supply of the predetermined load is turned ON. And according to the electric power supply from this electrical storage system, the power consumption from a commercial power source is falling (upper side of FIG. 4). For this reason, even when the power of the predetermined load is turned ON at the ON timing A and the power consumption from the commercial power supply increases accordingly, the inconvenience that the increased value exceeds the commercial power supply threshold value X can be reduced.
- the power management system of this embodiment includes a power management device 1 and a power storage system 2.
- the power management system may further include at least one of the server 4 and the monitoring device 6.
- the power management device 1, the power storage system 2, and the monitoring device 6 are provided for each predetermined unit that consumes power (hereinafter sometimes referred to as “power consumption unit”).
- the power consumption unit is, for example, a door unit (for example, a unit of a detached house, a unit of an apartment, an apartment, etc.), a facility unit (for example, an apartment unit, an apartment unit, a building unit, a factory unit, a store unit, an amusement facility unit, etc.)
- a unit obtained by arbitrarily subdividing these eg, one or a plurality of floor units of a building
- a group unit obtained by arbitrarily combining them eg, a collective unit in which a plurality of apartments are gathered
- a collective unit in which a plurality of apartments are gathered can be considered.
- FIG. 5 shows a configuration diagram corresponding to one power consumption unit.
- the unit power network 100 is a dedicated power wiring network provided for each power consumption unit, and corresponds to, for example, indoor wiring provided in each door, premise wiring provided in each facility, and the like.
- the unit power network 100 is connected to a commercial power source via a power receiving point. Power is supplied from the commercial power source to the unit power network 100 via the power receiving point.
- the power storage system 2 is connected to the unit power network 100. For this reason, power is supplied from the power storage system 2 to the unit power network 100 (discharge of the power storage system 2), or power is supplied from the unit power network 100 to the power storage system 2 (charging of the power storage system 2).
- a plurality of loads 3 are connected to the unit power network 100.
- the load 3 may be a home appliance such as an air conditioner, a refrigerator, or a television, may be a commercial product such as a commercial refrigerator or a commercial air conditioner, or may be a machine used in a factory. Good. Electric power is supplied from the unit power network 100 to the load 3, and the load 3 operates. Note that at least one of the power management device 1, the power storage system 2, and the monitoring device 6 may also operate by receiving a current flowing through the unit power network 100.
- the power management device 1, the power storage system 2, and the monitoring device 6 are connected to each other via a communication network 200 configured by wire and / or wireless so that communication is possible.
- the power management device 1, the power storage system 2, the server 4, and the monitoring device 6 are connected to each other via a network 5 such as the Internet and can communicate with each other. Further, the monitoring device 6 and at least a part of the load 3 may be communicable by wire and / or wireless.
- the monitoring device 6 monitors the power consumption status within the power consumption unit. For example, the monitoring device 6 communicates with a measurement sensor (not shown) installed near the power receiving point, and monitors the instantaneous value of the total power consumption and / or the total current consumption within the power consumption unit.
- a measurement sensor not shown
- the monitoring device 6 may monitor and control the operating state of each load 3. For example, the monitoring device 6 may monitor whether each of the plurality of loads 3 is in a power-on state or an off-state, and may create and store a usage record indicating an operation state at each time. Moreover, the monitoring device 6 may monitor the operation mode (for example, the sleep mode, the cooling (strong) mode, the cooling (weak) mode, etc.) of the operating load 3 as the operating state, and accumulate it as a usage record. . Further, such usage records may be transmitted to the server 4 and accumulated by the server 4. The usage record may be accumulated in association with attributes of the day (eg, month, day of the week, date, weather, temperature, humidity, etc.).
- attributes of the day eg, month, day of the week, date, weather, temperature, humidity, etc.
- a measurement sensor may be installed for each predetermined load 3. And the monitoring apparatus 6 may identify an operation state based on the instantaneous value of the power consumption and / or current consumption of each load 3 which were acquired from the said measurement sensor. For example, when the instantaneous value is greater than or equal to a predetermined value, the power supply may be specified, and when the instantaneous value is less than the predetermined value, the power supply may be specified.
- the technology disclosed in Japanese Patent No. 3403368 may be used. In this technique, the characteristic amount of the measurement data during operation of each of the plurality of loads 3 is stored in advance.
- the monitoring device 6 changes an instruction signal (for example, an instruction signal for turning on the power supply, an operation mode to “cooling (strong) mode) input from each load 3 to each load 3.
- the operation state of each load 3 at the present time may be specified by obtaining an instruction signal or the like.
- the monitoring device 6 may control the operation (power ON / OFF) of each of the plurality of loads 3. That is, the monitoring device 6 may transmit a power-on instruction input and a power-off instruction input to the load 3 by wired and / or wireless communication. Then, the load 3 may execute power ON / OFF based on the power ON instruction input and the power OFF instruction input received from the monitoring device 6.
- the power management device 1 is based on information acquired from at least one of the predetermined load 3, the server 4, and the monitoring device 6, or information input from the user to the power management device 1.
- the timing at which the power consumption exceeds a predetermined value is specified.
- the power management apparatus 1 controls the power storage system 2 to start power supply a predetermined time before the timing.
- the timing at which the power consumption of the predetermined load 3 exceeds a predetermined value will be described as the timing at which the power supply of the predetermined load 3 is turned on (the timing at which power is applied).
- the timing at which the power consumption of the predetermined load 3 exceeds a predetermined value is not limited to this.
- a predetermined operation mode e.g., cooling (strong) mode among these modes
- Etc. may be the timing at which the power consumption exceeds a predetermined value.
- FIG. 6 shows an example of a functional block diagram of the power management apparatus 1 of the present embodiment.
- the power management device 1 includes a load monitoring unit 10 and a power storage system control unit 20.
- the load monitoring unit 10 identifies the ON timing at which the power source of the predetermined load 3 existing in the unit power network 100 is turned on before the ON timing.
- the predetermined load 3 existing in the unit power network 100 means the load 3 that is connected to the unit power network 100, receives power from the unit power network 100, and operates.
- the “ON timing” is a timing at which the predetermined load 3 starts a normal operation (an operation for achieving the main purpose of the load 3), and a mode in which power consumption is smaller than in a normal operation (such as a standby mode). ) Start is not included in the ON timing.
- the predetermined load 3 is a part of the plurality of loads 3 existing in the unit power network 100.
- the predetermined load 3 may be one or plural.
- the predetermined load 3 may have a power consumption greater than or equal to a predetermined value.
- the predetermined load 3 may have a power consumption of 1/10 or more, 1/5 or more, or 1/3 or more of a commercial power supply threshold value.
- Power consumption of the load 3 is the power consumption when the load 3 is performing a normal operation (operation for achieving the main purpose of the load 3) unless otherwise specified (when there is a range of values) Means a representative value thereof (hereinafter the same).
- the predetermined load 3 may be a predetermined number from the one with the larger power consumption among the plurality of loads 3 existing in the unit power network 100.
- the predetermined load 3 may have a power consumption increase rate (V1) described above that is greater than the output power increase rate (V2) of the power storage system 2 described above.
- V1 and V2 are rising speeds until the power consumption and the output power reach a predetermined value (wd) from 0.
- wd may be determined for each load 3, for example, based on the power consumption of each load 3. For example, the maximum value of the power consumption that each load 3 can take immediately after the power is turned on until a predetermined time elapses may be wd.
- the power consumption (representative value when there is a range of values) when each of the loads 3 is performing a normal operation (operation for achieving the main purpose of the load 3) may be wd.
- the load monitoring unit 10 may store identification information of a predetermined load 3 as shown in FIG.
- the identification information of the predetermined load 3 may be associated with wd corresponding to each load 3.
- the predetermined load 3 when the predetermined load 3 receives an input for turning on the power, for example, a preparation mode in which the power consumption is smaller than that during normal operation is started, and identification information of the own device and a notification for turning on the power are started. May be transmitted to the power management device 1 or the monitoring device 6.
- the predetermined load 3 may turn on the power and start a normal operation after a predetermined time T (seconds) has elapsed since the input was accepted.
- T seconds
- the load monitoring unit 10 When the load monitoring unit 10 receives the notification from the predetermined load 3 or the monitoring device 6, the load monitoring unit 10 specifies after the elapse of T- ⁇ (seconds) as an ON timing at which the power of the predetermined load 3 is turned on.
- ⁇ is an arbitrary value, and is determined in advance in consideration of the time when the notification transmitted from the predetermined load 3 reaches the load monitoring unit 10 and is processed by the load monitoring unit 10. ⁇ may be determined in advance for each predetermined load 3 and registered in the load monitoring unit 10.
- the predetermined load 3 may transmit the identification information of the own device and a notification to turn off the power to the power management device 1 or the monitoring device 6. The predetermined load 3 may then turn off the power.
- the monitoring device 6 transfers the notification to the power management device 1.
- the power management apparatus 1 can specify an approximate OFF timing at which the power supply of the predetermined load 3 is turned off based on the notification.
- the server 4 e.g., cloud server
- the monitoring device 6 uses a predetermined load 3 based on a past use record (an operation record specifying the power ON and OFF timings (time)).
- the operation pattern of the load 3 is specified, and the operation schedule of the predetermined load 3 (at least the ON timing (time) when the power is turned on is determined. Further, the OFF timing (time) may be determined). May be created.
- the monitoring device 6 may control the operation of the predetermined load 3 (power ON / OFF) based on the operation schedule.
- the load monitoring unit 10 acquires an operation schedule of the predetermined load 3 and, based on the operation schedule, sets an ON timing (time) and / or an OFF timing (time) when the power of the predetermined load 3 is turned on. Can be identified.
- Some electric power consumers use a predetermined load 3 at a predetermined time each time. For example, if the power consumer is a general household, turn on the load 3 such as an air conditioner or a TV every day at a fixed time, such as immediately after getting up or when going home, etc. There may be a power consumer who turns off the power supply of the load 3 at a predetermined time. Further, in a facility such as a factory, there may be an electric power consumer who turns on the power supply of the load 3 such as a machine and turns off the power supply of the load 3 at the end time every day at a predetermined time before the start time.
- the server 4 or the monitoring device 6 uses the above-described usage pattern (a time zone in which each load 3 is turned on and a time zone in which the power is turned off) based on the past usage record of the predetermined load 3. And an operation schedule for operating the load 3 in accordance with the usage pattern can be generated. For example, a plurality of past results may be analyzed, and a time zone in which each load 3 is operating with a predetermined probability (for example, 7 days / 10 days) or more may be specified. And you may create the driving schedule which operates the said load 3 in the specified said time slot
- the usage pattern may change according to attributes such as the month, day of the week, weather, season, temperature, and humidity. Therefore, the server 4 or the monitoring device 6 may specify a usage pattern for each combination of predetermined attributes. For example, multiple past achievements are grouped according to attributes, and past achievements are analyzed for each group, and the time zone in which each load 3 is operating with a predetermined probability (eg, 7 days / 10 days) or more is specified. May be. Then, an operation schedule for operating the load 3 in the specified time zone may be created in association with the attribute of the group. In this case, the monitoring device 6 extracts an operation schedule that matches the attribute of the current day, and controls the operation of the load 3 based on the extracted operation schedule. Further, the load monitoring unit 10 can specify the ON timing (time) and / or the OFF timing (time) of the predetermined load 3 based on the extracted operation schedule.
- a predetermined probability eg, 7 days / 10 days
- the user may create an operation schedule for each load 3 in advance and input the schedule to at least one of each load 3, the monitoring device 6, and the power management device 1.
- Each load 3 may operate based on the operation schedule.
- the monitoring apparatus 6 may control operation
- the power management apparatus 1 acquires the operation schedule of the predetermined load 3 and specifies the ON timing (time) and / or the OFF timing (time) when the power of the predetermined load 3 is turned on based on the operation schedule. May be.
- a preset temperature of the air conditioner installation room at a predetermined time is determined in advance (eg, 20 ° C. at 7 o'clock), and the air conditioner is based on the setting and the current temperature of the air conditioner installation room
- the operation schedule (at least the ON timing (time) when the power is turned on) can be determined. And based on the said operation schedule, ON / OFF of the power supply of the load 3 is controllable. Technologies related to this are disclosed in, for example, Special Tables 2014-503878, 2014-501970, and 2014-507018.
- the load monitoring unit 10 acquires an operation schedule indicating the same from the system, and the power source of the predetermined load 3 is turned on based on the operation schedule.
- the ON timing (time) and / or the OFF timing (time) can be specified.
- timing at which the power consumption of the predetermined load 3 exceeds the predetermined value is the other timing described above, it can be specified before the timing by the same method as described above.
- the power storage system control unit 20 controls the power storage system 2 that supplies power into the unit power network 100 and starts power supply a predetermined time td before the ON timing specified by the load monitoring unit 10.
- the predetermined time td may be a predetermined fixed value. In this case, even if the power supply of any predetermined load 3 is turned on, the power supply from the power storage system 2 is started before the same predetermined time td before the ON timing.
- Such a predetermined time td can be determined based on the characteristics of the power storage system 2, for example. For example, the time from when the power supply is started until the maximum output of the power storage system 2 is reached, or the time + ⁇ (arbitrary margin time) may be set as the predetermined time td.
- the predetermined time td may be registered in the power storage system control unit 20 in advance. When the predetermined time td is determined in this way, the output of the power storage system 2 can reach the maximum output from the start of power supply to the ON timing (during time td).
- the predetermined time td is, for example, an arbitrary value within 500 milliseconds (the same applies to the following embodiments).
- the predetermined time td can be changed according to the characteristics of the predetermined load 3 that is turned on. This will be described in the following embodiment.
- the power storage system control unit 20 may control the power storage system 2 so as to continue power supply while the predetermined load 3 is operating.
- the load monitoring unit 10 can specify the OFF timing as described above, for example.
- the power storage system control unit 20 may stop the power supply from the power storage system 2 in accordance with the specification of the OFF timing by the load monitoring unit 10.
- the load monitoring unit 10 monitors the ON timing when the power supply of the predetermined load 3 is turned on (S30). Then, the load monitoring unit 10 specifies the ON timing before the ON timing (S31).
- the power storage system control unit 20 controls the power storage system 2 to start power supply from the power storage system 2 a predetermined time td before the ON timing (S32).
- a predetermined time is exceeded from the timing at which the power consumption of the predetermined load 3 exceeds a predetermined value (eg, the timing at which the power is turned on).
- the power supply from the power storage system 2 can be started before td. That is, the power consumption from the power storage system 2 can be increased before the timing, and the power consumption from the commercial power supply can be reduced.
- the present embodiment is based on the power storage system 2 according to the power consumption after the change of the predetermined load 3 whose power consumption exceeds a predetermined value (for example, the power consumption of the predetermined load 3 after the power is turned on). It has a function of changing a predetermined time td to advance the start of power supply.
- a predetermined value for example, the power consumption of the predetermined load 3 after the power is turned on.
- Other configurations are the same as those of the first embodiment.
- timing at which the power consumption of the predetermined load 3 exceeds a predetermined value is the timing when the power of the predetermined load 3 is turned on (timing when the power is applied)
- timing when the power is applied will be described as an example.
- the timing at which the power consumption of the predetermined load 3 exceeds the predetermined value is the other timing described in the first embodiment, the same operation and effect can be obtained by the same method as described below. realizable.
- FIG. 9 shows an example of a functional block diagram of the power management apparatus 1 of the present embodiment.
- the power management device 1 includes a load monitoring unit 10 and a power storage system control unit 20.
- the power storage system control unit 20 includes a specifying unit 21, a determination unit 22, and a control unit 23.
- the load monitoring unit 10 specifies the ON timing and specifies a predetermined load 3 that is turned on.
- the load monitoring unit 10 can identify the ON timing by the method described in the first embodiment. Further, for example, the load monitoring unit 10 can specify the predetermined load 3 that is turned on based on the identification information of the load 3 included in the notification acquired from the predetermined load 3. As another example, the load monitoring unit 10 may specify the predetermined load 3 that is turned on by specifying the ON timing based on the operation schedule of each of the predetermined loads 3.
- the specifying unit 21 specifies the power consumption by the predetermined load 3 that is turned on.
- the specifying unit 21 acquires information (for example, identification information) that specifies a predetermined load 3 whose power is turned on from the load monitoring unit 10. Then, with reference to the information shown in FIG. 7 described in the first embodiment, the wd associated with the predetermined load 3 is specified as the power consumption.
- the information may be information in which each load 3 is associated with power consumption of each of a plurality of operation modes that each load 3 can take.
- the determining unit 22 determines the predetermined time td based on the power consumption (wd) specified by the specifying unit 21.
- the determination unit 22 determines the time from when the power storage system 2 starts power supply until the power consumption (wd) specified by the specifying unit 21 is reached, or the time + ⁇ (arbitrary margin time) The time td may be determined.
- the predetermined time td is determined in this way, the output of the power storage system 2 is the power consumption (wd) specified by the specifying unit 21 between the start of power supply and the ON timing (during time td). Can reach.
- the determination unit 22 determines a larger predetermined time td as the power consumption (wd) specified by the specifying unit 21 is larger.
- the determination unit 22 may hold correspondence information in which power consumption (wd) is associated with a predetermined time td.
- FIG. 10 shows an example of correspondence information.
- the determination part 22 may extract the predetermined time td corresponding to the power consumption (wd) which the specific
- the determination unit 22 may store a function for calculating the predetermined time td from the power consumption (wd), and may determine the predetermined time td using the function.
- control unit 23 controls the power storage system 2 to start power supply before the predetermined time td determined by the determination unit 22 from the ON timing specified by the load monitoring unit 10.
- the load monitoring unit 10 monitors the ON timing when the power source of the predetermined load 3 is turned on (S10). Then, the load monitoring unit 10 identifies a predetermined load 3 at which the power is turned on and the ON timing before the ON timing (S11).
- the specifying unit 21 specifies the power consumption (wd) of the predetermined load 3 that is turned on (S12). Thereafter, the determining unit 22 determines the predetermined time td based on the power consumption (wd) specified by the specifying unit 21 (S13).
- control unit 23 controls the power storage system 2 to start power supply before the predetermined time td determined by the determining unit 22 from the ON timing specified by the load monitoring unit 10 (S14).
- the predetermined time td that brings forward the start of power supply by the power storage system 2. For example, the time from when the power storage system 2 starts supplying power until the power consumption (wd) specified by the specifying unit 21 is reached, or the time + ⁇ can be determined as the predetermined time td.
- the output of the power storage system 2 is the power consumption specified by the specifying unit 21 (predetermined time) between the start of power supply and the ON timing (during time td).
- the value wd) can be reached. For this reason, the inconvenience that the total power consumption from the commercial power supply by the plurality of loads 3 exceeds the commercial power supply threshold value X can be reduced.
- the output from the power storage system 2 is not started early unnecessarily, wasteful discharge from the power storage system 2 can be suppressed.
- the power management apparatus 1 specifies the timing at which the power consumption of the predetermined load 3 exceeds a predetermined value, the instantaneous power value of the unit power network 100 at that time and the consumption after the change of the predetermined load 3 are determined. It is determined whether the sum with the power exceeds a predetermined threshold. And when exceeding, as demonstrated in 1st and 2nd embodiment, the electric power supply from the electrical storage system 2 is started before the predetermined time td rather than the timing when power consumption exceeds a predetermined value. On the other hand, when it does not exceed, the power supply from the electrical storage system 2 is not performed. Other configurations are the same as those of the first embodiment.
- FIGS. 6 and 9 An example of a functional block diagram of the power management apparatus 1 of the present embodiment is shown in FIGS. 6 and 9 as in the first and second embodiments.
- the power storage system control unit 20 determines whether or not the sum of the instantaneous value of the power consumption in the unit power network 100 and the power consumption by the predetermined load 3 that is turned on exceeds a predetermined threshold value.
- the instantaneous value of power consumption in the unit power network 100 is an instantaneous value at a predetermined time before the ON timing (eg, 30 seconds, 15 seconds, 5 seconds, 3 seconds, etc.).
- the power storage system control unit 20 acquires, from the load monitoring unit 10, information specifying a predetermined load 3 that is turned on and the ON timing. Then, the power storage system control unit 20 refers to the information shown in FIG. 7 and specifies the power consumption (wd) of the predetermined load 3 that is turned on.
- the power storage system control unit 20 specifies an instantaneous value of power consumption in the unit power network 100.
- the instantaneous value can be specified based on information acquired from a measurement sensor or a monitoring device 6 installed near the power receiving point.
- the power storage system control unit 20 determines whether or not the sum of the power consumption (wd) of the predetermined load 3 at which the power is turned on and the instantaneous value exceeds a predetermined threshold (for example, the commercial power supply threshold X). To do. And when exceeding, based on the process demonstrated by 1st and 2nd embodiment, the electric power supply from the electrical storage system 2 is started before predetermined time td rather than ON timing. On the other hand, if not exceeding, power supply from the power storage system 2 is not performed.
- a predetermined threshold for example, the commercial power supply threshold X
- the load monitoring unit 10 monitors the ON timing when the power supply of the predetermined load 3 is turned on (S20). Then, the load monitoring unit 10 identifies the predetermined load 3 at which the power is turned on and the ON timing before the ON timing (S21).
- the power storage system control unit 20 specifies the power consumption (wd) of the predetermined load 3 that is turned on (S22). In addition, the power storage system control unit 20 specifies an instantaneous value of power consumption of the unit power network 100 (S23). Note that the processing order of S22 and S23 may be reversed.
- the power storage system control unit 20 determines whether or not the sum of the power consumption (wd) of the predetermined load 3 at which the power is turned on and the instantaneous value exceeds a predetermined threshold (for example, the commercial power supply threshold X). (S24).
- the process returns to S20, and the load monitoring unit 10 continues to monitor the ON timing.
- the electrical storage system control part 20 determines predetermined time td based on the power consumption (wd) specified by S22 (S25).
- the power storage system control unit 20 and the power storage system 2 are controlled, and power supply is started before the predetermined time td determined in S25 from the ON timing specified by the load monitoring unit 10 (S26).
- S25 may be omitted, and in S26, a process using a predetermined time td (fixed value) determined in common for all the predetermined loads 3 may be performed.
- the predetermined load 3 when the predetermined load 3 is activated, power is not always supplied from the power storage system 2 but is appropriately controlled according to the state of power consumption in the unit power network 100 at that time. be able to.
- the power consumption in the unit power network 100 is large and the total power consumption from the commercial power sources by the plurality of loads 3 may exceed the commercial power threshold value X in response to the activation of the predetermined load 3,
- the power supply from the power storage system 2 is started in conjunction with the activation of the load 3.
- the timing at which the power consumption of the predetermined load 3 exceeds the predetermined value is the timing when the power source of the predetermined load 3 is turned on (timing when the power is applied) has been described as an example.
- the timing at which the power consumption of the predetermined load 3 exceeds the predetermined value is the other timing described in the first embodiment, similar effects can be realized by the same method.
- the load monitoring unit 10 identifies the ON timing of each of the plurality of predetermined loads 3 before the ON timing.
- Other configurations of the load monitoring unit 10 are the same as those in the first to third embodiments.
- the power storage system control unit 20 When the ON timing of a certain predetermined load 3 is specified and the power storage system 2 is not supplying power, the power storage system control unit 20 performs the same processing as in the first to third embodiments. In this case, the power storage system control unit 20 performs processing (S32 in FIG. 8, S12 to S14 in FIG. 11, and S12 to S14 in FIG. 11) to start power supply from the power storage system 2 in response to specification of the ON timing of a predetermined load 3. Steps S22 to S26 in FIG. 12 are executed.
- the power storage system control unit 20 continues the power supply from the power storage system 2 as it is. In this case, the power storage system control unit 20 performs processing (S32 in FIG. 8, S12 to S14 in FIG. 11, and S12 to S14 in FIG. 11) to start power supply from the power storage system 2 in response to specification of the ON timing of a predetermined load 3. Steps S22 to S26 in FIG. 12 are not executed.
- the power storage system control unit 20 also supplies power from the power storage system 2 when an OFF timing of a certain predetermined load 3 is specified, and when the other predetermined load 3 is not in operation, the power storage system The power supply from 2 may be stopped. In this case, the power storage system control unit 20 executes a process of stopping the power supply from the power storage system 2 in accordance with the specification of the OFF timing of a certain predetermined load 3.
- the power storage system control unit 20 stores power when power is being supplied from the power storage system 2 and another predetermined load 3 is in operation when an OFF timing of a predetermined load 3 is specified.
- the power supply from the system 2 may be continued.
- the power storage system control unit 20 does not execute the process of stopping the power supply from the power storage system 2 according to the specification of the OFF timing of a certain predetermined load 3.
- the same operational effects as those of the first to third embodiments can be realized. Further, even when there are a plurality of predetermined loads 3, it is possible to appropriately control the power storage system 2 and reduce the inconvenience that the total power consumption from the commercial power source exceeds the commercial power source threshold value X. Further, unnecessary discharge from the power storage system 2 can be suppressed.
- the timing at which the power consumption of the predetermined load 3 exceeds the predetermined value is the timing when the power source of the predetermined load 3 is turned on (timing when the power is applied) has been described as an example.
- the timing at which the power consumption of the predetermined load 3 exceeds the predetermined value is the other timing described in the first embodiment, similar effects can be realized by the same method.
- Load monitoring means for specifying a timing at which the power consumption of a predetermined load existing in the unit power network exceeds a predetermined value before the timing;
- a power storage system control means for controlling a power storage system for supplying power into the unit power network, and starting power supply a predetermined time before the timing;
- a power management device 2.
- the power storage system control means includes Specifying means for specifying power consumption or current consumption by the predetermined load; Determining means for determining the predetermined time based on the power consumption or the current consumption specified by the specifying means; Control means for controlling the power storage system and starting power supply a predetermined time before the timing; A power management device. 3.
- the determination means refers to correspondence information in which time is associated with the power consumption or the current consumption, and the power corresponding to the power consumption or the current consumption specified by the specifying means is determined as the predetermined time. Management device. 4).
- the power storage system control means includes When the sum of the instantaneous value of power consumption or current consumption in the unit power network and the power consumption or current consumption by the predetermined load exceeds a predetermined threshold, the power storage system is controlled, and a predetermined time before the timing Power management device that starts power supply. 5.
- the power management apparatus wherein the predetermined time is within 500 milliseconds. 6).
- the power management apparatus wherein the timing is a timing at which a power supply of the predetermined load is applied. 7).
- Computer A load monitoring step for identifying a timing at which the power consumption of a predetermined load existing in the unit power network exceeds a predetermined value before the timing;
- the power management method In the power storage system control step, A specific step of specifying power consumption or current consumption by the predetermined load; A determining step of determining the predetermined time based on the power consumption or the current consumption specified in the specifying step; A control step of controlling the power storage system and starting power supply a predetermined time before the timing; Power management method to perform. 8-3.
- the determination step In the power management method described in 8-2, In the determination step, the correspondence information in which time is associated with the power consumption or the current consumption is referred to, and the time corresponding to the power consumption or the current consumption specified in the specific step is determined as the predetermined time. Management method. 8-4.
- the power storage system control step When the sum of the instantaneous value of power consumption or current consumption in the unit power network and the power consumption or current consumption by the predetermined load exceeds a predetermined threshold, the power storage system is controlled, and a predetermined time before the timing Power management method to start power supply. 8-5.
- the power management method, wherein the predetermined time is within 500 milliseconds. 8-6.
- the power management method, wherein the timing is a timing at which a power supply of the predetermined load is applied. 9.
- Computer Load monitoring means for specifying a timing at which the power consumption of a predetermined load existing in the unit power network exceeds a predetermined value before the timing;
- a power storage system control means for controlling a power storage system for supplying power to the unit power network, and starting power supply a predetermined time before the timing; Program to function as. 9-2.
- the power storage system control means A specifying means for specifying power consumption or current consumption by the predetermined load; Determining means for determining the predetermined time based on the power consumption or the current consumption specified by the specifying means; Control means for controlling the power storage system and starting power supply a predetermined time before the timing, Program to function as. 9-3.
- the power storage system control means In the power storage system control means, When the sum of the instantaneous value of power consumption or current consumption in the unit power network and the power consumption or current consumption by the predetermined load exceeds a predetermined threshold, the power storage system is controlled, and a predetermined time before the timing Program to start power supply. 9-5.
- the program in which the predetermined time is within 500 milliseconds. 9-6.
- the timing is a program in which the power source of the predetermined load is applied. 10.
- a monitoring device that detects a timing at which power consumption exceeds a predetermined value and transmits the detected timing to a power management device that controls the power storage system.
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Abstract
Description
単位電力網内に存在する所定の負荷の消費電力が所定の値を超えるタイミングを、前記タイミングよりも前に特定する負荷監視手段と、
前記単位電力網内に電力を供給する蓄電システムを制御し、前記タイミングよりも所定時間前に電力供給を開始させる蓄電システム制御手段と、
を有する電力管理装置が提供される。
コンピュータが、
単位電力網内に存在する所定の負荷の消費電力が所定の値を超えるタイミングを、前記タイミングよりも前に特定する負荷監視工程と、
前記単位電力網内に電力を供給する蓄電システムを制御し、前記タイミングよりも所定時間前に電力供給を開始させる蓄電システム制御工程と、
を実行する電力管理方法が提供される。
コンピュータを、
単位電力網内に存在する所定の負荷の消費電力が所定の値を超えるタイミングを、前記タイミングよりも前に特定する負荷監視手段、
前記単位電力網内に電力を供給する蓄電システムを制御し、前記タイミングよりも所定時間前に電力供給を開始させる蓄電システム制御手段、
として機能させるためのプログラムが提供される。
まず、本実施形態の概要について説明する。本発明者は、近年普及している蓄電システムを利用して、商用電源から受電して消費する電力(W)が所定の閾値(以下、「商用電源閾値」という場合がある)を超える不都合を軽減する技術を検討した。以下では、「商用電源から受電して消費する電力(W)」を、単に、「商用電源からの消費電力」という場合がある。
本実施形態は、消費電力が所定の値を超える所定の負荷3の変化後の消費電力(例:電源がONになった後の所定の負荷3の消費電力)に応じて、蓄電システム2による電力供給の開始を前倒しする所定時間tdを変更する機能を有する。その他の構成は、第1の実施形態と同様である。
本実施形態の電力管理装置1は、所定の負荷3の消費電力が所定の値を超えるタイミングを特定すると、その時点における単位電力網100の電力瞬時値と、当該所定の負荷3の変化後の消費電力との和が所定の閾値を超えるか判断する。そして、超える場合、第1及び第2の実施形態で説明したように、消費電力が所定の値を超えるタイミングよりも所定時間td前に蓄電システム2からの電力供給を開始させる。一方、超えない場合、蓄電システム2からの電力供給を行わない。その他の構成は、第1の実施形態と同様である。
本実施形態では、所定の負荷3が複数ある場合の処理について説明する。本実施形態の機能ブロック図の一例は、図6又は図9で示される。
第1乃至第4の実施形態における、電力を電流に置き換えても同様の作用効果が得られる。
1. 単位電力網内に存在する所定の負荷の消費電力が所定の値を超えるタイミングを、前記タイミングよりも前に特定する負荷監視手段と、
前記単位電力網内に電力を供給する蓄電システムを制御し、前記タイミングよりも所定時間前に電力供給を開始させる蓄電システム制御手段と、
を有する電力管理装置。
2. 1に記載の電力管理装置において、
前記蓄電システム制御手段は、
前記所定の負荷による消費電力又は消費電流を特定する特定手段と、
前記特定手段が特定した前記消費電力又は前記消費電流に基づいて、前記所定時間を決定する決定手段と、
前記蓄電システムを制御し、前記タイミングよりも前記所定時間前に電力供給を開始させる制御手段と、
を有する電力管理装置。
3. 2に記載の電力管理装置において、
前記決定手段は、前記消費電力又は前記消費電流に時間を対応付けた対応情報を参照し、前記特定手段が特定した前記消費電力又は前記消費電流に対応する時間を、前記所定時間として決定する電力管理装置。
4. 1から3のいずれかに記載の電力管理装置において、
前記蓄電システム制御手段は、
前記単位電力網内における消費電力又は消費電流の瞬時値と、前記所定の負荷による消費電力又は消費電流との和が所定の閾値を超える場合、前記蓄電システムを制御し、前記タイミングよりも所定時間前に電力供給を開始させる電力管理装置。
5. 1から4のいずれかに記載の電力管理装置において、
前記所定時間は、500ミリ秒以内である電力管理装置。
6. 1から5のいずれかに記載の電力管理装置において、
前記タイミングは、前記所定の負荷の電源が印加されるタイミングである電力管理装置。
7. 1から6のいずれかに記載の電力管理装置と、
単位電力網内に電力を供給する蓄電システムと、
を有する電力管理システム。
8. コンピュータが、
単位電力網内に存在する所定の負荷の消費電力が所定の値を超えるタイミングを、前記タイミングよりも前に特定する負荷監視工程と、
前記単位電力網内に電力を供給する蓄電システムを制御し、前記タイミングよりも所定時間前に電力供給を開始させる蓄電システム制御工程と、
を実行する電力管理方法。
8-2. 8に記載の電力管理方法において、
前記蓄電システム制御工程では、
前記所定の負荷による消費電力又は消費電流を特定する特定工程と、
前記特定工程で特定した前記消費電力又は前記消費電流に基づいて、前記所定時間を決定する決定工程と、
前記蓄電システムを制御し、前記タイミングよりも前記所定時間前に電力供給を開始させる制御工程と、
を実行する電力管理方法。
8-3. 8-2に記載の電力管理方法において、
前記決定工程では、前記消費電力又は前記消費電流に時間を対応付けた対応情報を参照し、前記特定工程で特定した前記消費電力又は前記消費電流に対応する時間を、前記所定時間として決定する電力管理方法。
8-4. 8から8-3のいずれかに記載の電力管理方法において、
前記蓄電システム制御工程では、
前記単位電力網内における消費電力又は消費電流の瞬時値と、前記所定の負荷による消費電力又は消費電流との和が所定の閾値を超える場合、前記蓄電システムを制御し、前記タイミングよりも所定時間前に電力供給を開始させる電力管理方法。
8-5. 8から8-4のいずれかに記載の電力管理方法において、
前記所定時間は、500ミリ秒以内である電力管理方法。
8-6. 8から8-5のいずれかに記載の電力管理方法において、
前記タイミングは、前記所定の負荷の電源が印加されるタイミングである電力管理方法。
9. コンピュータを、
単位電力網内に存在する所定の負荷の消費電力が所定の値を超えるタイミングを、前記タイミングよりも前に特定する負荷監視手段、
前記単位電力網内に電力を供給する蓄電システムを制御し、前記タイミングよりも所定時間前に電力供給を開始させる蓄電システム制御手段、
として機能させるためのプログラム。
9-2. 9に記載のプログラムにおいて、
前記蓄電システム制御手段を、
前記所定の負荷による消費電力又は消費電流を特定する特定手段、
前記特定手段が特定した前記消費電力又は前記消費電流に基づいて、前記所定時間を決定する決定手段、
前記蓄電システムを制御し、前記タイミングよりも前記所定時間前に電力供給を開始させる制御手段、
として機能させるプログラム。
9-3. 9-2に記載のプログラムにおいて、
前記決定手段に、前記消費電力又は前記消費電流に時間を対応付けた対応情報を参照し、前記特定手段が特定した前記消費電力又は前記消費電流に対応する時間を、前記所定時間として決定させるプログラム。
9-4. 9から9-3のいずれかに記載のプログラムにおいて、
前記蓄電システム制御手段に、
前記単位電力網内における消費電力又は消費電流の瞬時値と、前記所定の負荷による消費電力又は消費電流との和が所定の閾値を超える場合、前記蓄電システムを制御させ、前記タイミングよりも所定時間前に電力供給を開始させるプログラム。
9-5. 9から9-4のいずれかに記載のプログラムにおいて、
前記所定時間は、500ミリ秒以内であるプログラム。
9-6. 9から9-5のいずれかに記載のプログラムにおいて、
前記タイミングは、前記所定の負荷の電源が印加されるタイミングであるプログラム。
10. 消費電力が所定の値を超えるタイミングを検知して、蓄電システムを制御する電力管理装置に送信する監視装置。
Claims (9)
- 単位電力網内に存在する所定の負荷の消費電力が所定の値を超えるタイミングを、前記タイミングよりも前に特定する負荷監視手段と、
前記単位電力網内に電力を供給する蓄電システムを制御し、前記タイミングよりも所定時間前に電力供給を開始させる蓄電システム制御手段と、
を有する電力管理装置。 - 請求項1に記載の電力管理装置において、
前記蓄電システム制御手段は、
前記所定の負荷による消費電力又は消費電流を特定する特定手段と、
前記特定手段が特定した前記消費電力又は前記消費電流に基づいて、前記所定時間を決定する決定手段と、
前記蓄電システムを制御し、前記タイミングよりも前記所定時間前に電力供給を開始させる制御手段と、
を有する電力管理装置。 - 請求項2に記載の電力管理装置において、
前記決定手段は、前記消費電力又は前記消費電流に時間を対応付けた対応情報を参照し、前記特定手段が特定した前記消費電力又は前記消費電流に対応する時間を、前記所定時間として決定する電力管理装置。 - 請求項1から3のいずれか1項に記載の電力管理装置において、
前記蓄電システム制御手段は、
前記単位電力網内における消費電力又は消費電流の瞬時値と、前記所定の負荷による消費電力又は消費電流との和が所定の閾値を超える場合、前記蓄電システムを制御し、前記タイミングよりも所定時間前に電力供給を開始させる電力管理装置。 - 請求項1から4のいずれか1項に記載の電力管理装置において、
前記所定時間は、500ミリ秒以内である電力管理装置。 - 請求項1から5のいずれか1項に記載の電力管理装置において、
前記タイミングは、前記所定の負荷の電源が印加されるタイミングである電力管理装置。 - 請求項1から6のいずれか1項に記載の電力管理装置と、
単位電力網内に電力を供給する蓄電システムと、
を有する電力管理システム。 - コンピュータが、
単位電力網内に存在する所定の負荷の消費電力が所定の値を超えるタイミングを、前記タイミングよりも前に特定する負荷監視工程と、
前記単位電力網内に電力を供給する蓄電システムを制御し、前記タイミングよりも所定時間前に電力供給を開始させる蓄電システム制御工程と、
を実行する電力管理方法。 - コンピュータを、
単位電力網内に存在する所定の負荷の消費電力が所定の値を超えるタイミングを、前記タイミングよりも前に特定する負荷監視手段、
前記単位電力網内に電力を供給する蓄電システムを制御し、前記タイミングよりも所定時間前に電力供給を開始させる蓄電システム制御手段、
として機能させるためのプログラム。
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