WO2015178016A1 - 電力供給システム、電力供給システムの制御方法および電力供給装置 - Google Patents
電力供給システム、電力供給システムの制御方法および電力供給装置 Download PDFInfo
- Publication number
- WO2015178016A1 WO2015178016A1 PCT/JP2015/002514 JP2015002514W WO2015178016A1 WO 2015178016 A1 WO2015178016 A1 WO 2015178016A1 JP 2015002514 W JP2015002514 W JP 2015002514W WO 2015178016 A1 WO2015178016 A1 WO 2015178016A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power
- switch
- current sensor
- supply path
- power supply
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed 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
- 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
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
-
- 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
- H02J2300/30—The power source being a fuel cell
-
- 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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Definitions
- the present invention relates to a power supply system, a power supply system control method, and a power supply apparatus.
- a generation power supply device of a power generation system including a power generation facility such as a solar panel, a grid connection operation that outputs AC power in connection with a commercial power system (hereinafter abbreviated as a system as appropriate) and the system There are known ones that enable independent operation that outputs alternating current power (see, for example, Patent Document 1).
- a power supply system it is required to manage and operate a plurality of distributed power sources such as solar cells, storage batteries, fuel cells, gas generators, and the like in an integrated manner.
- a system capable of managing efficient operation control among a plurality of distributed power sources without destroying the versatility on the distributed power source side.
- an object of the present invention made in view of the above problems is to provide a power supply system capable of managing efficient operation control among a plurality of distributed power supplies without destroying the versatility on the distributed power supply side,
- An object of the present invention is to provide a method for controlling a power supply system and a power supply apparatus.
- a power supply system is a power supply system having a plurality of distributed power sources including a storage battery and a power generation device that generates power while the first current sensor detects a forward power flow. Then, during the interconnection operation, the interconnection operation switch that is blocked so as to supply the output from the commercial power supply system to the load, and the output from the power generator to the load without passing through the first current sensor.
- a first supply path changeover switch that can be closed to supply
- a second supply path changeover switch that can be closed so as to supply the output from the power generation device to the load via the first current sensor.
- the first current sensor is disposed between the interconnection operation switch and the load.
- a control method for a power supply system includes a plurality of distributed power sources including a storage battery and a power generation device that generates power while the first current sensor detects a forward power flow.
- a method for controlling an electric power supply system comprising: a step of closing an interconnection operation switch so as to supply an output from a commercial power supply system to a load during an interconnection operation; and an output from the power generator Closing the switch so as to supply the load without passing through the current sensor; closing the switch so as to supply the output from the power generator to the load via the first current sensor;
- the first current sensor is arranged between the interconnection operation switch and the load.
- the power supply device controls a plurality of distributed power sources including a storage battery and a power generation device that generates power while the first current sensor detects a forward power flow.
- An electric power supply device which is connected to an operation switch that is blocked so that an output from a commercial power supply system is supplied to a load during an interconnection operation, and an output from the power generator does not pass through the first current sensor.
- a second supply path that can be closed so as to supply the output from the power generator to the load via the first current sensor. It has a control part which controls with a changeover switch, and the 1st current sensor is arranged between the interconnection operation switch and the load.
- the power supply system control method, and the power supply apparatus According to the power supply system, the power supply system control method, and the power supply apparatus according to the present invention, efficient operation control among a plurality of distributed power supplies can be managed without destroying the versatility on the distributed power supply side. Is possible.
- FIG. 1 is a block diagram of a power supply system according to a first embodiment of the present invention. It is a figure which shows the example of control at the time of the grid operation of the electric power supply system which concerns on the 1st Embodiment of this invention. It is a figure which shows the example of control at the time of the independent operation (at the time of charge) of the electric power supply system which concerns on the 1st Embodiment of this invention. It is a figure which shows the example of control at the time of the independent operation (at the time of discharge) of the electric power supply system which concerns on the 1st Embodiment of this invention. The wiring example of the pseudo output line for sending a pseudo current to the 1st current sensor is shown.
- the power supply system according to the present embodiment includes, in addition to power supplied from the grid, a distributed power source that supplies power that can be sold and / or a distributed power source that supplies power that cannot be sold.
- a distributed power source that supplies power that can be sold is a system that supplies power by, for example, solar power generation.
- a distributed power source that supplies electric power that cannot be sold is, for example, a storage battery system that can charge and discharge electric power, a fuel cell system including a fuel cell such as SOFC (Solid Oxide Fuel Cell), and a gas that is generated by gas fuel.
- SOFC Solid Oxide Fuel Cell
- a solar battery is provided as a distributed power source that supplies power that can be sold
- a storage battery and a power generator that is a fuel cell or a gas generator are provided as a distributed power source that supplies power that cannot be sold.
- An example is shown.
- FIG. 1 is a block diagram showing a schematic configuration of a power supply system 100 according to the first embodiment of the present invention.
- the power supply system 100 includes a power supply device 101, a dedicated distribution board 102, a storage battery 1, and a power generation device 13.
- or 16C used by connecting with the electric power supply system 100 are shown according to FIG.
- the power generation device 13 is constituted by a fuel cell or a gas generator.
- the power supply apparatus 101 includes DCDC converters 2 and 3, an inverter 4, a first interconnection operation switch 5, a self-sustaining operation switch 6, and a control unit 7.
- the power supply apparatus 101 constitutes a so-called multi-DC link system in which power from the storage battery 1 and the solar battery 12 disposed outside is connected as it is and is subjected to power control.
- the power supply device 101 performs conversion between direct current power supplied from the solar battery 12 and the storage battery 1 and alternating current power supplied from the grid 14 and the power generation device 13, and switching control between the interconnection operation and the independent operation. I do.
- the storage battery 1, the solar battery 12, and the power generation device 13 are arranged outside the power supply device 101 and connected to the power supply device 101 for use, but the present invention is in this aspect. Is not limited. Some or all of these may be provided inside the power supply apparatus 101.
- the dedicated distribution board 102 includes a second interconnection operation switch 8, a first supply path switching switch 9, a second supply path switching switch 10, and a first current sensor 11.
- the second interconnection operation switch 8 is on / off controlled in conjunction with the first interconnection operation switch 5.
- the first supply path changeover switch 9 and the second supply path changeover switch 10 are switches for managing efficient operation control between distributed power supplies without destroying the versatility on the distributed power supply side. This is a characteristic configuration of the form. Details will be described later.
- the power supply system 100 normally performs an interconnection operation with the grid 14, and loads the power supplied from the grid 14 and the power from each distributed power source (the solar battery 12, the storage battery 1, and the power generation device 13) into loads 16A to 16A. To 16C. Further, the power supply system 100 performs a self-sustaining operation when there is no power supply from the system 14 such as at the time of a power failure, and the power from each distributed power source (solar battery 12, storage battery 1, power generation device 13) is supplied to the loads 16A to 16C. Supply. When the power supply system 100 performs a self-sustained operation, each distributed power source (solar cell 12, storage battery 1, power generation device 13) is in a state of being disconnected from the system 14, and the power supply system 100 performs an interconnected operation. Each of the distributed power sources (solar cell 12, storage battery 1, power generation device 13) is in parallel with the system 14.
- a solid line connecting each functional block represents a wiring through which power flows
- a broken line connecting each functional block represents a flow of a control signal or information to be communicated.
- the communication indicated by the broken line may be wired communication or wireless communication.
- Various methods can be adopted for communication of control signals and information including each layer. For example, communication by a short-range communication method such as ZigBee (registered trademark) can be employed. Also, various transmission media such as infrared communication and power line carrier communication (PLC: Power Line Communication) can be used.
- PLC Power Line Communication
- various protocols such as ZigBee SEP 2.0 (Smart Energy Profile 2.0), ECHONET Lite (registered trademark), etc. are defined on lower layers including the physical layer suitable for each communication. A communication protocol may be operated.
- the solar cell 12 converts solar energy into DC power.
- the solar cell 12 is configured such that, for example, power generation units having photoelectric conversion cells are connected in a matrix, and a predetermined short-circuit current (for example, 10 A) is output.
- the type of solar cell 12 is not limited as long as it is capable of photoelectric conversion, such as a silicon-based polycrystalline solar cell, a silicon-based single crystal solar cell, or a thin-film solar cell such as CIGS.
- the storage battery 1 is composed of a storage battery such as a lithium ion battery or a nickel metal hydride battery.
- the storage battery 1 can supply electric power by discharging the charged electric power.
- the storage battery 1 can charge the power supplied from the power generation device 13 as described later.
- DCDC converters 2 and 3 boost DC power from solar battery 12 and storage battery 1 to a constant voltage.
- a fixed value set in advance may be used, or the control unit 7 may appropriately control.
- the DC power from the solar battery 12 and the storage battery 1 is DC-linked, it is necessary to boost the voltage to the same voltage.
- the inverter 4 is a bidirectional inverter, which converts DC power supplied from the solar battery 12 and the storage battery 1 into AC power, and converts AC power supplied from the system 14 and the power generation device 13 into DC power. Convert to electricity.
- the first and second interconnection operation switches 5 and 8 and the self-sustaining operation switch 6 are each configured by a relay, a transistor, and the like, and are on / off controlled. As illustrated, the self-sustaining operation switch 6 is disposed between the power generation device 13 and the storage battery 1.
- the first and second interconnected operation switches 5 and 8 and the self-sustained operation switch 6 are switched via an off state so that they are not simultaneously turned on. More specifically, when switching from the independent operation to the interconnection operation, the first and second interconnection operation switches 5 and 8 are controlled to be turned on after the autonomous operation switch 6 is turned off. Further, when switching from the interconnected operation to the independent operation, the independent operation switch 6 is controlled to be turned on after the first and second interconnected operation switches 5 and 8 are turned off.
- the above control of the first and second interconnection operation switches 5 and 8 and the independent operation switch 6 can be realized by software, for example, by the control unit 7.
- the control unit 7 when the power supply from each distributed power source is off, only the second interconnection operation switch 8 is turned on, and both the first interconnection operation switch 5 and the independent operation switch 6 are off. Thus, only power supply from the grid 14 to the distribution board 15 is performed.
- the control unit 7 is composed of, for example, a microcomputer, and based on the rise of the system voltage or the state of power failure, the inverter 4, the first and second interconnection operation switches 5 and 8, the independent operation switch 6, the first supply path The operation of each part such as the changeover switch 9 and the second supply path changeover switch 10 is controlled.
- the control unit 7 switches the first and second interconnection operation switches 5 and 8 on and the independent operation switch 6 off during the interconnection operation.
- the control unit 7 switches the first and second interconnection operation switches 5 and 8 off and the self-sustained operation switch 6 on during the independent operation.
- the first supply path changeover switch 9 and the second supply path changeover switch 10 are each configured by a relay, a transistor, and the like, and are on / off controlled.
- the control unit 7 performs control so that only one of the first supply path change-over switch 9 and the second supply path change-over switch 10 is turned on and the other is turned off according to the operation state of each distributed power source or the like.
- the first current sensor 11 detects a current flowing between the system 14 and the power generation device 13, and is disposed between the second interconnection operation switch 8 and the loads 16A to 16C.
- the power generation device 13 stops power generation. While the first current sensor 11 detects the forward power flow, the power generation device 13 performs power generation in the load following operation or the rated operation on the assumption that power can be supplied to the loads 16A to 16C from itself.
- the power generation device 13 is constituted by a fuel cell or a gas generator.
- a fuel cell includes a cell that generates direct-current power by a chemical reaction with oxygen in the air using hydrogen, an inverter that converts the generated direct-current power into 100V or 200V AC power, and other auxiliary devices.
- the fuel cell as the power generation device 13 is a system that can supply AC power to the loads 16A to 16C without going through the power supply device 101, and is always designed assuming connection with the power supply device 101.
- the system may be a versatile system.
- the gas generator generates power with a gas engine using a predetermined gas or the like as fuel.
- the power generation device 13 performs power generation while the corresponding first current sensor 11 detects a forward power flow (current in the power purchase direction). During power generation, the power generation device 13 follows load consumption operation that follows the power consumption of the loads 16A to 16C or a predetermined amount. Perform rated operation with the rated power value of. The tracking range during load following operation is, for example, 200 to 700 W, and the rated power value during rated operation is, for example, 700 W. The power generation device 13 may perform a load following operation that follows the power consumption of the loads 16A to 16C during the interconnected operation, and perform a rated operation based on the rated power value during the independent operation.
- the distribution board 15 divides the power supplied from the system 14 during the grid operation into a plurality of branches, and distributes it to the loads 16A to 16C. Moreover, the distribution board 15 branches the electric power supplied from a some distributed power supply (solar cell 12, the storage battery 1, the electric power generating apparatus 13) at the time of a self-sustained operation to a some branch, and distributes it to load 16A thru
- the loads 16A to 16C are power loads that consume power.
- various electric appliances such as air conditioners, microwave ovens, and televisions used in homes, or air conditioners or lighting used in commercial and industrial facilities. Machines such as appliances, lighting equipment, etc.
- FIG. 2 is a diagram illustrating a control example of the power supply system 100 during the interconnection operation.
- each switch is controlled such that the first and second interconnection operation switches 5 and 8 are turned on and the self-supporting operation switch 6 is turned off.
- the switches for switching the supply path are controlled such that the first supply path switch 9 is turned on and the second supply path switch 10 is turned off.
- AC 100V (or 200V) is supplied from the system 14 and is supplied to the loads 16A to 16C.
- the power supply apparatus 101 converts the AC power from the system 14 into DC power and charges the storage battery 1.
- the power supply device 101 can sell surplus power by converting the power generated by the solar battery 12 into AC power and flowing it back to the grid 14. Since the forward current (current in the power purchase direction) flows from the grid 14 to the first current sensor 11, the power generation device 13 performs load following power generation so that the forward current detection in the first current sensor 11 becomes a certain target value. .
- the power generated by the power generation device 13 is supplied to the loads 16A to 16C via the first supply path changeover switch 9 and the distribution board 15 as indicated by the thick arrows.
- the total current supplied to the loads 16A to 16C is represented as ⁇ .
- Each switch is controlled so that the first and second interconnection operation switches 5 and 8 are turned off and the independent operation switch 6 is turned on.
- the switches for switching the supply path are controlled such that the first supply path switch 9 is turned off and the second supply path switch 10 is turned on.
- FIG. 3 is a control example in which the power generation device 13 performs rated operation power generation when the loads 16A to 16C always consume a certain amount of power during the self-sustaining operation. Since the second supply path selector switch 10 is on, the generated power of the power generation device 13 is supplied to the loads 16A to 16C via the first current sensor 11. That is, since the electric power from each distributed power source (solar cell 12, storage battery 1, power generation device 13) is supplied to the loads 16A to 16C via the first current sensor 11 and the distribution board 15, the first current sensor 11 The current in the forward flow direction is always detected at, and the power generation device 13 can generate power.
- each distributed power source solar cell 12, storage battery 1, power generation device 13
- the forward current detection in the power generation device 13 is supplied to the loads 16A to 16C as shown by thick lines in FIG. 3, but when the generated power exceeds the power consumption in the loads 16A to 16C, the surplus power is stored in the storage battery 1. Is charged.
- the control unit 7 performs control so that the first supply path switch 9 is turned on and the second supply path switch 10 is turned off as shown in FIG. Do it. And the control part 7 makes the storage battery 1 start discharge.
- the power generated by the power generation device 13 is supplied to the loads 16A to 16C without passing through the first current sensor 11.
- the electric power discharged from the storage battery 1 flows through the first current sensor 11.
- the power generation device 13 operates while suppressing the generated power so that the forward current detection in the first current sensor 11 has a certain target value. That is, a load following operation is performed in which the generated power follows the power consumption in the loads 16A to 16C.
- control unit 7 when the charge amount of the storage battery 1 falls below a predetermined threshold, the control unit 7 performs control so that the first supply path switch 9 is turned off and the second supply path switch 10 is turned on again. And charging of the storage battery 1 from the power generation device 13 is started.
- the reverse current flow from the power generation device 13 to the system 14 may not be detected by the first current sensor 11. There is. Therefore, it is preferable to have a circuit configuration in which the first supply path switching switch 9 is switched on and the second supply path switching switch 10 is switched off in conjunction with the second interconnection operation switch 8 being turned on.
- this embodiment assumes that the electric current (alpha) more than the threshold value from which the electric power generating apparatus 13 can start electric power generation flows into load 16A thru
- the power generation device 13 cannot start power generation.
- FIG. 5 shows an example of a configuration for causing the first current sensor 11 to detect a pseudocurrent in the forward power flow direction.
- the pseudo output line 19 connected to the single-layer three-wire 200V power line 20 is wound around the first current sensor 11 a predetermined number of times. As a result, regardless of the direction of the current flowing through the power line 20, the first current sensor 11 can detect the current in the forward flow direction in a pseudo manner.
- the value of the pseudo current is determined by the voltage value of the power line 20 to which the pseudo output line 19 is connected, the pseudo current resistance 18, and the number of turns of the pseudo output line 19 around the first current sensor 11.
- the pseudo current on / off control is performed by the control unit 7 controlling the pseudo current switch 17.
- the generated power from the power generation device 13 can be transmitted to the storage battery 1 without passing through the first current sensor 11 for detecting reverse power flow. For this reason, it is possible to charge the storage battery 1 with the surplus power in the power generation device 13 during the independent operation.
- the first current sensor 11 is configured to detect the pseudo current in the forward power flow direction by supplying power from the distributed power source (solar cell 12, storage battery 1, power generation device 13).
- the power generation device 13 can reliably generate power during the self-sustained operation, and surplus power can be charged into the storage battery 1.
- FIG. 6 is a block diagram showing a schematic configuration of a power supply system 200 according to the second embodiment of the present invention.
- the power supply system 200 according to the present embodiment includes a power supply device 201, a dedicated distribution board 202, the storage battery 1, and the power generation device 13. Moreover, the solar cell 12, the system
- a second current sensor 60 is disposed between the grid 14 and the second interconnection operation switch 8 in the dedicated distribution board 202, and the control unit 7 detects the second current sensor 60.
- the configuration is the same as that of the power supply system 100 according to the first embodiment except that the result can be acquired. Therefore, the overlapping description here is omitted. Since the power supply system 200 includes all the configurations of the power supply system 100 according to the first embodiment, the same operation as that of the first embodiment can be performed.
- the dedicated distribution board 202 includes a second interconnection operation switch 8, a first supply path switching switch 9, a second supply path switching switch 10, a first current sensor 11, and a second current sensor 60.
- the second current sensor 60 is a sensor provided to detect a reverse power flow flowing from the power supply device 201 or the dedicated distribution board 202 to the grid 14.
- FIG. 7 is a diagram illustrating a control example of the power supply system 200 during the interconnection operation.
- each switch is controlled such that the first and second interconnection operation switches 5 and 8 are turned on and the self-supporting operation switch 6 is turned off.
- each switch for supply path switching is controlled such that the first supply path switch 9 is turned on and the second supply path switch 10 is turned off.
- AC 100V (or 200V) is supplied from the system 14 and is supplied to the loads 16A to 16C. Since the forward current (current in the power purchase direction) flows from the grid 14 to the first current sensor 11, the power generation device 13 performs load following power generation so that the forward current detection in the first current sensor 11 becomes a certain target value. . As a result, the power generated by the power generation device 13 is supplied to the loads 16A to 16C via the first supply path changeover switch 9 and the distribution board 15 as indicated by the thick arrows.
- the second current sensor 60 detects the current in the forward flow direction from the grid 14 to the loads 16A to 16C.
- the control unit 7 controls each switch so that the first supply path switch 9 is turned off and the second supply path switch 10 is turned on. The detection result in the current sensor 60 is continuously observed.
- the state of the power supply system 200 at this time is shown in FIG.
- the storage battery 1 can be charged via the switch 8 and the first interconnection operation switch 5.
- the controller 7 monitors the current flowing through the second current sensor 60 while charging the storage battery 1 with the power generated by the power generation device 13 so that a forward current of a certain level or more always flows through the second current sensor 60.
- the charge amount to the storage battery 1 is controlled. If the current in the forward flow direction falls below a predetermined threshold, the control unit 7 again turns on the first supply path switch 9 and turns off the second supply path switch 10. Control each switch. As a result, the power generation device 13 performs the load following operation of FIG. 7 again, and charging of the storage battery 1 is stopped.
- the surplus power in the power generation device 13 can be charged to the storage battery 1 without causing a reverse flow from the power generation device 13 to the system 14 during the interconnection operation.
- FIG. 9 is a block diagram showing a schematic configuration of a power supply system 300 according to the third embodiment of the present invention.
- the power supply system 300 according to the present embodiment includes a power supply device 301, a dedicated distribution board 302, the storage battery 1, and the power generation device 13.
- or 16C used by connecting with the electric power supply system 300 are shown according to FIG. As shown in FIG.
- the configuration of the power supply system 300 is such that a third current sensor 90 is installed at the output unit of the power generation device 13, the control unit 7 can acquire the detection result of the third current sensor 90, and the control
- the configuration is the same as that of the power supply system 200 according to the second embodiment, except that the unit 7 is configured to be able to receive a self-check signal from the power generation device 13. Therefore, the overlapping description here is omitted. Since the power supply system 300 includes all the configurations of the power supply systems 100 and 200 according to the first and second embodiments, the same operation as that of the first and second embodiments can be performed. is there.
- the dedicated distribution board 302 includes a second interconnection operation switch 8, a first supply path switching switch 9, a second supply path switching switch 10, a first current sensor 11, a second current sensor 60, and a third.
- the third current sensor 90 is a current sensor provided to detect that the power generation device 13 has performed a self-check of the current sensor.
- the self-check performed by the power generation device 13 is a check of a current sensor for monitoring a reverse power flow from the power generation device to the system.
- the power generation device 13 intentionally changes the output power, and the first check It is checked whether or not the current flowing through the current sensor 11 changes corresponding to the change in the output power.
- the intentional change of the output power is performed, for example, when the power generation device 13 temporarily stops power generation or reduces the amount of power generation, and temporarily receives supply of power from the system 14 to change the current.
- FIG. 10 is a diagram illustrating a control example of the power supply system 300 during the interconnected operation.
- Each switch is controlled such that the first and second interconnection operation switches 5 and 8 are turned on and the independent operation switch 6 is turned off.
- the supply path changeover switch is controlled such that the first supply path changeover switch 9 is turned off and the second supply path changeover switch 10 is turned on.
- the storage battery 1 is charged via the switch 8 and the first interconnection operation switch 5.
- the controller 7 monitors the current flowing through the second current sensor 60 while charging the storage battery 1 with the power generated by the power generation device 13 so that a forward current of a certain level or more always flows through the second current sensor 60.
- the charge amount to the storage battery 1 is controlled.
- the control unit 7 determines that the current in the third current sensor 90 has changed and the power generation device 13 has started the self-check
- the control unit 7 turns on the first supply path changeover switch 9 and turns on the second supply.
- the path changeover switch 10 is turned off and controlled.
- the first current sensor 11 detects only the current flowing from the system 14 to the loads 16A to 16C.
- the storage battery 1 stops charging.
- the power generation device 13 is temporarily supplied with power from the grid 14, a current in the corresponding forward flow direction flows through the first current sensor 11.
- the power generation device 13 ends the self-checking operation by detecting the current in the forward flow direction.
- the control state of the power supply system 300 at this time is shown in FIG.
- control unit 7 determines that the current change in the third current sensor 90 is finished and the self-check is completed, the control unit 7 turns off the first supply path switch 9 again and turns on the second supply path switch 10. Perform switching control. As a result, the power generation device 13 resumes charging the surplus power to the storage battery 1.
- the power generation device 13 is configured to output a signal notifying that the self-check is being performed
- the control unit 7 is configured to output the first supply path switching switch 9 and the second supply based on the signal from the power generation device 13. On / off control of the path changeover switch 10 may be performed. Further, the control unit 7 may recognize that the self-check is being performed by communicating with the power generation device 13.
- Each switch is controlled so that the first and second interconnection operation switches 5 and 8 are turned off and the independent operation switch 6 is turned on.
- each switch for supply path switching is controlled such that the first supply path switch 9 is off and the second supply path switch 10 is on.
- FIG. 12 shows a control example in which the power generator 13 performs rated operation power generation when the loads 16A to 16C always consume a certain amount of power during the self-sustaining operation. Since the second supply path selector switch 10 is on, the generated power of the power generation device 13 is supplied to the loads 16A to 16C via the first current sensor 11. After all, since the electric power from each distributed power source (solar cell 12, storage battery 1, power generation device 13) is supplied to the loads 16A to 16C via the first current sensor 11 and the distribution board 15, the first current sensor 11 Then, a forward flow is always detected, and the power generation device 13 can perform rated operation power generation. Then, the generated power in the power generation device 13 is supplied to the loads 16A to 16C as shown by thick lines in FIG. 12, but when the generated power exceeds the power consumption in the loads 16A to 16C, the surplus power is stored in the storage battery 1. Is charged.
- the control unit 7 determines that the current in the third current sensor 90 has changed and the power generation device 13 has started the self-check
- the control unit 7 turns on the first supply path changeover switch 9 and turns on the second supply.
- the path changeover switch 10 is turned off and controlled, and the storage battery 1 starts to discharge.
- the power discharged from the storage battery 1 flows through the first current sensor 11, and the power generation device 13 is temporarily supplied with power from the storage battery 1.
- a current in the forward flow direction corresponding to the power supply from the storage battery 1 to the power generation device 13 flows through the first current sensor 11, and the power generation device 13 completes the self-check by detecting the current in the forward flow direction.
- the first supply path switching is performed so that the first current sensor 11 can detect the current flowing from the grid 14 or the storage battery 1 to the power generation device 13 at the timing when the power generation device 13 performs the self-check.
- the switch 9 is turned on and the second supply path changeover switch 10 is turned off. With this configuration, it is possible to charge the surplus power from the power generation device 13 to the storage battery 1 and to support the self-check function of the power generation device 13.
- the third current sensor is provided at the output portion of the power generation device 13 so as to detect the self-check operation, so that it is possible to charge surplus power from the power generation device 13 to the storage battery 1.
- the self-check function of the power generator 13 can be handled with a simple configuration.
- the signal which notifies that the electric power generating apparatus 13 is performing self-check is output, and the control part 7 receives the signal from the electric power generating apparatus 13, and is comprised so that a self-check operation
- each member, each means, each step, etc. can be rearranged so as not to be logically contradictory, and a plurality of means or steps can be combined or divided into one. Is possible.
- Computer systems and other hardware include, for example, general-purpose computers, PCs (personal computers), dedicated computers, workstations, PCS (Personal Communications System, personal mobile communication systems), RFID receivers, electronic notepads, laptop computers, A GPS (Global Positioning System) receiver or other programmable data processing device is included.
- the various operations are performed by dedicated circuitry (e.g., individual logic gates interconnected to perform a specific function) or one or more processors implemented with program instructions (software). Note that it is executed by a logical block or program module.
- processors that execute logic blocks or program modules include, for example, one or more microprocessors, CPU (Central Processing Unit), ASIC (Application Specific Integrated Circuit), DSP (Digital Signal Processor), PLD (Programmable Logic Device), FPGA (Field Programmable Gate Array), processor, controller, microcontroller, microprocessor, electronic device, other devices designed to perform the functions described herein, and / or any combination thereof Is included.
- the illustrated embodiments are implemented, for example, by hardware, software, firmware, middleware, microcode, or any combination thereof.
- the instructions may be program code or code segments for performing the necessary tasks.
- the instructions can then be stored on a machine-readable non-transitory storage medium or other medium.
- a code segment may represent any combination of procedures, functions, subprograms, programs, routines, subroutines, modules, software packages, classes or instructions, data structures or program statements.
- a code segment transmits and / or receives information, data arguments, variables or stored contents with other code segments or hardware circuits, thereby connecting the code segments with other code segments or hardware circuits .
- the network used here is the Internet, ad hoc network, LAN (Local Area Network), cellular network, WPAN (Wireless Personal Area Network) or other network, or any combination thereof.
- the components of the wireless network include, for example, an access point (for example, a Wi-Fi access point), a femto cell, and the like.
- the wireless communication device includes Wi-Fi, Bluetooth (registered trademark), cellular communication technology (for example, CDMA (Code Division Multiple Access), TDMA (Time Division Multiple Access), FDMA (Frequency Division Multiple Access), OFDMA (Orthogonal Frequency Frequency). It is possible to connect to a wireless network using Division (Multiple Access), SC-FDMA (Single-Carrier Frequency Division Multiple Access) or other wireless technologies and / or technical standards.
- the machine-readable non-transitory storage medium used here can be further configured as a computer-readable tangible carrier (medium) composed of solid-state memory, magnetic disk and optical disk.
- a medium stores an appropriate set of computer instructions such as program modules for causing a processor to execute the technology disclosed herein, and a data structure.
- Computer readable media include electrical connections with one or more wires, magnetic disk storage media, magnetic cassettes, magnetic tapes, and other magnetic and optical storage devices (eg, CD (Compact Disk), laser disks ( Registered trademark), DVD (registered trademark) (Digital Versatile Disc), floppy disk (registered trademark) and Blu-ray Disc (registered trademark)), portable computer disk, RAM (Random Access Memory), ROM (Read-Only Memory), It includes a rewritable and programmable ROM such as EPROM, EEPROM or flash memory or other tangible storage medium capable of storing information or any combination thereof.
- the memory can be provided inside and / or outside the processor / processing unit.
- the term “memory” means any type of long-term storage, short-term storage, volatile, non-volatile, or other memory in which a particular type or number of memories or storage is stored. The type of medium is not limited.
- Disclosed herein is a system having various modules and / or units that perform specific functions, which are schematically shown to briefly describe their functionality. Note that it does not necessarily represent specific hardware and / or software. In that sense, these modules, units, and other components may be hardware and / or software implemented to substantially perform the specific functions described herein. The various functions of the different components may be any combination or separation of hardware and / or software, each used separately or in any combination. Also, input / output or I / O devices or user interfaces, including but not limited to keyboards, displays, touch screens, pointing devices, etc., connect directly to the system or via an intervening I / O controller. be able to. Thus, the various aspects of the present disclosure can be implemented in many different ways, all of which are within the scope of the present disclosure.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Description
図1は、本発明の第1の実施形態に係る電力供給システム100の概略構成を示すブロック図である。本実施形態に係る電力供給システム100は、電力供給装置101と、専用分電盤102と、蓄電池1と、発電装置13とを備える。また、電力供給システム100と接続して使用される、太陽電池12、系統14、分電盤15、負荷16A乃至16Cを図1にあわせて示す。ここで、発電装置13は、燃料電池またはガス発電機によって構成されるものである。
図2は、連系運転時の電力供給システム100の制御例を示す図である。この場合には、各スイッチは、第1,第2連系運転スイッチ5,8がオン、自立運転スイッチ6がオフに制御される。供給経路切替のための各スイッチは、第1供給経路切替スイッチ9がオン、第2供給経路切替スイッチ10がオフに制御される。
次に、図3によって自立運転時の電力供給システム100の制御例を説明する。各スイッチは、第1,第2連系運転スイッチ5,8がオフ、自立運転スイッチ6がオンに制御される。また、供給経路切替のための各スイッチは、第1供給経路切替スイッチ9がオフ、第2供給経路切替スイッチ10がオンに制御される。
図6は、本発明の第2の実施形態に係る電力供給システム200の概略構成を示すブロック図である。本実施形態に係る電力供給システム200は、電力供給装置201と、専用分電盤202と、蓄電池1と、発電装置13とを備える。また、電力供給システム200と接続して使用される、太陽電池12、系統14、分電盤15、負荷16A乃至16Cを図6にあわせて示す。この電力供給システム200の構成は、専用分電盤202において、系統14と第2連系運転スイッチ8との間に第2電流センサ60を配置し、制御部7が第2電流センサ60の検出結果を取得可能に構成した他は、第1の実施形態に係る電力供給システム100の構成と同一である。従って、ここでの重複する説明は省略する。なお、この電力供給システム200は、第1の実施形態に係る電力供給システム100の構成を全て含むため、第1の実施形態と同一の動作をさせることが可能である。
図7は、連系運転時の電力供給システム200の制御例を示す図である。この場合には、各スイッチは、第1,第2連系運転スイッチ5,8がオン、自立運転スイッチ6がオフに制御される。また、供給経路切替用の各スイッチは、第1供給経路切替スイッチ9がオン、第2供給経路切替スイッチ10がオフに制御される。
第2の実施形態における自立運転時の制御は、第1の実施形態と同一であるので、ここでの説明は省略する。
図9は、本発明の第3の実施形態に係る電力供給システム300の概略構成を示すブロック図である。本実施形態に係る電力供給システム300は、電力供給装置301と、専用分電盤302と、蓄電池1と、発電装置13とを備える。また、電力供給システム300と接続して使用される、太陽電池12、系統14、分電盤15、負荷16A乃至16Cを図9にあわせて示す。この電力供給システム300の構成は、図9に示すように発電装置13の出力部に第3電流センサ90を設置し、制御部7が第3電流センサ90の検出結果を取得可能とし、そして制御部7が発電装置13からのセルフチェック信号を受信可能に構成した他は、第2の実施形態に係る電力供給システム200の構成と同一である。従って、ここでの重複する説明は省略する。なお、この電力供給システム300は、第1および第2の実施形態に係る電力供給システム100,200の構成を全て含むため、第1および第2の実施形態と同一の動作をさせることが可能である。
図10は、連系運転時の電力供給システム300の制御例を示す図である。各スイッチは、第1,第2連系運転スイッチ5,8がオン、自立運転スイッチ6がオフに制御される。また供給経路切替スイッチは、第1供給経路切替スイッチ9がオフ、第2供給経路切替スイッチ10がオンに制御される。
次に、図12によって自立運転時の電力供給システム300の制御例を説明する。各スイッチは、第1,第2連系運転スイッチ5,8がオフ、自立運転スイッチ6がオンに制御される。また、供給経路切替用の各スイッチは、第1供給経路切替スイッチ9がオフ、第2供給経路切替スイッチ10がオンに制御される。
2,3 DCDCコンバータ
4 インバータ
5 第1連系運転スイッチ
6 自立運転スイッチ
7 制御部
8 第2連系運転スイッチ(連系運転スイッチ)
9 第1供給経路切替スイッチ
10 第2供給経路切替スイッチ
11 第1電流センサ
12 太陽電池
13 発電装置
14 系統(商用電源系統)
15 分電盤
16A,16B,16C 負荷
17 擬似電流制御スイッチ
18 擬似電流負荷
19 擬似出力線
20 電力線
60 第2電流センサ
90 第3電流センサ
100,200,300 電力供給システム
101,201,301 電力供給装置
102,202,302 専用分電盤
Claims (11)
- 蓄電池と、第1電流センサが順潮流を検出する間発電を行う発電装置とを含む複数の分散電源を有する電力供給システムであって、
連系運転時に、商用電源系統からの出力を負荷に供給するように閉塞される連系運転スイッチと、
前記発電装置からの出力を、前記第1電流センサを経由しないで前記負荷に供給するように閉塞可能な第1供給経路切替スイッチと、
前記発電装置からの出力を、前記第1電流センサを経由して前記負荷に供給するように閉塞可能な第2供給経路切替スイッチと
を備え、
前記第1電流センサは、前記連系運転スイッチと前記負荷の間に配置されることを特徴とする電力供給システム。 - 連系運転時に前記連系運転スイッチと前記第1供給経路切替スイッチとを閉塞かつ前記第2供給経路切替スイッチを開放し、
自立運転時に前記連系運転スイッチと前記第1供給経路切替スイッチとを開放かつ前記第2供給経路切替スイッチを閉塞する、請求項1に記載の電力供給システム。 - 連系運転時に前記連系運転スイッチと前記第1供給経路切替スイッチとを閉塞かつ前記第2供給経路切替スイッチを開放し、
自立運転時に前記連系運転スイッチを開放するとともに、前記蓄電池の充/放電に応じて前記第1供給経路切替スイッチまたは前記第2供給経路切替スイッチのいずれか一方のみを閉塞する、請求項1に記載の電力供給システム。 - 前記商用電源系統と前記連系運転スイッチとの間に第2電流センサをさらに備え、
連系運転時において、前記第2電流センサが前記商用電源系統から前記連系運転スイッチへの電力供給を検出している場合は前記連系運転スイッチと前記第2供給経路切替スイッチとを閉塞かつ前記第1供給経路切替スイッチを開放し、連系運転時において前記第2電流センサが前記商用電源系統から前記連系運転スイッチへの電力供給を検出していない場合は前記連系運転スイッチと前記第1供給経路切替スイッチとを閉塞かつ前記第2供給経路切替スイッチを開放し、
自立運転時に前記連系運転スイッチと前記第1供給経路切替スイッチとを開放かつ前記第2供給経路切替スイッチを閉塞する、請求項1に記載の電力供給システム。 - 前記発電装置は、前記第1電流センサが順潮流を検出する機能を確認するモードを有し、
前記確認が行われる場合は前記第1供給経路切替スイッチを閉塞かつ前記第2供給経路切替スイッチを開放する請求項1乃至4のいずれか一項に記載の電力供給システム。 - 前記発電装置と、前記第1供給経路切替スイッチおよび前記第2供給経路切替スイッチとの間に、前記確認のタイミングを検出する為の第3電流センサをさらに設ける請求項5に記載の電力供給システム。
- 前記発電装置は、前記第1電流センサが順潮流を検出する機能を確認するタイミングを通知する信号を出力する、請求項5に記載の電力供給システム。
- 前記第1供給経路切替スイッチは前記連系運転スイッチの閉塞と連動して閉塞し、前記第2供給経路切替スイッチは、前記連系運転スイッチの閉塞と連動して開放する回路素子を有する、請求項1または2に記載の電力供給システム。
- 自立運転時に、前記複数の分散電源の1または複数の分散電源からの電源供給によって前記第1電流センサに擬似的な順潮流電流を検出させる、請求項1乃至8のいずれか一項に記載の電力供給システム。
- 蓄電池と、第1電流センサが順潮流を検出する間発電を行う発電装置とを含む複数の分散電源を有する電力供給システムの制御方法であって、
連系運転時に、商用電源系統からの出力を負荷に供給するように連系運転スイッチを閉塞するステップと、
前記発電装置からの出力を、前記第1電流センサを経由しないで前記負荷に供給するようにスイッチを閉塞するステップと、
前記発電装置からの出力を、前記第1電流センサを経由して前記負荷に供給するようにスイッチを閉塞するステップと、
を含み、
前記第1電流センサは、前記連系運転スイッチと前記負荷の間に配置されることを特徴とする電力供給システムの制御方法。 - 蓄電池と、第1電流センサが順潮流を検出する間発電を行う発電装置とを含む複数の分散電源の制御を行う電力供給装置であって、
連系運転時に、商用電源系統からの出力を負荷に供給するように閉塞される連系運転スイッチと、
前記発電装置からの出力を、前記第1電流センサを経由しないで前記負荷に供給するように閉塞可能な第1供給経路切替スイッチと、
前記発電装置からの出力を、前記第1電流センサを経由して前記負荷に供給するように閉塞可能な第2供給経路切替スイッチと
の制御を行う制御部を備え、
前記第1電流センサは、前記連系運転スイッチと前記負荷の間に配置されていることを特徴とする電力供給装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016520936A JP6246917B2 (ja) | 2014-05-19 | 2015-05-19 | 電力供給システム、電力供給システムの制御方法および電力供給装置 |
US15/311,823 US10243367B2 (en) | 2014-05-19 | 2015-05-19 | Power supply system, control method of power supply system, and power supply apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014-103630 | 2014-05-19 | ||
JP2014103630 | 2014-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015178016A1 true WO2015178016A1 (ja) | 2015-11-26 |
Family
ID=54553697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/002514 WO2015178016A1 (ja) | 2014-05-19 | 2015-05-19 | 電力供給システム、電力供給システムの制御方法および電力供給装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10243367B2 (ja) |
JP (1) | JP6246917B2 (ja) |
WO (1) | WO2015178016A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107147126A (zh) * | 2017-03-30 | 2017-09-08 | 华映科技(集团)股份有限公司 | 一种智能安全供电系统 |
JP2018088802A (ja) * | 2016-11-17 | 2018-06-07 | トヨタ モーター エンジニアリング アンド マニュファクチャリング ノース アメリカ,インコーポレイティド | 結合解除された適応センサシステムを備える設備 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101906886B1 (ko) * | 2016-05-11 | 2018-10-11 | 엘에스산전 주식회사 | 에너지 저장 장치 |
JP6394652B2 (ja) * | 2016-07-19 | 2018-09-26 | トヨタ自動車株式会社 | 太陽光発電装置 |
AT520273A1 (de) * | 2017-07-20 | 2019-02-15 | Xelectrix Power Gmbh | Stromversorgungsanlage sowie Raupenfahrzeug |
CN109494706A (zh) * | 2017-09-11 | 2019-03-19 | 台达电子工业股份有限公司 | 整合式供电系统 |
EP3921931A1 (en) * | 2019-06-26 | 2021-12-15 | Huawei Digital Power Technologies Co., Ltd. | Bidirectional multiple-port power conversion system and method |
US11735948B2 (en) * | 2019-07-26 | 2023-08-22 | Baidu Usa Llc | Bi-directional multi-function converter for backup battery unit |
US11722003B2 (en) | 2020-12-30 | 2023-08-08 | Sma Solar Technology Ag | Power converter and method for operating a power converter |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011188607A (ja) * | 2010-03-08 | 2011-09-22 | Seiko Electric Co Ltd | 電力供給システム、電力供給方法及び制御装置 |
WO2013015374A1 (ja) * | 2011-07-26 | 2013-01-31 | 京セラ株式会社 | 電力供給システム、分電装置、及び電力制御方法 |
JP2013126339A (ja) * | 2011-12-15 | 2013-06-24 | Panasonic Corp | 電力供給システム |
JP2013207935A (ja) * | 2012-03-28 | 2013-10-07 | Kyocera Corp | エネルギー管理システム、エネルギー管理方法及び分散電源 |
JP2014212655A (ja) * | 2013-04-19 | 2014-11-13 | 京セラ株式会社 | 電力制御システム、電力制御装置、電力制御システムの制御方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007049770A (ja) | 2005-08-05 | 2007-02-22 | Toshiba Kyaria Kk | 電源装置 |
JP4979435B2 (ja) | 2007-03-30 | 2012-07-18 | 新電元工業株式会社 | 電力貯蔵装置 |
US9564756B2 (en) * | 2013-03-15 | 2017-02-07 | Technology Research, Llc | Interface for renewable energy system |
JP6163121B2 (ja) * | 2014-02-26 | 2017-07-12 | サンケン電気株式会社 | 自立運転システム |
-
2015
- 2015-05-19 WO PCT/JP2015/002514 patent/WO2015178016A1/ja active Application Filing
- 2015-05-19 US US15/311,823 patent/US10243367B2/en not_active Expired - Fee Related
- 2015-05-19 JP JP2016520936A patent/JP6246917B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011188607A (ja) * | 2010-03-08 | 2011-09-22 | Seiko Electric Co Ltd | 電力供給システム、電力供給方法及び制御装置 |
WO2013015374A1 (ja) * | 2011-07-26 | 2013-01-31 | 京セラ株式会社 | 電力供給システム、分電装置、及び電力制御方法 |
JP2013126339A (ja) * | 2011-12-15 | 2013-06-24 | Panasonic Corp | 電力供給システム |
JP2013207935A (ja) * | 2012-03-28 | 2013-10-07 | Kyocera Corp | エネルギー管理システム、エネルギー管理方法及び分散電源 |
JP2014212655A (ja) * | 2013-04-19 | 2014-11-13 | 京セラ株式会社 | 電力制御システム、電力制御装置、電力制御システムの制御方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018088802A (ja) * | 2016-11-17 | 2018-06-07 | トヨタ モーター エンジニアリング アンド マニュファクチャリング ノース アメリカ,インコーポレイティド | 結合解除された適応センサシステムを備える設備 |
CN107147126A (zh) * | 2017-03-30 | 2017-09-08 | 华映科技(集团)股份有限公司 | 一种智能安全供电系统 |
CN107147126B (zh) * | 2017-03-30 | 2019-08-20 | 华映科技(集团)股份有限公司 | 一种智能安全供电系统 |
Also Published As
Publication number | Publication date |
---|---|
US10243367B2 (en) | 2019-03-26 |
US20170093162A1 (en) | 2017-03-30 |
JPWO2015178016A1 (ja) | 2017-04-20 |
JP6246917B2 (ja) | 2017-12-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6246917B2 (ja) | 電力供給システム、電力供給システムの制御方法および電力供給装置 | |
JP6334037B2 (ja) | 電力変換装置、電力変換装置の制御方法、及び電力変換システム | |
JP6289661B2 (ja) | 電力供給機器、電力供給システム及び電力供給機器の制御方法 | |
JP6170183B2 (ja) | 電力制御システム及び電力制御システムの制御方法 | |
WO2014171153A1 (ja) | 電力制御システム、電力制御装置、電力制御システムの制御方法 | |
JP6251288B2 (ja) | 電力制御システム、電力制御装置及び電力制御システムの制御方法 | |
WO2014171154A1 (ja) | 電力制御システム、電力制御装置、電力制御システムの制御方法 | |
JP6216066B2 (ja) | 電力制御システムの制御方法、電力制御システム、及び電力制御装置 | |
JP2016092850A (ja) | 電力供給システムの制御方法、電力供給機器及び電力供給システム | |
JP6582113B2 (ja) | 電力制御装置、電力制御システムおよび電力制御システムの制御方法 | |
JP6731417B2 (ja) | 電力制御システム及び電力制御システムの制御方法 | |
JP2016032378A (ja) | 電力制御システムの制御方法、電力制御システム、及び電力制御装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15796879 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016520936 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15311823 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 15796879 Country of ref document: EP Kind code of ref document: A1 |