WO2016170811A1 - エネルギーマネジメントシステム - Google Patents
エネルギーマネジメントシステム Download PDFInfo
- Publication number
- WO2016170811A1 WO2016170811A1 PCT/JP2016/052075 JP2016052075W WO2016170811A1 WO 2016170811 A1 WO2016170811 A1 WO 2016170811A1 JP 2016052075 W JP2016052075 W JP 2016052075W WO 2016170811 A1 WO2016170811 A1 WO 2016170811A1
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- WIPO (PCT)
- Prior art keywords
- inverter
- converter
- power
- bidirectional
- voltage
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- 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
- H02J2300/26—The renewable source being solar energy of photovoltaic origin involving maximum power point tracking control for photovoltaic sources
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/50—Energy storage in industry with an added climate change mitigation effect
Definitions
- the present invention relates to an energy management system that uses electric power generated in a home environment or a factory.
- a solar power generation system that uses power generated by a generator, such as a solar panel, in a home environment or the like is a direct-current voltage bus (hereinafter referred to as a power bus) that transmits power generated by a power generator or power stored in a storage battery to a power system.
- a power bus a direct-current voltage bus
- a PV converter, an inverter, a bidirectional DC-DC converter, and the like are connected to the HDVC bus.
- the PV converter outputs the electric power generated by the solar power generation device at a predetermined voltage.
- a storage battery is connected to the bidirectional DC-DC converter, and a direct-current voltage exchanged between the storage battery and the HDVC bus is converted into a predetermined constant voltage.
- the HDVC bus voltage fluctuates due to an increase or decrease in the amount of power generated by the solar power generation device, there is a case where constant power cannot be stably output from the inverter.
- Patent Document 1 discloses a power supply system in which a plurality of power supply units such as a photovoltaic power generation unit are connected to a direct current bus (HVDC bus). This power supply unit autonomously determines the amount of power exchanged with the DC bus based on the DC bus voltage.
- the output power amount of the power supply unit is adjusted by changing the slope of the voltage-current characteristic of each power supply unit, and the fluctuation of the DC bus voltage is suppressed.
- an object of the present invention is to provide an energy management system capable of stabilizing the output power of an inverter with simple control.
- An energy management system includes a DC voltage bus, a power generator connected to the DC voltage bus and outputting generated power to the DC voltage bus, connected to the DC voltage bus, and connected to the DC voltage bus.
- Bidirectional DC-DC converter that inputs voltage or outputs DC voltage to DC voltage bus, and inverter that is connected to DC voltage bus and converts DC voltage input from DC voltage bus to AC voltage
- the inverter and the bidirectional DC-DC converter have the same voltage change gain with respect to each current change, and the inverter or the When the output power of the bidirectional DC-DC converter fluctuates, the bidirectional DC-D with respect to the gain characteristic of the inverter
- the output power of the inverter is brought close to the target value by making the gains of the inverter and the bidirectional DC-DC converter the same and adjusting the offset of each gain characteristic.
- the output power of the inverter can be stabilized even when the amount of power generated by the power generation device is reduced (or increased).
- the stable control of the output power of the inverter can be easily performed as compared with the case where the control is performed by changing the slope of the gain.
- An energy management system includes a plurality of bidirectional DC-DC converters, and the control unit is configured to adjust an offset of a gain characteristic for each of the plurality of bidirectional DC-DC converters. Also good.
- the power generation device is a solar power generation device, and it is preferable to search and follow values of current and voltage that maximize output power.
- the amount of power generation varies depending on the environment (installation location or weather). Maximum power can be output from the power generator according to the environment.
- the output power of the inverter can be stabilized by simple control.
- FIG. 1 is a diagram showing an energy management system 1 according to the present embodiment.
- the energy management system 1 includes a power generator 20, a bidirectional DC-DC converter 30, an inverter 40, and a control unit 50.
- the power generation device 20, the bidirectional DC-DC converter 30 and the inverter 40 are connected to the HVDC bus 10.
- the power generation device 20 includes a photovoltaic panel 21 and a PV converter 22.
- the PV converter 22 outputs the electric power generated by the photovoltaic panel 21 to the HVDC bus 10.
- the power generation device 20 may be a wind power generation device or a gas power generation device.
- the power generation device 20 detects the output voltage and the output current, and performs maximum power point tracking (MPPT: Maximum Power Point Tracking) control that maximizes the output power based on the output voltage and the output current.
- MPPT Maximum Power Point Tracking
- the power generation amount of the power generation device 20 varies depending on the environment (installation location or weather).
- the power generation device 20 detects the output voltage and the output current while changing the output current, compares the power before and after the change of the output current (output current ⁇ output voltage), searches for the maximum power point, and follows it. To do. Thereby, the electric power generating apparatus 20 can output the maximum electric power according to the environment at that time.
- a storage battery B1 is connected to the bidirectional DC-DC converter 30.
- the bidirectional DC-DC converter 30 transforms (steps up or steps down) the DC voltage output from the PV converter 22 to the HVDC bus 10 and charges the storage battery B1.
- Bidirectional DC-DC converter 30 transforms the DC voltage charged in storage battery B 1 and outputs it to HVDC bus 10.
- a switch may be provided between the bidirectional DC-DC converter 30 and the storage battery B1, and for example, the switch may be turned off when the storage battery B1 is fully charged.
- the inverter 40 is connected to the power system 101 and the distribution board 102 through the switches S1 and S2.
- An AC output terminal (AC outlet or the like) (not shown) is connected to the distribution board 102.
- a load such as a microwave oven, a washing machine, and an air conditioner is connected to the AC output terminal.
- the switches S1 and S2 are turned on during normal times when there is no abnormality in the power system 101. In addition, when the power system 101 is abnormal (for example, a power failure), the switches S1 and S2 are turned off.
- the inverter 40 converts the DC voltage input from the HVDC bus 10 into an AC voltage and outputs the AC voltage to the power system 101 or the distribution board 102. Alternatively, an AC voltage input from the power system 101 is converted into a DC voltage.
- the case where power is supplied from the inverter 40 to the power system 101 is a case where the power generated by the power generation device 20 is sold to an electric power company.
- the control unit 50 performs on / off control of the switches S1 and S2 depending on whether the power system 101 is abnormal.
- the control unit 50 is controlled to a constant voltage V BUS of HVDC bus 10 (hereinafter, referred to as bus voltage adjustment control) is performed.
- V BUS of HVDC bus 10 hereinafter, referred to as bus voltage adjustment control
- the power generation amount of the power generation device 20 varies depending on the environment. Therefore, when the power generation amount by the power generating device 20 is small, the output power from the power generator 20 low, the voltage V BUS of HVDC bus 10 is reduced. In this case, the output power PINV output from the inverter 40 to the power system 101 (or distribution board 102) also decreases.
- the control unit 50 adjusts the current-voltage characteristic (gain characteristic) of the bidirectional DC-DC converter 30 to change the output power P INV to the target value P INV *. Move closer to.
- the current output from the PV converter 22 is expressed as I PVC
- the current output from the bidirectional DC-DC converter 30 is expressed as I BDD
- the current output from the inverter 40 is expressed as I INV .
- the currents I PVC , I BDD , and I INV are positive in the direction from each circuit to the HVDC bus 10 side.
- FIG. 2 shows operating points when the amount of power generation is large.
- FIG. 3 shows operating points when the amount of power generation is small.
- FIG. 4 shows operating points when the control unit 50 performs bus voltage adjustment control.
- the horizontal axis represents the current I BUS of the HVDC bus 10
- the vertical axis represents the voltage V BUS of the HVDC bus 10.
- the voltage V CTR shown in FIGS. 2-4 the voltage setting value of the HVDC bus 10 when the output current is 0 the inverter 40 (e.g., 380V).
- the gain of the bidirectional DC-DC converter 30 and the gain of the inverter 40 are set to be equal.
- the gain is a voltage change ratio with respect to a current change. That is, the slopes (Rd) of the gain characteristics of the bidirectional DC-DC converter 30 and the inverter 40 shown in FIGS. 2 to 4 are equal.
- ⁇ V is an offset of the gain characteristic of the bidirectional DC-DC converter 30 with respect to the gain characteristic of the inverter 40.
- constant power is always output from the power generator 20 (specifically, the PV converter 22).
- the power generation amount of the power generation device 20 varies depending on the environment, the power output from the power generation device 20 varies. For example, when the power generation amount increases during fine weather, the power also increases. When the amount of power generation decreases during rainy weather, the power also decreases.
- the voltage V0 shown in FIGS. 2 to 4 is a protection operation start voltage by the power generation device 20.
- a capacitor is connected to the HVDC bus 10. If the output voltage from the power generator 20 is abnormally high, this capacitor may be destroyed. For this reason, when the voltage I BUS exceeds the voltage V0, the power generation device 20 performs control to reduce the output current and protects the capacitor.
- V BUS V1
- bidirectional DC-DC converter 30 outputs current I BDD1
- inverter 40 outputs current I INV1 .
- the control unit 50 increases the output power P BDD of the bidirectional DC-DC converter 30 to increase the inverter 40 Output power PINV .
- the controller 50 adjusts the offset ⁇ V in order to adjust the output power P BDD of the bidirectional DC-DC converter 30.
- the output power P BDD of the bidirectional DC-DC converter 30 is decreased to reduce the output power P INV of the inverter 40. Decrease.
- FIG. 4 shows gain characteristics of the bidirectional DC-DC converter 30 in which the offset ⁇ V is adjusted.
- Output power P INV output power P INV target value P INV inverter 40 with a reduced * to ( P INV).
- V BDD V1
- the current I BDD3 is output from the bidirectional DC-DC converter 30 in which the offset ⁇ V is adjusted. Since I BDD3 > I BDD2 , the output power P BDD3 of the bidirectional DC-DC converter 30 increases from the output power P BDD2 in FIG.
- the output power P BDD3 of the bidirectional DC-DC converter 30 can be adjusted by adjusting the offset ⁇ V of the gain characteristic of the bidirectional DC-DC converter 30. As a result, the output power P INV of the inverter 40 is reduced. It can approach the target value P INV *.
- the power P PVC output from power generator 20 which performs MPPT control is constant. Therefore, in FIG. 4, as the output voltage V PVC of the PV converter 22 (voltage V BUS of the HVDC bus 10) increases from V2 to V1, the gain characteristic of the PV converter 22 is indicated by a solid line from the waveform indicated by the broken line. It changes to a waveform, and the output current I PVC of the PV converter 22 decreases.
- FIG. 5 is a diagram illustrating a control block of the control unit 50.
- the controller 51 provided in the control unit 50 compares the detected output power P INV of the inverter 40 with the target value P INV * and outputs an offset ⁇ V to the bidirectional DC-DC converter 30.
- FIG. 6 is a diagram showing a control block of the PV converter 22.
- the PV converter 22 includes an MPPT control unit 221, a current control unit 222, and a converter unit 223.
- the MPPT control unit 221 is fed back with the values of the voltage V PVC and the current I PVC output from the converter unit 223.
- the MPPT control unit 221 performs maximum power point tracking control that maximizes the output power based on the voltage V PVC and the current I PVC .
- MPPT control unit 221, while varying the output current I PVC detects the output current I PVC and the output voltage V PVC, by comparing the power before and after variation of the output current I PVC, the maximum power point current Iref1 Explore.
- the current control unit 222 performs PWM control on the converter unit 223 based on the result of comparing the current Iref1 set (searched) by the MPPT control unit 221 with the output current IPVC of the converter unit 223, and The output current I PVC is matched with the current Iref1.
- FIG. 7 is a diagram showing a control block of the bidirectional DC-DC converter 30.
- the bidirectional DC-DC converter 30 includes a voltage control unit 301, a current control unit 302, and a converter unit 303.
- the voltage control unit 301 compares the calculated voltage Vref2 with the output voltage V BDD of the converter unit 303 and adjusts the current Iref2 so that the error becomes zero.
- the current control unit 302 performs PWM control on the converter unit 303 based on the result of comparing the current Iref2 calculated by the voltage control unit 301 with the output current I BDD of the converter unit 303, and outputs the output current I of the converter unit 303.
- BDD is made to coincide with the current Iref2.
- FIG. 8 is a diagram showing a control block of the inverter 40.
- the inverter 40 includes a voltage control unit 401, a current control unit 402, and an inverter unit 403.
- Voltage control unit 401 includes a voltage Vref3 calculated, based on the output voltage V INV of the inverter unit 403, calculates the current Iref3 for outputting a voltage Vref3 to the inverter unit 403.
- the current control unit 402 includes a current Iref3 calculated by the voltage control unit 401, based on a result obtained by comparing the output current I INV of the inverter 403, the inverter unit 403 and PWM control, the output current I of the inverter section 403 INV is matched with the current Iref3.
- the inverter unit 403 converts a DC voltage into an AC voltage.
- the output power of the inverter 40 is made equal to the target value by adjusting the offset ⁇ V of the gain characteristic of the bidirectional DC-DC converter 30.
- the offset ⁇ V may be calculated in the bidirectional DC-DC converter 30.
- the output of the inverter 40 is detected and the gain characteristic of the bidirectional DC-DC converter 30 is adjusted.
- the output of the inverter 40 is detected and the gain characteristic of the inverter 40 is adjusted. May be.
- the gain characteristic of the bidirectional DC-DC converter 30 is fixed, and the calculated offset ⁇ V is an offset of the gain characteristic of the inverter 40 with respect to the gain characteristic of the bidirectional DC-DC converter 30.
- processing such as output detection and offset ⁇ V calculation can be completed in the inverter 40, communication between the bidirectional DC-DC converter 30 and the inverter 40 is not necessary.
- the offset ⁇ V is calculated from the output power P INV of the inverter 40 and the target value P INV *.
- the output power P BDD of the bidirectional DC-DC converter 30 and the target value P BDD * and offset ⁇ V may be calculated.
- the output power P INV from the inverter 40 is set to the target value by converging the output power P BDD of the bidirectional DC-DC converter 30 to the target value.
- FIG. 9 is a diagram illustrating another example of the energy management system 2.
- a bidirectional DC-DC converter 31 is further connected to the HVDC bus 10.
- a storage battery B ⁇ b> 2 is connected to the bidirectional DC-DC converter 31.
- the slope Rd of the gain characteristics of the bidirectional DC-DC converters 30 and 31 is equal to that of the inverter 40. Then, the HVDC bus 10 can be brought into a balanced state by adjusting the offset ⁇ V1 of the gain characteristic of the bidirectional DC-DC converter 30 and the offset ⁇ V2 of the gain characteristic of the bidirectional DC-DC converter 31. In this case, the power of each of the bidirectional DC-DC converters 30 and 31 can be individually adjusted according to the charge amounts of the storage batteries B1 and B2 connected to the bidirectional DC-DC converters 30 and 31. Further, even when the bidirectional DC-DC converter 31 is added after the energy management system is installed, the control for bringing the HVDC bus 10 into an equilibrium state can be easily performed.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
- Control Of Electrical Variables (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
Description
S1,S2…開閉器
10…HVDCバス(直流電圧バス)
20…発電装置
21…光発電パネル
22…PVコンバータ
30,31…DC-DCコンバータ
40…インバータ
50…制御部
51…コントローラ
101…電力系統
102…分電盤
221…MPPT制御部
222…電流制御部
223…コンバータ部
301…電圧制御部
302…電流制御部
303…コンバータ部
401…電圧制御部
402…電流制御部
403…インバータ部
Claims (3)
- 直流電圧バスと、
前記直流電圧バスに接続され、発電電力を前記直流電圧バスへ出力する発電装置と、
前記直流電圧バスに接続され、前記直流電圧バスから直流電圧を入力し、または、前記直流電圧バスへ直流電圧を出力する双方向DC-DCコンバータと、
前記直流電圧バスに接続され、前記直流電圧バスから入力される直流電圧を交流電圧へ変換するインバータと、
を備え、
前記インバータと、前記双方向DC-DCコンバータとは、それぞれの電流変化に対する電圧変化のゲインを等しくしてあり、
前記発電装置の出力電流の変動に伴って、前記インバータまたは前記双方向DC-DCコンバータの出力電力が変動した場合、前記インバータのゲイン特性に対する前記双方向DC-DCコンバータのゲイン特性のオフセット、または、前記双方向DC-DCコンバータのゲイン特性に対する前記インバータのゲイン特性のオフセットを調整し、前記インバータの出力電力を目標値に近づける制御部、
をさらに備えるエネルギーマネジメントシステム。 - 前記双方向DC-DCコンバータを複数備え、
前記制御部は、
複数の前記双方向DC-DCコンバータそれぞれに対し、ゲイン特性のオフセットを調整する、
請求項1に記載のエネルギーマネジメントシステム。 - 前記発電装置は、
太陽光発電装置であり、出力電力を最大化する電流および電圧の値を探索し、追従する、
請求項1または2に記載のエネルギーマネジメントシステム。
Priority Applications (4)
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JP2016575255A JP6142966B2 (ja) | 2015-04-22 | 2016-01-26 | エネルギーマネジメントシステム |
DE112016001053.2T DE112016001053T5 (de) | 2015-04-22 | 2016-01-26 | Energiemanagementsystem |
CN201680003783.6A CN107041162B (zh) | 2015-04-22 | 2016-01-26 | 能量管理系统 |
US15/624,784 US10374434B2 (en) | 2015-04-22 | 2017-06-16 | Energy management system |
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JP2015087256 | 2015-04-22 | ||
JP2015-087256 | 2015-04-22 |
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US15/624,784 Continuation US10374434B2 (en) | 2015-04-22 | 2017-06-16 | Energy management system |
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WO2016170811A1 true WO2016170811A1 (ja) | 2016-10-27 |
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US (1) | US10374434B2 (ja) |
JP (1) | JP6142966B2 (ja) |
CN (1) | CN107041162B (ja) |
DE (1) | DE112016001053T5 (ja) |
WO (1) | WO2016170811A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019054716A (ja) * | 2017-09-12 | 2019-04-04 | 矢崎総業株式会社 | Dcdcコンバータの制御装置 |
WO2019145997A1 (ja) * | 2018-01-23 | 2019-08-01 | Tdk株式会社 | 直流給電システム |
WO2021090371A1 (ja) * | 2019-11-05 | 2021-05-14 | 三菱電機株式会社 | 受配電システム |
US11923670B2 (en) | 2020-03-11 | 2024-03-05 | Panasonic Intellectual Property Management Co., Ltd. | ARC detection device, solar inverter, indoor wiring system, circuit breaker, solar panel, solar panel attachment module, and junction box |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106300433B (zh) * | 2016-11-10 | 2019-08-13 | 阳光电源股份有限公司 | 一种光伏优化器与光伏逆变器的协调控制方法和装置 |
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2016
- 2016-01-26 JP JP2016575255A patent/JP6142966B2/ja active Active
- 2016-01-26 WO PCT/JP2016/052075 patent/WO2016170811A1/ja active Application Filing
- 2016-01-26 CN CN201680003783.6A patent/CN107041162B/zh active Active
- 2016-01-26 DE DE112016001053.2T patent/DE112016001053T5/de not_active Withdrawn
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2017
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JP2019054716A (ja) * | 2017-09-12 | 2019-04-04 | 矢崎総業株式会社 | Dcdcコンバータの制御装置 |
JP7086787B2 (ja) | 2017-09-12 | 2022-06-20 | 矢崎総業株式会社 | Dcdcコンバータの制御装置 |
WO2019145997A1 (ja) * | 2018-01-23 | 2019-08-01 | Tdk株式会社 | 直流給電システム |
US11594883B2 (en) | 2018-01-23 | 2023-02-28 | Tdk Corporation | Direct current power supplying system |
WO2021090371A1 (ja) * | 2019-11-05 | 2021-05-14 | 三菱電機株式会社 | 受配電システム |
US11923670B2 (en) | 2020-03-11 | 2024-03-05 | Panasonic Intellectual Property Management Co., Ltd. | ARC detection device, solar inverter, indoor wiring system, circuit breaker, solar panel, solar panel attachment module, and junction box |
Also Published As
Publication number | Publication date |
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CN107041162B (zh) | 2019-05-14 |
US20170288410A1 (en) | 2017-10-05 |
JP6142966B2 (ja) | 2017-06-07 |
US10374434B2 (en) | 2019-08-06 |
CN107041162A (zh) | 2017-08-11 |
DE112016001053T5 (de) | 2018-02-15 |
JPWO2016170811A1 (ja) | 2017-04-27 |
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