WO2013018600A1 - Système d'alimentation électrique - Google Patents

Système d'alimentation électrique Download PDF

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Publication number
WO2013018600A1
WO2013018600A1 PCT/JP2012/068773 JP2012068773W WO2013018600A1 WO 2013018600 A1 WO2013018600 A1 WO 2013018600A1 JP 2012068773 W JP2012068773 W JP 2012068773W WO 2013018600 A1 WO2013018600 A1 WO 2013018600A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
storage device
power supply
commercial
generation unit
Prior art date
Application number
PCT/JP2012/068773
Other languages
English (en)
Japanese (ja)
Inventor
真宏 原田
井上　博之
Original Assignee
大和ハウス工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大和ハウス工業株式会社 filed Critical 大和ハウス工業株式会社
Priority to CN201280034098.1A priority Critical patent/CN103650291B/zh
Publication of WO2013018600A1 publication Critical patent/WO2013018600A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a technology of a power supply system that includes a power storage device and can supply power to a specific load from the power storage device when a commercial power supply fails.
  • the power charged in the power storage device is used instead of the commercial power supply.
  • the load can be supplied.
  • the power storage device can be charged again by supplying power from the commercial power source not only to the load but also to the power storage device.
  • the present invention has been made in view of the above situation, and a problem to be solved is to provide a power supply system capable of supplying more power to a load during a power failure.
  • a power generation unit capable of generating power using natural energy
  • a commercial power source and a power storage device connected to the power generation unit and capable of charging power from the commercial power source and the power generation unit
  • a power supply system that supplies power from the power generation unit, the power storage device, and the commercial power source to a specific load, and the power storage device, when the commercial power source is available, It is possible to charge the power from the power generation unit, and when the commercial power supply fails, it is possible to charge the power from the power generation unit while discharging the charged power to the specific load It is a thing.
  • the power storage device does not charge and discharge power simultaneously when the commercial power source is available, and simultaneously charges and discharges power when the commercial power source fails. It is preferable that this is possible.
  • the power storage device when the commercial power supply fails (emergency), the power storage device supplies the power to a specific load as appropriate while charging the power from the power generation unit. For this reason, compared with the case where an electrical storage apparatus is not charged at the time of electric power supply, more electric power (more than the maximum capacity
  • the power storage device is normally prevented from deteriorating, and when the commercial power supply fails, the power storage device is charged and discharged at the same time to supply more power to a specific load. Can be supplied to.
  • the power supply system 1 is provided in a house or the like and supplies power from the commercial power source 100 and power generated by natural energy to a specific load.
  • the power supply system 1 mainly includes a power generation unit 10, a power conditioner 20, a distribution board 30, a power storage device 40, a load 50 (specific load), other loads 80, a home server 60, a portable terminal 70, and the like. .
  • the power generation unit 10 is a device that generates power using sunlight, and includes a solar cell panel or the like.
  • the power generation unit 10 is installed on a roof of a house, for example.
  • the power conditioner 20 has a function of converting the DC power generated by the power generation unit 10 into AC power and matching the voltage, frequency, and phase of the commercial power supply 100.
  • the power conditioner 20 is connected to the power generation unit 10.
  • the power conditioner 20 is provided with an operation changeover switch 20a for switching ON and OFF of the “self-sustaining operation mode” at the time of power failure (when power from the commercial power supply 100 cannot be supplied). Further, the power conditioner 20 is provided with an emergency outlet 21 for taking out electric power from the power generation unit 10 at the time of a power failure (emergency).
  • the distribution board 30 is a collection of earth leakage breakers, wiring breakers, control units, and the like.
  • the distribution board 30 is connected to the power conditioner 20 and the commercial power supply 100.
  • the distribution board 30 is provided with a charging / discharging outlet 31 through which a power storage device 40 described later performs charging, discharging, and exchange of information (data).
  • the power storage device 40 charges power and discharges the charged power.
  • the power storage device 40 includes a lithium ion battery that can charge and discharge power, an inverter that converts DC power from the lithium ion battery into AC power, and the like.
  • the power storage device 40 is connected to the emergency outlet 21 via a charging cord 41 in the event of a power failure (emergency).
  • the power storage device 40 is connected to the charging / discharging outlet 31 via a charging cord 42 and a discharging cord 43 in a normal state.
  • the power storage device 40 is connected to the charging / discharging outlet 31 via the LAN cable 44.
  • the load 50 is an electrical appliance or the like that consumes electric power in a house, and is a “specific load” that needs to supply electric power even during a power failure (emergency).
  • a living outlet 51 provided in the living room, a refrigerator 52, and a living lighting 53 provided in the living room are used as the load 50 (specific load).
  • a television 51a is connected to the living outlet 51.
  • the load 50 is connected to the distribution board 30 and the power storage device 40 indirectly (in the present embodiment, via the charging / discharging outlet 31 and a leakage breaker not shown).
  • the other loads 80 are electrical appliances that consume electric power in a house, and unlike the above-described load 50 (specific load), it is not necessary to supply power during a power outage (emergency) (emergency A load that is sometimes less necessary to supply power). Examples of the other loads 80 include an outlet and a lighting provided outside the living room. The other loads 80 are connected to the distribution board 30.
  • the home server 60 is a control unit that manages information in the power supply system 1.
  • Home server 60 is connected to distribution board 30.
  • the home server 60 can exchange information with the power conditioner 20, the power storage device 40, and the like, and can control the operation of the power conditioner 20, the power storage device 40, and the like.
  • the portable terminal 70 is for a resident of the house to check the state of the power supply system 1 or to perform an operation for changing the operation state of the power supply system 1.
  • a touch panel combining a display device and an input device can be used.
  • the portable terminal 70 can exchange information with the home server 60 wirelessly.
  • the operation changeover switch 20a of the power conditioner 20 is turned off by the resident. In this case, the self-sustained operation mode of the power conditioner 20 is turned off, and power cannot be taken out from the emergency outlet 21 of the power conditioner 20.
  • the DC power generated in the power generation unit 10 is converted into AC power in the power conditioner 20 and supplied to the distribution board 30. Further, AC power from the commercial power source 100 is also supplied to the distribution board 30.
  • the electric power supplied from the power generation unit 10 and the commercial power source 100 to the distribution board 30 is charged to the power storage device 40 via the cord 42 in an appropriate time zone.
  • the charging time period can be arbitrarily set using the portable terminal 70. For example, if it is set to charge at midnight, midnight power with a low charge can be charged to the power storage device 40. Moreover, if it sets so that the electric power from the electric power generation part 10 may be charged in the time zone when sunlight of daytime is fully irradiated, the electric power generated using the natural energy (sunlight) in the said electric power generation part 10 The power storage device 40 can be charged.
  • the power supplied from the power generation unit 10 and the commercial power source 100 to the distribution board 30 is supplied to the specific load 50 and other loads 80. That is, the resident can watch the television 51a, cool food in the refrigerator 52, or turn on the living lighting 53 with the power from the power generation unit 10 and the commercial power source 100.
  • the power charged in the power storage device 40 can be supplied to the load 50 and other loads 80 via the cord 43, the distribution board 30 and the like. In this case, electric power (power purchase) supplied from the commercial power supply 100 can be reduced.
  • the time zone for supplying power from the power storage device 40 to the load 50 can be arbitrarily set using the portable terminal 70. For example, by setting power charged at midnight to the load 50 in the daytime, the power charge can be saved. Note that when power is supplied (discharged) from the power storage device 40 to the load 50 and the other loads 80, the power from the power generation unit 10 and the commercial power supply 100 is not charged to the power storage device 40 at the same time. Thus, by preventing charging and discharging from being performed at the same time, deterioration of the power storage device 40 (more specifically, the storage battery (lithium ion battery) in the power storage device 40) can be prevented.
  • control for appropriately supplying power from the power generation unit 10, the commercial power source 100, and the power storage device 40 to the load 50 and other loads 80 is performed based on the control program stored in the home server 60.
  • the power supply state as described above is displayed on the display device of the portable terminal 70, and the resident can check the power supply state with the portable terminal 70.
  • the power system from the commercial power supply 100 to the distribution board 30 and the power system from the power conditioner 20 to the distribution board 30 (distribution of power) so as not to hinder the power restoration work of the power company. Electric power is not sent to the power system via the panel 30.
  • the resident switches the operation switch 20a of the power conditioner 20 to ON.
  • the self-sustained operation mode of the power conditioner 20 is turned on, and power can be taken out from the emergency outlet 21 of the power conditioner 20.
  • the operation changeover switch 20a can be configured to transmit information detected as a power failure in the distribution board 30 to the power conditioner 20 and to be automatically switched on.
  • the electric power generated in the power generation unit 10 is charged into the power storage device 40 via the power conditioner 20, the emergency outlet 21, and the cord 41.
  • the electric power charged in the power storage device 40 (electric power charged in advance in normal time and electric power supplied from the power generation unit 10 in emergency) is supplied via the cord 43 and the like.
  • a load 50 is supplied. Since the amount of power that can be used during a power failure is limited, only the minimum necessary load (load 50) is supplied, and no power is supplied to the other loads 80.
  • the power from the power generation unit 10 can be charged to the power storage device 40, and at the same time, the power of the power storage device 40 can be supplied to the load 50.
  • the power storage device 40 more specifically, a storage battery (lithium ion battery) in the power storage device 40
  • discharging are performed only at the time of a power failure (emergency). Therefore, power can be efficiently supplied to the load 50 in an emergency while minimizing deterioration of the power storage device 40.
  • the power supply system 1 is connected to the power generation unit 10 capable of generating power using natural energy, the commercial power source 100 and the power generation unit 10, and the power from the commercial power source 100 and the power generation unit 10.
  • a power supply system 1 that supplies electric power from the power generation unit 10, the power storage device 40, and the commercial power source 100 to a specific load 50, and the power storage device 40 includes a commercial power source
  • 100 is available, it is possible to charge the electric power from the commercial power source 100 and the power generation unit 10, and when the commercial power source 100 fails, while discharging the charged power to a specific load 50, The power from the power generation unit 10 can be charged.
  • the power storage device 40 supplies the power to the specific load 50 as appropriate while charging the power from the power generation unit 10. For this reason, as compared with the case where the power storage device 40 is not charged at the time of power supply (when supplying only precharged power), a larger amount of power (more than the maximum capacity of the power storage device 40) is specified. Can be supplied to the load.
  • the power storage device 40 does not charge and discharge power simultaneously when the commercial power source 100 is available, and can charge and discharge power simultaneously when the commercial power source 100 fails. .
  • the power storage device 40 is charged and discharged at the same time, and more power is specified.
  • the load 50 can be supplied.
  • the load is directly applied to the emergency outlet 21 of the power conditioner 20 in an emergency. Therefore, it is possible to easily supply power to the specific load 50. Furthermore, electric power can be supplied to the living lighting 53 that cannot be directly connected to the emergency outlet 21.
  • produces electricity using sunlight was illustrated as one Embodiment of the power generation part which can generate electric power using natural energy, this invention is not limited to this. For example, it may generate electricity using wind power.
  • the electrical storage apparatus 40 which comprises a lithium ion battery was illustrated as one Embodiment of an electrical storage apparatus, this invention is not restricted to this, For example, comprises a lead storage battery etc. There may be.
  • TV 51a TV 51a
  • refrigerator 52 the living lighting 53
  • living lighting 53 any load
  • this invention is not limited to this, Other load It is also possible to set a specific load (for example, lighting in a hallway).
  • the present invention is applicable to a power supply system that includes a power storage device and can supply power to a specific load from the power storage device when a commercial power supply fails.

Abstract

L'invention porte sur un système d'alimentation électrique qui peut, en cas d'une panne de courant, fournir plus d'énergie à une charge. Un système d'alimentation électrique (1) comprend une unité de génération d'énergie (10) qui peut générer de l'énergie électrique à l'aide d'énergie naturelle, et un appareil de stockage électrique (40), qui est connecté à une alimentation électrique commerciale (100) et à l'unité de génération d'énergie (10), et peut être chargé en énergie fournie par l'alimentation électrique commerciale (100) et l'unité de génération d'énergie (10), et le système d'alimentation électrique fournit à une charge spécifiée (50) de l'énergie fournie par l'unité de génération d'énergie (10), l'appareil de stockage électrique (40) et l'alimentation électrique commerciale (100). Dans des cas où l'alimentation électrique commerciale (100) peut être utilisée, l'appareil de stockage électrique (40) est capable d'être chargé par l'énergie fournie par l'alimentation électrique commerciale (100) et l'unité de génération d'énergie (10), et quand l'alimentation électrique commerciale (100) fait défaut, l'appareil de stockage électrique est capable d'être chargé par de l'énergie fournie par l'unité de génération d'énergie (10), tout en déchargeant l'énergie chargée vers la charge spécifiée (50).
PCT/JP2012/068773 2011-07-29 2012-07-25 Système d'alimentation électrique WO2013018600A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201280034098.1A CN103650291B (zh) 2011-07-29 2012-07-25 电力供给系统

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-167482 2011-07-29
JP2011167482A JP5296161B2 (ja) 2011-07-29 2011-07-29 電力供給システム

Publications (1)

Publication Number Publication Date
WO2013018600A1 true WO2013018600A1 (fr) 2013-02-07

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JP (1) JP5296161B2 (fr)
CN (1) CN103650291B (fr)
MY (1) MY167347A (fr)
WO (1) WO2013018600A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2999078A1 (fr) * 2013-05-17 2016-03-23 Ingeteam Power Technology, S.A. Système d'alimentation électrique sans interruption cc et ca et procédé de commande de ce dernier

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5795229B2 (ja) * 2011-09-30 2015-10-14 大和ハウス工業株式会社 電力供給システム
US9923398B2 (en) 2013-03-22 2018-03-20 Panasonic Intellectual Property Management Co., Ltd. Electricity-storage system, monitoring device, and power control system
JP6025637B2 (ja) * 2013-03-26 2016-11-16 大和ハウス工業株式会社 電力供給システム
CN106549477A (zh) * 2015-09-21 2017-03-29 晓星电力有限责任公司 利用太阳光发电的混合电源供应装置
WO2022270010A1 (fr) * 2021-06-22 2022-12-29 株式会社クボタ Machine de travail électrique et système de charge pour machine de travail électrique

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JP2000004545A (ja) * 1998-06-15 2000-01-07 Sumitomo Electric Ind Ltd 電源電力供給総合管理システム
JP2001320833A (ja) * 2000-05-10 2001-11-16 Misawa Homes Co Ltd 太陽光発電装置

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JPH07322504A (ja) * 1994-05-20 1995-12-08 Toshiba Corp 電力供給システム
JP3293433B2 (ja) * 1995-11-06 2002-06-17 オムロン株式会社 パワーコンディショナおよび分散型電源システム
JP2011050131A (ja) * 2009-08-25 2011-03-10 Hot Plan:Kk 住宅用給電システム及びそれを構成する給電制御装置
CN101841188A (zh) * 2010-02-08 2010-09-22 哈尔滨工业大学 电能回馈式光网混合供电不间断逆变电源
JP5796212B2 (ja) * 2011-05-31 2015-10-21 パナソニックＩｐマネジメント株式会社 電力供給システム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000004545A (ja) * 1998-06-15 2000-01-07 Sumitomo Electric Ind Ltd 電源電力供給総合管理システム
JP2001320833A (ja) * 2000-05-10 2001-11-16 Misawa Homes Co Ltd 太陽光発電装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2999078A1 (fr) * 2013-05-17 2016-03-23 Ingeteam Power Technology, S.A. Système d'alimentation électrique sans interruption cc et ca et procédé de commande de ce dernier
EP2999078B1 (fr) * 2013-05-17 2023-12-20 Ingeteam Power Technology, S.A. Système d'alimentation électrique sans interruption cc et ca et procédé de commande de ce dernier

Also Published As

Publication number Publication date
JP5296161B2 (ja) 2013-09-25
JP2013031339A (ja) 2013-02-07
MY167347A (en) 2018-08-16
CN103650291A (zh) 2014-03-19
CN103650291B (zh) 2016-08-24

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