WO2017072848A1 - Dispositif et procédé d'alimentation électrique - Google Patents

Dispositif et procédé d'alimentation électrique Download PDF

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Publication number
WO2017072848A1
WO2017072848A1 PCT/JP2015/080194 JP2015080194W WO2017072848A1 WO 2017072848 A1 WO2017072848 A1 WO 2017072848A1 JP 2015080194 W JP2015080194 W JP 2015080194W WO 2017072848 A1 WO2017072848 A1 WO 2017072848A1
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WO
WIPO (PCT)
Prior art keywords
power supply
information
disaster
load
voltage
Prior art date
Application number
PCT/JP2015/080194
Other languages
English (en)
Japanese (ja)
Inventor
裕 久保山
川口　仁
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2015/080194 priority Critical patent/WO2017072848A1/fr
Priority to JP2017547224A priority patent/JP6391849B2/ja
Publication of WO2017072848A1 publication Critical patent/WO2017072848A1/fr

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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
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • 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
    • 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

Definitions

  • a home appliance When a commercial system (commercial power system) fails, a home appliance can be used even during a power failure by supplying the power stored in the storage battery to a load in the house.
  • a commercial system commercial power system
  • two mechanical switching points or one switching point 1 according to the grid connection regulations JEAC 9701-2012, NEC Association
  • steps ST401 and ST402 may be reversed.
  • the power supply device is electrically connected to the external commercial system 1.
  • the power supply device is electrically connected to the external load 2.
  • the power supply device and the load 2 are configured to be installed in the same house, for example.
  • the commercial system 1 supplies electric power, for example, into a house from the outside of the power supply device.
  • the illuminance monitoring unit 10 measures the illuminance of the power supply device and its surroundings with an illuminometer.
  • a power supply path from the commercial system 1 to the load 2 or a power supply path from the storage battery 3 to the load 2 is selected.
  • the control unit 6 refers to the disaster information input from the disaster monitoring unit 9, and determines, for example, whether or not the power supply device and the surrounding seismic intensity are larger than a threshold value (see step ST502). ). If the power supply device and the surrounding seismic intensity are larger than the threshold (corresponding to YES), there may be a problem with the load, wiring, distribution board, or power supply device in the house. The process is determined to be high, and the process proceeds to step ST505. Also, if the power supply device and the surrounding seismic intensity are below the threshold (corresponding to NO), there may be a problem with the load, wiring, distribution board, or power supply device in the house It judges that the nature is low, and proceeds to step ST503.
  • the self-sustained operation control in the control unit 6 may be a control that is started when there is a “request to perform self-sustained operation” from the outside.
  • the safety check can be made redundant without depending on the user's judgment without automatically starting the autonomous operation.
  • FIG. 7 is a diagram conceptually illustrating a configuration for realizing the power supply apparatus according to the present embodiment.
  • the power supply device includes the storage battery 3, the power conversion device 4, the electromagnetic contactor 5 a, the electromagnetic contactor 5 b, the control unit 6, the system voltage monitoring unit 7, and the disconnection.
  • a command unit 8 and a disaster monitoring unit 9a are provided.
  • the power supply device is electrically connected to the external commercial system 1.
  • the power supply device is electrically connected to the external load 2.
  • the power supply device and the load 2 are configured to be installed in the same house, for example.
  • the commercial system 1 supplies electric power, for example, into a house from the outside of the power supply device.
  • the disaster monitoring unit 9 a acquires data relating to the disaster from the external disaster monitoring system 12 through the communication network 11.
  • a seismometer measures the power supply device and the seismic intensity around it.
  • the disaster monitoring part 9a outputs the disaster information containing the data regarding the acquired disaster.
  • the control unit 6 controls the disconnection command unit 8 and the power conversion device 4 based on the power failure information input from the system voltage monitoring unit 7 and the disaster information input from the disaster monitoring unit 9a.
  • control unit 6 determines, for example, whether the voltage value of the commercial system 1 is smaller than a predetermined threshold regarding the power failure information. Moreover, the control part 6 judges whether a power supply apparatus and its surrounding seismic intensity are larger than a predetermined threshold regarding disaster information, for example. In addition, the comparison with the threshold value regarding power failure information may be performed in advance in the system voltage monitoring unit 7. Moreover, the comparison with the threshold value regarding disaster information may be performed in advance in the disaster monitoring unit 9a.
  • FIG. 8 is a diagram conceptually illustrating a configuration for realizing the power supply apparatus according to the present embodiment.
  • the power supply device includes the storage battery 3, the power conversion device 4, the electromagnetic contactor 5 a, the electromagnetic contactor 5 b, the control unit 6 b, the system voltage monitoring unit 7, and the disconnection.
  • a command unit 8 and a disaster monitoring unit 9 are provided.
  • the power supply device is electrically connected to the external commercial system 1.
  • the power supply device is electrically connected to the external load 2.
  • the power supply device and the load 2 are configured to be installed in the same house, for example.
  • the commercial system 1 supplies electric power, for example, into a house from the outside of the power supply device.
  • the control unit 6b is a power failure information input from the system voltage monitoring unit 7, a disaster information input from the disaster monitoring unit 9, and a request for independent operation from the external host controller 13 through the communication network 14, that is, Based on a request for selecting a power supply path from the storage battery 3 to the load 2, the disconnection command unit 8 and the power conversion device 4 are controlled.
  • control unit 6b determines, for example, whether the voltage value of the commercial system 1 is smaller than a threshold value regarding the power failure information. Moreover, the control part 6b judges whether a power supply apparatus and its surrounding seismic intensity are larger than a threshold value regarding disaster information, for example. In addition, the comparison with the threshold value regarding power failure information may be performed in advance in the system voltage monitoring unit 7. Moreover, the comparison with the threshold value regarding disaster information may be performed in advance in the disaster monitoring unit 9.
  • the control unit 6b Start autonomous operation.
  • a power supply path from the commercial system 1 to the load 2 or a power supply path from the storage battery 3 to the load 2 is selected.
  • the control part 6 is the voltage information smaller than the predetermined value, and when disaster information shows that the disaster has not generate
  • the control unit 6 determines the power supply path from the commercial grid 1 to the load 2 when the voltage information is greater than a predetermined value or the disaster information indicates the occurrence of a disaster. Select. According to such a configuration, even when a power failure is not detected based on the voltage information, or even when an occurrence of a disaster is detected based on the disaster information, switching to the independent operation by the internal power source is not possible. Not performed. Therefore, it is possible to safely switch to the independent operation by the internal power source.
  • the control unit 6a indicates that the voltage information is smaller than a predetermined value, the disaster information indicates that no disaster has occurred, and the illuminance information is greater than a predetermined value. Is smaller, the power supply path from the storage battery 3 to the load 2 is selected. According to such a configuration, even when a power failure is detected based on the voltage information, it is detected that no disaster has occurred based on the disaster information, and further, based on the illuminance information, the power supply device and its surroundings are detected. Only when the illuminance is smaller than a predetermined threshold, switching to the independent operation by the internal power source is performed. Therefore, switching to the independent operation by the internal power source can be performed only when the urgency is high.
  • the control part 6b is selection regarding selection of the electric power supply path
  • the disaster information which is the information regarding the presence or absence of the occurrence of a disaster output from the disaster monitoring unit 9 and the voltage of the commercial system 1 output from the system voltage monitoring unit 7
  • the voltage information that is information on the power supply one of a power supply path from the commercial system 1 to the load 2 and a power supply path from the storage battery 3 to the load 2 is selected.
  • each component is a conceptual unit, and one component consists of a plurality of structures, one component corresponds to a part of the structure, and a plurality of components. And the case where the component is provided in one structure.
  • Each component includes a structure having another structure or shape as long as the same function is exhibited.
  • each component described in the above embodiment is assumed to be software or firmware, or hardware corresponding thereto, and in both concepts, each component is a “unit” or “processing circuit” or the like. Called.
  • the technique disclosed in the present specification may be a case where each component is distributed and provided in a plurality of devices (that is, an aspect like a system).
  • the power supply apparatus and the power supply method related to the technology disclosed in the present specification are useful for a power supply system having a self-sustained operation, and are particularly suitable for a system that supplies electricity to a load in a house. .

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Stand-By Power Supply Arrangements (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

La technique décrite dans la présente invention concerne un dispositif d'alimentation électrique et un procédé d'alimentation électrique pouvant basculer d'une manière plus sûre vers un fonctionnement autonome utilisant une alimentation électrique interne. Le dispositif d'alimentation électrique fournit de l'énergie à une charge (2) et est pourvu : d'une alimentation électrique interne (3) pour stocker de l'énergie; d'une unité de commande (6) pour commander un trajet d'alimentation électrique menant à la charge; d'une unité de surveillance de catastrophe (9) pour sortir des informations de catastrophe qui sont des informations concernant la présence ou l'absence de la survenue d'une catastrophe; d'une unité de surveillance de tension (7) pour sortir des informations de tension qui sont des informations concernant la tension d'une alimentation électrique externe (1) qui est un système d'alimentation commercial connecté au dispositif d'alimentation électrique. L'unité de commande sélectionne soit le trajet d'alimentation électrique de l'alimentation électrique externe à la charge, soit le trajet d'alimentation électrique de l'alimentation électrique interne à la charge sur la base des informations de catastrophe et des informations de tension.
PCT/JP2015/080194 2015-10-27 2015-10-27 Dispositif et procédé d'alimentation électrique WO2017072848A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2015/080194 WO2017072848A1 (fr) 2015-10-27 2015-10-27 Dispositif et procédé d'alimentation électrique
JP2017547224A JP6391849B2 (ja) 2015-10-27 2015-10-27 電力供給装置および電力供給方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/080194 WO2017072848A1 (fr) 2015-10-27 2015-10-27 Dispositif et procédé d'alimentation électrique

Publications (1)

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WO2017072848A1 true WO2017072848A1 (fr) 2017-05-04

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Country Status (2)

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JP (1) JP6391849B2 (fr)
WO (1) WO2017072848A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0993832A (ja) * 1995-09-28 1997-04-04 Kyocera Corp 照明装置及び非常用点灯装置
JP2015156728A (ja) * 2014-01-14 2015-08-27 日立マクセル株式会社 蓄電装置及び蓄電システム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0993832A (ja) * 1995-09-28 1997-04-04 Kyocera Corp 照明装置及び非常用点灯装置
JP2015156728A (ja) * 2014-01-14 2015-08-27 日立マクセル株式会社 蓄電装置及び蓄電システム

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JPWO2017072848A1 (ja) 2018-02-15
JP6391849B2 (ja) 2018-09-19

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