JP5682251B2 - 系統連系装置 - Google Patents

系統連系装置 Download PDF

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Publication number
JP5682251B2
JP5682251B2 JP2010257538A JP2010257538A JP5682251B2 JP 5682251 B2 JP5682251 B2 JP 5682251B2 JP 2010257538 A JP2010257538 A JP 2010257538A JP 2010257538 A JP2010257538 A JP 2010257538A JP 5682251 B2 JP5682251 B2 JP 5682251B2
Authority
JP
Japan
Prior art keywords
relay
potential difference
grid
circuit
grid connection
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
JP2010257538A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011135767A (ja
JP2011135767A5 (enExample
Inventor
森田　功
功 森田
牧野　康弘
康弘 牧野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to PCT/JP2010/070559 priority Critical patent/WO2011065278A1/ja
Priority to JP2010257538A priority patent/JP5682251B2/ja
Priority to CN2010900013346U priority patent/CN202798008U/zh
Priority to EP10833124.0A priority patent/EP2509183A4/en
Publication of JP2011135767A publication Critical patent/JP2011135767A/ja
Publication of JP2011135767A5 publication Critical patent/JP2011135767A5/ja
Application granted granted Critical
Publication of JP5682251B2 publication Critical patent/JP5682251B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H02J3/381—Dispersed generators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/002—Monitoring or fail-safe circuits
    • H01H2047/003—Detecting welded contacts and applying weld break pulses to coil
    • 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
    • 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
    • H02J3/388—Islanding, i.e. disconnection of local power supply from the network
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
JP2010257538A 2009-11-30 2010-11-18 系統連系装置 Active JP5682251B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2010/070559 WO2011065278A1 (ja) 2009-11-30 2010-11-18 系統連系装置
JP2010257538A JP5682251B2 (ja) 2009-11-30 2010-11-18 系統連系装置
CN2010900013346U CN202798008U (zh) 2009-11-30 2010-11-18 并网装置
EP10833124.0A EP2509183A4 (en) 2009-11-30 2010-11-18 POWER SUPPLY UNIT

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009271846 2009-11-30
JP2009271846 2009-11-30
JP2010257538A JP5682251B2 (ja) 2009-11-30 2010-11-18 系統連系装置

Publications (3)

Publication Number Publication Date
JP2011135767A JP2011135767A (ja) 2011-07-07
JP2011135767A5 JP2011135767A5 (enExample) 2014-01-09
JP5682251B2 true JP5682251B2 (ja) 2015-03-11

Family

ID=44066382

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010257538A Active JP5682251B2 (ja) 2009-11-30 2010-11-18 系統連系装置

Country Status (4)

Country Link
EP (1) EP2509183A4 (enExample)
JP (1) JP5682251B2 (enExample)
CN (1) CN202798008U (enExample)
WO (1) WO2011065278A1 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014171272A (ja) * 2011-06-30 2014-09-18 Sanyo Electric Co Ltd インバータおよびそれを搭載した電力変換装置
JP6047490B2 (ja) * 2011-07-26 2016-12-21 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
AT512983B1 (de) * 2012-06-13 2014-06-15 Fronius Int Gmbh Verfahren zur Prüfung einer Trennstelle eines Photovoltaik-Wechselrichters und Photovoltaik-Wechselrichter
JP5472415B2 (ja) * 2012-09-21 2014-04-16 株式会社安川電機 電力変換装置
CN103595265A (zh) * 2013-11-15 2014-02-19 山东航宇船业集团有限公司 内河船舶用小型风力发电变换器
JP6203012B2 (ja) * 2013-11-20 2017-09-27 三菱電機株式会社 系統連系インバータ装置
KR20150109153A (ko) * 2014-03-19 2015-10-01 엘에스산전 주식회사 케이블 설치형 충전 제어 장치 및 그 동작 방법
CN103887955B (zh) * 2014-04-08 2016-08-17 盐城工学院 抑制燃料电池输出低频电流纹波的并网逆变器及控制装置
JP6350034B2 (ja) 2014-06-30 2018-07-04 アイシン精機株式会社 分散型電源の系統連系装置
CN104142008A (zh) * 2014-08-18 2014-11-12 珠海格力电器股份有限公司 光伏空调器和光伏空调系统
JP5844869B1 (ja) * 2014-09-24 2016-01-20 田淵電機株式会社 系統連系用リレーの異常検出装置、及びパワーコンディショナ
JP6351480B2 (ja) * 2014-10-28 2018-07-04 三菱電機株式会社 系統連系インバータ装置
JP6333746B2 (ja) * 2015-01-27 2018-05-30 株式会社椿本チエイン スイッチ装置、電力変換装置及びスイッチの短絡判定方法
WO2017085883A1 (ja) * 2015-11-20 2017-05-26 田淵電機株式会社 リレーの異常検出装置及びパワーコンディショナ
WO2017090139A1 (ja) * 2015-11-26 2017-06-01 田淵電機株式会社 系統連系用リレーの異常検出装置及びパワーコンディショナ
JP6897333B2 (ja) * 2017-05-31 2021-06-30 住友電気工業株式会社 電源装置及び溶着判定方法
JP6848700B2 (ja) * 2017-06-01 2021-03-24 株式会社村田製作所 系統連系装置
JP7117493B2 (ja) * 2017-09-29 2022-08-15 パナソニックＩｐマネジメント株式会社 系統連系システム
IT201800002907A1 (it) * 2018-02-21 2019-08-21 Ferrari Spa Dispositivo di controllo di interfaccia di potenza di una batteria di propulsione veicolare
JP7028034B2 (ja) * 2018-04-04 2022-03-02 株式会社アイシン 分散型電源の系統連系装置
JP7341048B2 (ja) * 2019-12-25 2023-09-08 オムロン株式会社 溶着検出装置及び溶着検出方法
JP7571534B2 (ja) * 2020-12-24 2024-10-23 セイコーエプソン株式会社 異常検出回路および異常検出方法
KR20230082970A (ko) * 2021-12-02 2023-06-09 주식회사 엘지에너지솔루션 릴레이 융착 진단 회로 및 릴레이 융착 진단 방법
CN115718255A (zh) * 2022-11-14 2023-02-28 美的威灵电机技术（上海）有限公司 检测电路、检测方法、装置、储能系统和可读存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000173428A (ja) * 1998-12-01 2000-06-23 Sanyo Electric Co Ltd 電気自動車のメインリレー溶着検出装置
JP3979278B2 (ja) * 2002-11-29 2007-09-19 松下電工株式会社 系統連系インバータ装置
EP1601093B1 (en) * 2004-05-17 2010-03-24 Sanyo Electric Co., Ltd. Inverter with detection of welding of relay contacts
JP2007026741A (ja) * 2005-07-13 2007-02-01 Jtekt Corp リレー接点の溶着検出装置
JP2007174792A (ja) * 2005-12-21 2007-07-05 Kawamura Electric Inc 系統連系インバータ装置

Also Published As

Publication number Publication date
EP2509183A4 (en) 2016-01-27
EP2509183A1 (en) 2012-10-10
JP2011135767A (ja) 2011-07-07
WO2011065278A1 (ja) 2011-06-03
CN202798008U (zh) 2013-03-13

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