JP6158109B2 - 過電圧保護装置 - Google Patents
過電圧保護装置 Download PDFInfo
- Publication number
- JP6158109B2 JP6158109B2 JP2014022376A JP2014022376A JP6158109B2 JP 6158109 B2 JP6158109 B2 JP 6158109B2 JP 2014022376 A JP2014022376 A JP 2014022376A JP 2014022376 A JP2014022376 A JP 2014022376A JP 6158109 B2 JP6158109 B2 JP 6158109B2
- Authority
- JP
- Japan
- Prior art keywords
- short circuit
- short
- circuit
- current
- overvoltage protection
- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/09—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against over-voltage; against reduction of voltage; against phase interruption
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/06—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors
- H02H7/065—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors against excitation faults
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
-
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P29/0241—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an overvoltage
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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
- 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
- H02J2300/28—The renewable source being wind energy
-
- 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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Description
Claims (2)
- 巻線形誘導機の二次側と、前記巻線形誘導機の二次側を三相の励磁電源供給線を通じて励磁する可変周波数電源との間に設けられる過電圧保護装置であって、
前記励磁電源供給線の相間を短絡させる機能を有する第一の短絡器と、
前記第一の短絡器の短絡インピーダンスよりも大きい短絡インピーダンスで前記励磁電源供給線の相間を短絡させる機能を有する第二の短絡器と、
系統故障時に前記第一の短絡器と前記第二の短絡器とを動作させ、故障除去後に前記第一の短絡器の動作を停止させ、前記第一の短絡器の動作を停止させてから所定時間後に前記第二の短絡器の動作を停止させるように制御する制御手段と
を備えたことを特徴とする過電圧保護装置。 - 前記第一の短絡器は、他励素子を備え、
前記第二の短絡器は、自励素子、抵抗、及びインダクタンスを備えていることを特徴とする請求項1に記載の過電圧保護装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014022376A JP6158109B2 (ja) | 2014-02-07 | 2014-02-07 | 過電圧保護装置 |
CN201510028699.7A CN104836206B (zh) | 2014-02-07 | 2015-01-20 | 过电压保护装置 |
EP15153940.0A EP2905858B1 (en) | 2014-02-07 | 2015-02-05 | Over-voltage prevention device |
US14/615,897 US9478972B2 (en) | 2014-02-07 | 2015-02-06 | Over-voltage prevention device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014022376A JP6158109B2 (ja) | 2014-02-07 | 2014-02-07 | 過電圧保護装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015149860A JP2015149860A (ja) | 2015-08-20 |
JP6158109B2 true JP6158109B2 (ja) | 2017-07-05 |
Family
ID=52444217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014022376A Active JP6158109B2 (ja) | 2014-02-07 | 2014-02-07 | 過電圧保護装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9478972B2 (ja) |
EP (1) | EP2905858B1 (ja) |
JP (1) | JP6158109B2 (ja) |
CN (1) | CN104836206B (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6640635B2 (ja) * | 2016-03-28 | 2020-02-05 | 株式会社東芝 | 可変速揚水発電システムの過電圧保護装置 |
JP6629452B2 (ja) * | 2016-08-09 | 2020-01-15 | 日立オートモティブシステムズ株式会社 | 誘起電圧抑制装置、モータシステム、および電力変換システム |
EP3547476B1 (en) * | 2016-11-25 | 2023-03-15 | Kabushiki Kaisha Toshiba | Overvoltage protection device of variable speed power generation system |
JP6371021B1 (ja) * | 2017-03-24 | 2018-08-08 | 株式会社東芝 | 可変速揚水発電システムおよび可変速揚水発電方法 |
CN107299880B (zh) * | 2017-08-01 | 2019-03-26 | 长沙学院 | 一种永磁直驱风力发电装置 |
EP3888210A1 (en) * | 2018-11-30 | 2021-10-06 | Innovative Power Solutions, LLC | Electrical system redundant overvoltage protection |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53149613A (en) * | 1977-06-01 | 1978-12-27 | Hitachi Ltd | Protective device of over voltage in semiconductor device |
JP2703566B2 (ja) * | 1988-08-30 | 1998-01-26 | 株式会社日立製作所 | 交流励磁同期機制御装置 |
JP2695958B2 (ja) * | 1990-03-02 | 1998-01-14 | 東京電力株式会社 | 巻線形誘導機の二次過電圧保護装置 |
JP2695959B2 (ja) * | 1990-03-05 | 1998-01-14 | 東京電力株式会社 | 巻線形誘導機の制御装置 |
JPH0654444A (ja) | 1992-07-24 | 1994-02-25 | Toshiba Corp | 過電圧保護装置 |
JP3100805B2 (ja) * | 1993-08-24 | 2000-10-23 | 東京電力株式会社 | 可変速揚水発電システムの過電圧保護装置 |
JPH08317694A (ja) * | 1995-05-19 | 1996-11-29 | Tokyo Electric Power Co Inc:The | 過電圧保護装置 |
EP1499009B1 (en) * | 2003-07-15 | 2007-10-31 | Gamesa Innovation & Technology, S.L. Unipersonal | Control and protection of a doubly-fed induction generator system |
JP2008306776A (ja) * | 2007-06-05 | 2008-12-18 | Hitachi Ltd | 風力発電システムおよびその制御方法 |
US20110057446A1 (en) * | 2008-03-28 | 2011-03-10 | Jesus Mayor Lusarreta | Wind turbine operation method and system |
AU2008363217A1 (en) * | 2008-10-20 | 2010-04-29 | Woodward Kempen Gmbh | Protection system of a doubly-fed induction machine |
US8242619B2 (en) * | 2009-02-20 | 2012-08-14 | Mitsubishi Heavy Industries, Ltd. | Coordinated control of power converter and pitch angle for wind turbine generation system |
-
2014
- 2014-02-07 JP JP2014022376A patent/JP6158109B2/ja active Active
-
2015
- 2015-01-20 CN CN201510028699.7A patent/CN104836206B/zh active Active
- 2015-02-05 EP EP15153940.0A patent/EP2905858B1/en active Active
- 2015-02-06 US US14/615,897 patent/US9478972B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US9478972B2 (en) | 2016-10-25 |
EP2905858B1 (en) | 2017-03-22 |
CN104836206B (zh) | 2018-05-08 |
US20150229120A1 (en) | 2015-08-13 |
CN104836206A (zh) | 2015-08-12 |
EP2905858A1 (en) | 2015-08-12 |
JP2015149860A (ja) | 2015-08-20 |
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