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DE69123331D1 - Fehlerstrom Detektor für Wechselrichter und Verfahren - Google Patents

Fehlerstrom Detektor für Wechselrichter und Verfahren

Info

Publication number
DE69123331D1
DE69123331D1 DE69123331T DE69123331T DE69123331D1 DE 69123331 D1 DE69123331 D1 DE 69123331D1 DE 69123331 T DE69123331 T DE 69123331T DE 69123331 T DE69123331 T DE 69123331T DE 69123331 D1 DE69123331 D1 DE 69123331D1
Authority
DE
Germany
Prior art keywords
inverters
processes
current detector
residual current
residual
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.)
Expired - Fee Related
Application number
DE69123331T
Other languages
English (en)
Other versions
DE69123331T2 (de
Inventor
Eiichi Sugishima
Taro Ando
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69123331D1 publication Critical patent/DE69123331D1/de
Publication of DE69123331T2 publication Critical patent/DE69123331T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC
    • H02M5/42—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters
    • H02M5/44—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC
    • H02M5/453—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/458—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • 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
    • H02H7/12—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 for static converters or rectifiers
    • H02H7/1216—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 for static converters or rectifiers for AC-AC converters
    • 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
    • H02H7/12—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 for static converters or rectifiers
    • H02H7/122—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 for static converters or rectifiers for inverters, i.e. DC/AC converters
    • H02H7/1227—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 for static converters or rectifiers for inverters, i.e. DC/AC converters responsive to abnormalities in the output circuit, e.g. short circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Protection Of Static Devices (AREA)
DE69123331T 1990-12-14 1991-12-12 Fehlerstrom Detektor für Wechselrichter und Verfahren Expired - Fee Related DE69123331T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2402215A JPH04210779A (ja) 1990-12-14 1990-12-14 インバータ装置の地絡検出器及び地絡検出方法

Publications (2)

Publication Number Publication Date
DE69123331D1 true DE69123331D1 (de) 1997-01-09
DE69123331T2 DE69123331T2 (de) 1997-05-07

Family

ID=18512044

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69123331T Expired - Fee Related DE69123331T2 (de) 1990-12-14 1991-12-12 Fehlerstrom Detektor für Wechselrichter und Verfahren

Country Status (6)

Country Link
US (1) US5214575A (de)
EP (1) EP0490388B1 (de)
JP (1) JPH04210779A (de)
KR (1) KR960003405B1 (de)
DE (1) DE69123331T2 (de)
HK (1) HK1007038A1 (de)

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US5483167A (en) * 1992-09-08 1996-01-09 Mitsubishi Denki Kabushiki Kaisha Computer controlled ground detecting method for inverter unit and apparatus therefor
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JP3160414B2 (ja) * 1993-03-16 2001-04-25 株式会社東芝 変換装置
FR2717014B1 (fr) * 1994-03-01 1996-04-26 Telemecanique Système de commande d'un onduleur a MLI.
US5469351A (en) * 1994-07-05 1995-11-21 Ford Motor Company Fault isolation in an induction motor control system
US5691643A (en) * 1994-10-11 1997-11-25 Kabushiki Kaisha Toshiba Ground fault detecting apparatus and method for detecting ground fault of field circuit and exciting circuit by detecting ground fault current flowing from ground to neutral point of exciting circuit
US5687049A (en) * 1996-01-26 1997-11-11 International Rectifier Corporation Method and circuit for protecting power circuits against short circuit and over current faults
JP3430769B2 (ja) * 1996-01-31 2003-07-28 松下電器産業株式会社 電流指令型ｐｗｍインバータ
DE19617054C2 (de) * 1996-04-29 2002-05-08 Semikron Elektronik Gmbh Überstrom- und Kurzschlußsicherung
SE520611C2 (sv) * 1997-03-24 2003-07-29 Abb Ab Anläggning för överföring av elektrisk effekt
JP3565470B2 (ja) * 1997-06-13 2004-09-15 キヤノン株式会社 地絡保護装置並びにその動作方法、これを有した太陽光発電システム及びこれを有した太陽光発電システム用インバータ
ES2428120T3 (es) * 2001-09-25 2013-11-06 Daikin Industries, Ltd. Aparato para la detección de corriente de fase
US6856137B2 (en) * 2002-02-19 2005-02-15 Bae Systems Controls Inc. Ground fault detection system and method
KR100455434B1 (ko) * 2002-03-14 2004-11-06 엘지산전 주식회사 인버터의 운전 지령시의 지락 고장 검출 방법
KR100505049B1 (ko) * 2003-03-26 2005-08-03 엘에스산전 주식회사 인버터의 고장진단 방법
US7154277B2 (en) * 2003-08-29 2006-12-26 Abb Inc. Method and apparatus for detecting faults in AC to AC, or DC to AC power conversion equipments when the equipment is in a high impedance mode
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ES2624929T3 (es) * 2004-08-27 2017-07-18 Mitsubishi Denki Kabushiki Kaisha Generador de señal PWM de tres fases
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US8755206B2 (en) 2005-03-31 2014-06-17 Abb Research Ltd. Converter valve
JP4741391B2 (ja) * 2006-03-09 2011-08-03 オムロンオートモーティブエレクトロニクス株式会社 モータ駆動回路の地絡検出装置
JP2007259533A (ja) * 2006-03-22 2007-10-04 Hitachi Ltd 半導体素子の保護回路
EP1909368B1 (de) 2006-10-06 2020-05-20 Schmidhauser AG Schaltungsanordnung und Verfahren zur Isolationsüberwachung für Umrichteranwendungen
JP5014034B2 (ja) * 2007-09-12 2012-08-29 オムロンオートモーティブエレクトロニクス株式会社 多相交流モータ駆動装置
FI120565B (fi) * 2007-12-20 2009-11-30 Abb Oy Menetelmä ja laitteisto maasulun havaitsemiseen
US7894224B2 (en) * 2008-10-07 2011-02-22 DRS Power & Technologies, Inc. Voltage drive system with hysteretic current control and method of operating the same
US7741731B2 (en) * 2008-10-30 2010-06-22 Arico Technology Co., Ltd. PWM power regulator device
US8149551B2 (en) * 2009-04-09 2012-04-03 Hamilton Sundstrand Corporation Systems and methods involving motor drive ground fault interrupts
JP5358356B2 (ja) * 2009-08-31 2013-12-04 株式会社日立製作所 半導体電力変換装置
FI124174B (fi) 2010-05-03 2014-04-15 Vacon Oyj Maasulkuvirran mittaaminen
DE102010030079A1 (de) * 2010-06-15 2011-12-15 Robert Bosch Gmbh Verfahren und Vorrichtung zur Überwachung des Isolationswiderstandes in einem ungeerdeten elektrischen Netz
DE102010030078A1 (de) * 2010-06-15 2011-12-15 Siemens Aktiengesellschaft Verfahren zum Sperren eines Stromrichters mit verteilten Energiespeichern
CN102480245B (zh) * 2010-11-30 2016-04-06 Ls产电株式会社 逆变器
KR101259623B1 (ko) * 2011-06-08 2013-04-29 인피니언테크놀로지스코리아(주) 인버터의 전류 제어 장치
KR20130022346A (ko) * 2011-08-24 2013-03-06 윤천영 과전류 방지 장치
EP2568560B1 (de) * 2011-09-07 2014-12-31 Siemens Aktiengesellschaft Frequenzumrichter sowie Verfahren zum Erkennen und Blockieren eines Fehlerstroms in einem Frequenzumrichter
JP5999677B2 (ja) * 2011-09-20 2016-09-28 ローム株式会社 電子回路
KR101261793B1 (ko) 2012-02-06 2013-05-07 엘에스산전 주식회사 인버터의 상전류 검출 제어장치
WO2013153596A1 (ja) * 2012-04-09 2013-10-17 東芝三菱電機産業システム株式会社 地絡検出回路およびそれを用いた電力変換装置
US9160161B2 (en) 2012-05-04 2015-10-13 Eaton Corporation System and method for ground fault detection and protection in adjustable speed drives
EP2672282A1 (de) 2012-06-07 2013-12-11 ABB Oy Erdfehlererkennung in einem Frequenzwandler
US9270168B2 (en) 2013-03-15 2016-02-23 Hamilton Sundstrand Corporation Electromagnetic interference (EMI) reduction in multi-level power converter
US20140268948A1 (en) * 2013-03-15 2014-09-18 Hamilton Sundstrand Corporation Electromagnetic interference (emi) reduction in interleaved power converter
JP6150757B2 (ja) * 2014-03-28 2017-06-21 オムロンオートモーティブエレクトロニクス株式会社 負荷駆動装置
US9431951B2 (en) * 2014-07-16 2016-08-30 Atieva, Inc. Direct torque control motor controller with transient current limiter
US9444384B2 (en) * 2014-07-16 2016-09-13 Atieva, Inc. Direct torque control motor controller with transient current limiter
GB2528694B (en) * 2014-07-29 2018-02-28 Integrated Design Ltd Turnstiles
KR101993195B1 (ko) * 2015-04-09 2019-06-26 엘에스산전 주식회사 인버터의 지락 검출 방법
WO2017061981A1 (en) 2015-10-05 2017-04-13 General Electric Company Method and system for locating ground faults in a network of drives
SE542648C2 (en) 2016-10-13 2020-06-23 Husqvarna Ab Integrated residual current device for handheld wet tools
US10756532B2 (en) 2018-07-13 2020-08-25 Kohler Co. Ground fault minimization
US10848053B2 (en) * 2018-07-13 2020-11-24 Kohler Co. Robust inverter topology
US11909197B2 (en) * 2018-09-28 2024-02-20 Mitsubishi Electric Corporation Motor drive device, blower, compressor, and air conditioner
CN109378799B (zh) * 2018-11-30 2020-04-07 南方电网科学研究院有限责任公司 三相四线制的逆变器的过流保护方法、装置及设备
KR102138360B1 (ko) * 2019-04-11 2020-07-27 엘에스일렉트릭(주) 출력지락 검출이 가능한 인버터 시스템과 이를 이용한 출력지락 검출 방법
CN115085571B (zh) * 2022-08-18 2023-02-03 深圳戴普森新能源技术有限公司 逆变系统控制方法和保护电路

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Also Published As

Publication number Publication date
KR960003405B1 (ko) 1996-03-09
EP0490388B1 (de) 1996-11-27
KR920013868A (ko) 1992-07-29
HK1007038A1 (en) 1999-03-26
US5214575A (en) 1993-05-25
DE69123331T2 (de) 1997-05-07
JPH04210779A (ja) 1992-07-31
EP0490388A3 (en) 1993-03-10
EP0490388A2 (de) 1992-06-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee