FI20075946A0 - Menetelmä ja laitteisto maasulun havaitsemiseen - Google Patents

Menetelmä ja laitteisto maasulun havaitsemiseen

Info

Publication number
FI20075946A0
FI20075946A0 FI20075946A FI20075946A FI20075946A0 FI 20075946 A0 FI20075946 A0 FI 20075946A0 FI 20075946 A FI20075946 A FI 20075946A FI 20075946 A FI20075946 A FI 20075946A FI 20075946 A0 FI20075946 A0 FI 20075946A0
Authority
FI
Finland
Prior art keywords
detecting grounding
grounding
detecting
Prior art date
Application number
FI20075946A
Other languages
English (en)
Swedish (sv)
Other versions
FI20075946A (fi
FI120565B (fi
Inventor
Vesa Tiihonen
Pekka Varis
Original Assignee
Abb Oy
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 Abb Oy filed Critical Abb Oy
Priority to FI20075946A priority Critical patent/FI120565B/fi
Publication of FI20075946A0 publication Critical patent/FI20075946A0/fi
Priority to US12/338,461 priority patent/US8203346B2/en
Publication of FI20075946A publication Critical patent/FI20075946A/fi
Application granted granted Critical
Publication of FI120565B publication Critical patent/FI120565B/fi

Links

Classifications

    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
FI20075946A 2007-12-20 2007-12-20 Menetelmä ja laitteisto maasulun havaitsemiseen FI120565B (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20075946A FI120565B (fi) 2007-12-20 2007-12-20 Menetelmä ja laitteisto maasulun havaitsemiseen
US12/338,461 US8203346B2 (en) 2007-12-20 2008-12-18 Method and apparatus for detecting ground fault

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20075946A FI120565B (fi) 2007-12-20 2007-12-20 Menetelmä ja laitteisto maasulun havaitsemiseen
FI20075946 2007-12-20

Publications (3)

Publication Number Publication Date
FI20075946A0 true FI20075946A0 (fi) 2007-12-20
FI20075946A FI20075946A (fi) 2009-06-21
FI120565B FI120565B (fi) 2009-11-30

Family

ID=38951641

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20075946A FI120565B (fi) 2007-12-20 2007-12-20 Menetelmä ja laitteisto maasulun havaitsemiseen

Country Status (2)

Country Link
US (1) US8203346B2 (fi)
FI (1) FI120565B (fi)

Families Citing this family (12)

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EP2568560B1 (de) * 2011-09-07 2014-12-31 Siemens Aktiengesellschaft Frequenzumrichter sowie Verfahren zum Erkennen und Blockieren eines Fehlerstroms in einem Frequenzumrichter
EP2568557B1 (de) * 2011-09-07 2014-02-26 Siemens Aktiengesellschaft Verfahren zum Betreiben eines Fehlerstromschutzschalters sowie Fehlerstromschutzschalter für einen Frequenzumrichter
DE102011083790A1 (de) * 2011-09-29 2013-04-04 Bender Gmbh & Co. Kg Verfahren zur Isolationsfehlerüberwachung mit dynamischem Ansprechverhalten
KR102210162B1 (ko) * 2013-03-13 2021-02-02 티악스 엘엘씨 배터리들 내 내부 단락들을 탐지하는 시스템 및 방법
GB2504565B (en) * 2013-04-12 2015-12-30 Baldwin & Francis Ltd Variable voltage drive controller, system and method
CN103412215B (zh) * 2013-07-30 2015-09-09 巢湖市金辉自控设备有限公司 一种变频器综合测量仪
JP6316449B2 (ja) * 2014-11-04 2018-04-25 三菱電機株式会社 モータ制御装置、電動パワーステアリング装置およびインバータ系故障検出方法
EP3300202A1 (de) * 2016-09-27 2018-03-28 Siemens Aktiengesellschaft Verfahren zur vermeidung eines gefährlichen erdfehlerstroms höherer frequenz für ein elektrisches antriebssystem
CN108233338B (zh) * 2016-12-15 2021-04-30 博世力士乐(西安)电子传动与控制有限公司 变频器电源装置和包含该装置的变频器
EP3570399B1 (en) * 2018-05-18 2022-03-16 ABB Schweiz AG Method and apparatus for use in earth-fault protection
CN110780224A (zh) * 2018-07-11 2020-02-11 西门子股份公司 接地故障检测电路及装置
CN113406948B (zh) * 2021-06-21 2023-02-03 合肥美的暖通设备有限公司 故障数据处理方法、装置、变频器、空调设备及存储介质

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US4203142A (en) * 1978-07-31 1980-05-13 Lee Donald E Ground fault system and method of detection
US4398232A (en) * 1981-11-13 1983-08-09 Westinghouse Electric Corp. Protective relaying methods and apparatus
DE3888243D1 (de) * 1987-06-19 1994-04-14 Festo Kg Schaltungsanordnung zum Schutz gegen Fehlerströme.
JPH04210779A (ja) * 1990-12-14 1992-07-31 Mitsubishi Electric Corp インバータ装置の地絡検出器及び地絡検出方法
US5483167A (en) * 1992-09-08 1996-01-09 Mitsubishi Denki Kabushiki Kaisha Computer controlled ground detecting method for inverter unit and apparatus therefor
US5512883A (en) * 1992-11-03 1996-04-30 Lane, Jr.; William E. Method and device for monitoring the operation of a motor
US5428549A (en) * 1993-05-28 1995-06-27 Abb Power T&D Company Transmission line fault location system
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DE19826410A1 (de) * 1997-06-17 1999-01-07 Walther Bender Gmbh & Co Kg Di Verfahren und Einrichtung zur Isolations- und Fehlerstromüberwachung in einem elektrischen Wechselstromnetz
WO2000002423A2 (en) * 1998-07-01 2000-01-13 Everbrite, Inc. Power supply for gas discharge lamp
US6297940B1 (en) * 1999-10-07 2001-10-02 Mcgraw Edison Company Protection system for devices in an electrical distribution network
US6407894B1 (en) * 1999-11-05 2002-06-18 Siemens Energy & Automation, Inc. Method and apparatus for differentially sensing ground fault and individual phases
US6545849B1 (en) * 1999-12-20 2003-04-08 General Electric Company Instantaneous fault detection circuit method and apparatus
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US6625551B1 (en) * 2000-06-09 2003-09-23 Siemens Aktiengesellschaft Fault current and differential current detection system capable of preventing spurious triggering of a protection system due to transient interference pulses
DE10106279A1 (de) * 2001-02-05 2002-08-29 Siemens Ag Verfahren zum Erzeugen eines Auslösesignals nach demStromdifferentialschutzprinzip und Stromdifferentialschutzanordnung
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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
KR100566437B1 (ko) * 2003-11-11 2006-03-31 엘에스산전 주식회사 위상천이를 이용한 인버터 고장 검출 장치 및 방법
US7196884B2 (en) * 2005-03-02 2007-03-27 Schweitzer Engineering Laboratories, Inc. Apparatus and method for detecting the loss of a current transformer connection coupling a current differential relay to an element of a power system
US7855903B2 (en) * 2005-05-23 2010-12-21 Texas Instruments Incorporated System and method for programming an internal parameter or feature in a power converter with a multi-function connector
WO2007109555A2 (en) * 2006-03-16 2007-09-27 Power Monitors, Inc. Underground monitoring system and method
US20070279068A1 (en) * 2006-05-31 2007-12-06 Harres Daniel N Power diagnostic system and method
US20080100976A1 (en) * 2006-07-25 2008-05-01 Kh Controls, Inc. Limiting energy in wiring faults combined upstream and downstream protection
US7720619B2 (en) * 2006-08-04 2010-05-18 Schweitzer Engineering Laboratories, Inc. Systems and methods for detecting high-impedance faults in a multi-grounded power distribution system
US7599161B2 (en) * 2006-12-29 2009-10-06 General Electric Company Relay device and corresponding method
US7633729B2 (en) * 2007-10-22 2009-12-15 Hamilton Sundstrand Corporation Alternating current series arc fault detection method

Also Published As

Publication number Publication date
FI20075946A (fi) 2009-06-21
US20090160453A1 (en) 2009-06-25
FI120565B (fi) 2009-11-30
US8203346B2 (en) 2012-06-19

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