ZA903328B - Solid-state trip device for a protective circuit breaker of a three phase mains system,enabling the type of fault to be detected - Google Patents

Solid-state trip device for a protective circuit breaker of a three phase mains system,enabling the type of fault to be detected

Info

Publication number
ZA903328B
ZA903328B ZA903328A ZA903328A ZA903328B ZA 903328 B ZA903328 B ZA 903328B ZA 903328 A ZA903328 A ZA 903328A ZA 903328 A ZA903328 A ZA 903328A ZA 903328 B ZA903328 B ZA 903328B
Authority
ZA
South Africa
Prior art keywords
fault
enabling
detected
solid
circuit breaker
Prior art date
Application number
ZA903328A
Other languages
English (en)
Inventor
Didier Fraisse
Fraisse Didier
Original Assignee
Merlin Gerin
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 Merlin Gerin filed Critical Merlin Gerin
Publication of ZA903328B publication Critical patent/ZA903328B/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/34—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system
ZA903328A 1989-05-03 1990-05-02 Solid-state trip device for a protective circuit breaker of a three phase mains system,enabling the type of fault to be detected ZA903328B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8906031A FR2646738B1 (fr) 1989-05-03 1989-05-03 Declencheur statique pour un disjoncteur de protection d'un reseau triphase, permettant la detection du type de defaut

Publications (1)

Publication Number Publication Date
ZA903328B true ZA903328B (en) 1991-01-30

Family

ID=9381472

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA903328A ZA903328B (en) 1989-05-03 1990-05-02 Solid-state trip device for a protective circuit breaker of a three phase mains system,enabling the type of fault to be detected

Country Status (9)

Country Link
US (1) US5077627A (ja)
EP (1) EP0396477B1 (ja)
JP (1) JP2786308B2 (ja)
KR (1) KR0133658B1 (ja)
CN (1) CN1019625B (ja)
CA (1) CA2015270A1 (ja)
DE (1) DE69004852T2 (ja)
FR (1) FR2646738B1 (ja)
ZA (1) ZA903328B (ja)

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US6366188B1 (en) 2000-03-15 2002-04-02 General Electric Company Accessory and recess identification system for circuit breakers
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US6469882B1 (en) 2001-10-31 2002-10-22 General Electric Company Current transformer initial condition correction
US6804101B2 (en) 2001-11-06 2004-10-12 General Electric Company Digital rating plug for electronic trip unit in circuit breakers
JP3851617B2 (ja) * 2003-05-27 2006-11-29 ファナック株式会社 モータ駆動装置
CN106549641B (zh) * 2015-09-16 2021-07-06 中兴通讯股份有限公司 一种保护电路
CN107884660B (zh) * 2017-10-17 2020-08-11 天津航空机电有限公司 航空交直流配电系统差动信号采集与故障检测电路
US10788540B2 (en) * 2017-10-27 2020-09-29 Semiconductor Components Industries, Llc Fault detection circuit and related methods
CN107742880B (zh) * 2017-11-24 2024-04-16 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） 一种智能直流保护装置及保护方法
CN113933738B (zh) * 2021-09-08 2024-04-16 国网甘肃省电力公司电力科学研究院 一种开关电源的监测方法及装置

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Also Published As

Publication number Publication date
DE69004852T2 (de) 1994-09-29
CN1019625B (zh) 1992-12-23
FR2646738B1 (fr) 1991-07-05
CN1047000A (zh) 1990-11-14
FR2646738A1 (fr) 1990-11-09
JPH02303314A (ja) 1990-12-17
DE69004852D1 (de) 1994-01-13
CA2015270A1 (en) 1990-11-03
US5077627A (en) 1991-12-31
EP0396477B1 (fr) 1993-12-01
JP2786308B2 (ja) 1998-08-13
KR900019302A (ko) 1990-12-24
EP0396477A1 (fr) 1990-11-07
KR0133658B1 (ko) 1998-04-23

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