CN1077329C - 断路器 - Google Patents

断路器 Download PDF

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Publication number
CN1077329C
CN1077329C CN96100626A CN96100626A CN1077329C CN 1077329 C CN1077329 C CN 1077329C CN 96100626 A CN96100626 A CN 96100626A CN 96100626 A CN96100626 A CN 96100626A CN 1077329 C CN1077329 C CN 1077329C
Authority
CN
China
Prior art keywords
output
harmonic
value
current
circuit breaker
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
CN96100626A
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English (en)
Chinese (zh)
Other versions
CN1137685A (zh
Inventor
铃木幸男
藤田毅
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of CN1137685A publication Critical patent/CN1137685A/zh
Application granted granted Critical
Publication of CN1077329C publication Critical patent/CN1077329C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
CN96100626A 1995-01-09 1996-01-08 断路器 Expired - Fee Related CN1077329C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP001015/1995 1995-01-09
JP001015/95 1995-01-09
JP7001015A JPH08190851A (ja) 1995-01-09 1995-01-09 遮断器

Publications (2)

Publication Number Publication Date
CN1137685A CN1137685A (zh) 1996-12-11
CN1077329C true CN1077329C (zh) 2002-01-02

Family

ID=11489757

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96100626A Expired - Fee Related CN1077329C (zh) 1995-01-09 1996-01-08 断路器

Country Status (3)

Country Link
JP (1) JPH08190851A (ja)
KR (1) KR100196016B1 (ja)
CN (1) CN1077329C (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100922265B1 (ko) * 2007-08-20 2009-10-15 엘에스산전 주식회사 대용량 차단기
JP5212005B2 (ja) * 2008-10-08 2013-06-19 三菱電機株式会社 電子式回路遮断器
JP5243344B2 (ja) * 2009-05-20 2013-07-24 三菱電機株式会社 回路遮断器
CN104025407A (zh) * 2012-02-21 2014-09-03 株式会社东芝 综合单元以及保护继电器系统
CN104217871A (zh) * 2013-06-05 2014-12-17 施耐德电器工业公司 多功能隔离开关
CN106233417B (zh) * 2014-04-15 2019-06-18 三菱电机株式会社 电路断路器
GB2538087B (en) * 2015-05-06 2019-03-06 Torro Ventures Ltd Analysing a power circuit
US11726117B2 (en) 2020-04-30 2023-08-15 Florida Power & Light Company High frequency data transceiver and surge protection retrofit for a smart meter
CN112038183A (zh) * 2020-09-16 2020-12-04 扬州天睿电气有限公司 一种塑壳断路器及故障监测方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104687A (en) * 1976-11-24 1978-08-01 S&C Electric Company Device for detecting unbalanced conditions in a polyphase equipment bank
JPH03135324A (ja) * 1989-10-18 1991-06-10 Fuji Electric Co Ltd 高調波電流の監視警報装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104687A (en) * 1976-11-24 1978-08-01 S&C Electric Company Device for detecting unbalanced conditions in a polyphase equipment bank
JPH03135324A (ja) * 1989-10-18 1991-06-10 Fuji Electric Co Ltd 高調波電流の監視警報装置

Also Published As

Publication number Publication date
JPH08190851A (ja) 1996-07-23
KR960030288A (ko) 1996-08-17
KR100196016B1 (ko) 1999-06-15
CN1137685A (zh) 1996-12-11

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