FR2751800B1 - Dispositif de protection vis-a-vis d'une perte a la terre - Google Patents

Dispositif de protection vis-a-vis d'une perte a la terre

Info

Publication number
FR2751800B1
FR2751800B1 FR9709367A FR9709367A FR2751800B1 FR 2751800 B1 FR2751800 B1 FR 2751800B1 FR 9709367 A FR9709367 A FR 9709367A FR 9709367 A FR9709367 A FR 9709367A FR 2751800 B1 FR2751800 B1 FR 2751800B1
Authority
FR
France
Prior art keywords
earth
loss
protection device
device against
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.)
Expired - Fee Related
Application number
FR9709367A
Other languages
English (en)
Other versions
FR2751800A1 (fr
Inventor
Eietsu Sato
Yukihide Yamada
Koichi Yokoyama
Kazuya Aihara
Toshihiro Sekiguchi
Hidetaka Fujita
Makio Watanabe
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=16302039&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2751800(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2751800A1 publication Critical patent/FR2751800A1/fr
Application granted granted Critical
Publication of FR2751800B1 publication Critical patent/FR2751800B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H02H3/33—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 using summation current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Breakers (AREA)
FR9709367A 1996-07-23 1997-07-23 Dispositif de protection vis-a-vis d'une perte a la terre Expired - Fee Related FR2751800B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19308896A JP3452445B2 (ja) 1996-07-23 1996-07-23 漏電遮断器

Publications (2)

Publication Number Publication Date
FR2751800A1 FR2751800A1 (fr) 1998-01-30
FR2751800B1 true FR2751800B1 (fr) 2001-10-12

Family

ID=16302039

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9709367A Expired - Fee Related FR2751800B1 (fr) 1996-07-23 1997-07-23 Dispositif de protection vis-a-vis d'une perte a la terre

Country Status (4)

Country Link
JP (1) JP3452445B2 (fr)
CN (1) CN1057645C (fr)
FR (1) FR2751800B1 (fr)
SG (1) SG72746A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100349345C (zh) * 2006-02-21 2007-11-14 通领科技集团有限公司 漏电保护装置寿命终止智能检测方法及其设备
AU2008280932B8 (en) * 2007-07-24 2011-02-24 Panasonic Electric Works Co., Ltd. Charging monitor
US7911754B2 (en) * 2008-01-21 2011-03-22 Biosense Webster, Inc. Detection of current leakage through opto-switches
JP5119063B2 (ja) * 2008-07-02 2013-01-16 パナソニック株式会社 漏電検出機能付配線器具
CN103066554B (zh) * 2012-12-12 2015-02-25 常州联力自动化科技有限公司 中性点不接地系统单相电源漏电检测电路
CN104953550B (zh) * 2015-05-19 2018-12-14 中国核电工程有限公司 一种电机的漏电保护装置
CN108027399B (zh) * 2015-12-23 2020-04-28 华为技术有限公司 用于检测电击危险的电路、ac设备、通信系统和基站系统
CN110632442B (zh) * 2019-10-10 2021-11-23 华东光电集成器件研究所 一种电容老化漏电检测断电保护电路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1017723B (zh) * 1989-04-11 1992-08-05 中国农业科学院植物保护研究所 细胞分裂素混合粉剂及其制造方法

Also Published As

Publication number Publication date
CN1057645C (zh) 2000-10-18
JP3452445B2 (ja) 2003-09-29
FR2751800A1 (fr) 1998-01-30
SG72746A1 (en) 2000-05-23
CN1174436A (zh) 1998-02-25
JPH1042457A (ja) 1998-02-13

Similar Documents

Publication Publication Date Title
FR2747170B1 (fr) Dispositif d'actionnement d'une transmission
FR2744072B1 (fr) Dispositif d'actionnement
FR2744499B1 (fr) Dispositif d'assemblage
FR2715729B1 (fr) Dispositif d'indication de couple.
FR2752907B1 (fr) Boitier de dispositif d'entrainement
FR2693692B1 (fr) Dispositif d'essuie-glace.
FR2748146B1 (fr) Dispositif d'affichage
FR2747205B1 (fr) Dispositif d'auto-guidage
FR2751800B1 (fr) Dispositif de protection vis-a-vis d'une perte a la terre
FR2718999B1 (fr) Dispositif d'attelage auxiliaire.
FR2755165B1 (fr) Dispositif d'ancrage
ATA224094A (de) Schneepflug
FR2778212B1 (fr) Dispositif d'actionnement hydraulique
FR2759463B1 (fr) Dispositif d'acquisition sismique
FR2741924B1 (fr) Dispositif limiteur d'effort en traction
FR2765607B1 (fr) Dispositif connecteur d'arceaux de tente
FR2754574B1 (fr) Dispositif d'assemblage
FR2726054B1 (fr) Dispositif de blocage
FR2761753B1 (fr) Dispositif d'assemblage en angle
ATA93494A (de) Schneepflug
FR2674097B1 (fr) Dispositif de protection d'arbres.
FR2754573B1 (fr) Dispositif d'assemblage reglable
FR2686771B1 (fr) Installation d'irrigation souterraine.
FR2743177B1 (fr) Dispositif d'affichage
FR2749029B1 (fr) Dispositif d'urbanisme

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070330