FR2059627A1 - - Google Patents

Info

Publication number
FR2059627A1
FR2059627A1 FR7030546A FR7030546A FR2059627A1 FR 2059627 A1 FR2059627 A1 FR 2059627A1 FR 7030546 A FR7030546 A FR 7030546A FR 7030546 A FR7030546 A FR 7030546A FR 2059627 A1 FR2059627 A1 FR 2059627A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7030546A
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.)
Harvey Hubbell Inc
Original Assignee
Harvey Hubbell Inc
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 Harvey Hubbell Inc filed Critical Harvey Hubbell Inc
Publication of FR2059627A1 publication Critical patent/FR2059627A1/fr
Withdrawn legal-status Critical Current

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
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • 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)
  • Electronic Switches (AREA)
FR7030546A 1969-08-22 1970-08-20 Withdrawn FR2059627A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85652369A 1969-08-22 1969-08-22

Publications (1)

Publication Number Publication Date
FR2059627A1 true FR2059627A1 (fr) 1971-06-04

Family

ID=25323842

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7030546A Withdrawn FR2059627A1 (fr) 1969-08-22 1970-08-20

Country Status (4)

Country Link
AU (1) AU1768770A (fr)
DE (1) DE2036134A1 (fr)
FR (1) FR2059627A1 (fr)
ZA (1) ZA704647B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54135331A (en) * 1978-04-11 1979-10-20 Mitsubishi Electric Corp Ground fault detector
EP0177879A3 (fr) * 1984-10-06 1987-08-19 WIK Elektro-Hausgeräte-Vertriebsgesellschaft mbH & Co. Produktions-Kommanditgesellschaft Circuit sensible aux courants de défaut
CN118091486B (zh) * 2024-04-18 2024-06-28 山东云开电力有限公司 一种电力开关柜状态监测系统

Also Published As

Publication number Publication date
AU1768770A (en) 1972-01-20
ZA704647B (en) 1971-03-31
DE2036134A1 (de) 1971-02-25

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Legal Events

Date Code Title Description
ST Notification of lapse