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FR2646570B2 - DIFFERENTIAL FAULT CURRENT SWITCH, WITH ENERGY ACCUMULATION - Google Patents

DIFFERENTIAL FAULT CURRENT SWITCH, WITH ENERGY ACCUMULATION

Info

Publication number
FR2646570B2
FR2646570B2 FR8905850A FR8905850A FR2646570B2 FR 2646570 B2 FR2646570 B2 FR 2646570B2 FR 8905850 A FR8905850 A FR 8905850A FR 8905850 A FR8905850 A FR 8905850A FR 2646570 B2 FR2646570 B2 FR 2646570B2
Authority
FR
France
Prior art keywords
fault current
current switch
energy accumulation
differential fault
differential
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 - Lifetime
Application number
FR8905850A
Other languages
French (fr)
Other versions
FR2646570A2 (en
Inventor
Philippe Hugel
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.)
SERD SA
Original Assignee
SERD SA
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
Priority claimed from FR8714802A external-priority patent/FR2622369B1/en
Application filed by SERD SA filed Critical SERD SA
Priority to FR8905850A priority Critical patent/FR2646570B2/en
Priority to DE19893917478 priority patent/DE3917478C1/en
Publication of FR2646570A2 publication Critical patent/FR2646570A2/en
Application granted granted Critical
Publication of FR2646570B2 publication Critical patent/FR2646570B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of DC component by short circuits in AC networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
FR8905850A 1987-10-23 1989-04-27 DIFFERENTIAL FAULT CURRENT SWITCH, WITH ENERGY ACCUMULATION Expired - Lifetime FR2646570B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8905850A FR2646570B2 (en) 1987-10-23 1989-04-27 DIFFERENTIAL FAULT CURRENT SWITCH, WITH ENERGY ACCUMULATION
DE19893917478 DE3917478C1 (en) 1989-04-27 1989-05-30 Energy storage earth leakage protection switch - has summation current transformer with trip circuit connected across its sec. winding

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8714802A FR2622369B1 (en) 1987-10-23 1987-10-23 SELECTIVE DIFFERENTIAL SWITCH WITH FAULT CURRENT
FR8905850A FR2646570B2 (en) 1987-10-23 1989-04-27 DIFFERENTIAL FAULT CURRENT SWITCH, WITH ENERGY ACCUMULATION

Publications (2)

Publication Number Publication Date
FR2646570A2 FR2646570A2 (en) 1990-11-02
FR2646570B2 true FR2646570B2 (en) 1991-08-09

Family

ID=26226283

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8905850A Expired - Lifetime FR2646570B2 (en) 1987-10-23 1989-04-27 DIFFERENTIAL FAULT CURRENT SWITCH, WITH ENERGY ACCUMULATION

Country Status (1)

Country Link
FR (1) FR2646570B2 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2087280A5 (en) * 1970-05-13 1971-12-31 Saparel
US3848159A (en) * 1973-06-18 1974-11-12 Airpax Electronics Ground fault detector circuit with feedback to sensor
US4024435A (en) * 1974-12-05 1977-05-17 Gross Thomas A O Ground fault protective systems with variable rate integration of fault signals

Also Published As

Publication number Publication date
FR2646570A2 (en) 1990-11-02

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