FR1558647A - - Google Patents

Info

Publication number
FR1558647A
FR1558647A FR1558647DA FR1558647A FR 1558647 A FR1558647 A FR 1558647A FR 1558647D A FR1558647D A FR 1558647DA FR 1558647 A FR1558647 A FR 1558647A
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.)
Expired
Application number
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1558647A publication Critical patent/FR1558647A/fr
Expired 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
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault
    • 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
    • H02H3/334—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 with means to produce an artificial unbalance for other protection or monitoring reasons or remote control
    • H02H3/335—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 with means to produce an artificial unbalance for other protection or monitoring reasons or remote control the main function being self testing of the device
    • 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
    • H02H7/008—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 for protective arrangements according to this subclass
FR1558647D 1967-02-22 1968-02-21 Expired FR1558647A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST026525 1967-02-22

Publications (1)

Publication Number Publication Date
FR1558647A true FR1558647A (en) 1969-02-28

Family

ID=7461014

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1558647D Expired FR1558647A (en) 1967-02-22 1968-02-21

Country Status (4)

Country Link
CH (1) CH460139A (en)
FR (1) FR1558647A (en)
NL (1) NL6802096A (en)
SE (1) SE343719B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2369714A1 (en) * 1976-11-01 1978-05-26 Gen Electric MEANS OF DETEC
EP0440764A1 (en) * 1989-08-31 1991-08-14 Square D Co Microcomputer based electronic trip system for circuit breakers.

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378444B (en) * 1983-02-24 1985-08-12 Biegelmeier Gottfried CIRCUIT BREAKER WITH A NEUTRAL CONDUCTOR AND FAULT CURRENT TRIP
DE4220569A1 (en) * 1992-06-24 1994-01-05 Abb Patent Gmbh Test circuit arrangement for a residual current circuit breaker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2369714A1 (en) * 1976-11-01 1978-05-26 Gen Electric MEANS OF DETEC
EP0440764A1 (en) * 1989-08-31 1991-08-14 Square D Co Microcomputer based electronic trip system for circuit breakers.
EP0440764A4 (en) * 1989-08-31 1993-01-27 Square D Company Microcomputer based electronic trip system for circuit breakers

Also Published As

Publication number Publication date
DE1588832A1 (en) 1970-11-26
DE1588832B2 (en) 1972-09-07
SE343719B (en) 1972-03-13
NL6802096A (en) 1968-08-23
CH460139A (en) 1968-07-31

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Legal Events

Date Code Title Description
ST Notification of lapse