FR1071520A - Installation automatic circuit breaker with differential relay - Google Patents

Installation automatic circuit breaker with differential relay

Info

Publication number
FR1071520A
FR1071520A FR1071520DA FR1071520A FR 1071520 A FR1071520 A FR 1071520A FR 1071520D A FR1071520D A FR 1071520DA FR 1071520 A FR1071520 A FR 1071520A
Authority
FR
France
Prior art keywords
circuit breaker
automatic circuit
differential relay
installation automatic
installation
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
Application number
Other languages
French (fr)
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
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 Landis and Gyr AG filed Critical Landis and Gyr AG
Application granted granted Critical
Publication of FR1071520A publication Critical patent/FR1071520A/en
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
    • H02H3/26—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
FR1071520D 1952-03-12 1953-02-26 Installation automatic circuit breaker with differential relay Expired FR1071520A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1071520X 1952-03-12

Publications (1)

Publication Number Publication Date
FR1071520A true FR1071520A (en) 1954-09-01

Family

ID=4555905

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1071520D Expired FR1071520A (en) 1952-03-12 1953-02-26 Installation automatic circuit breaker with differential relay

Country Status (2)

Country Link
BE (1) BE518321A (en)
FR (1) FR1071520A (en)

Also Published As

Publication number Publication date
BE518321A (en)

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