FR712844A - Système de protection contre mise à la terre double - Google Patents

Système de protection contre mise à la terre double

Info

Publication number
FR712844A
FR712844A FR712844DA FR712844A FR 712844 A FR712844 A FR 712844A FR 712844D A FR712844D A FR 712844DA FR 712844 A FR712844 A FR 712844A
Authority
FR
France
Prior art keywords
protection system
earthing protection
double earthing
double
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
Application number
Other languages
English (en)
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR712844A publication Critical patent/FR712844A/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
    • H02H3/42—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 product of voltage and current
    • H02H3/422—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 product of voltage and current using homopolar quantities
FR712844D 1930-02-22 1931-02-23 Système de protection contre mise à la terre double Expired FR712844A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE712844X 1930-02-22

Publications (1)

Publication Number Publication Date
FR712844A true FR712844A (fr) 1931-10-13

Family

ID=6622792

Family Applications (1)

Application Number Title Priority Date Filing Date
FR712844D Expired FR712844A (fr) 1930-02-22 1931-02-23 Système de protection contre mise à la terre double

Country Status (1)

Country Link
FR (1) FR712844A (fr)

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