FR662143A - Perfectionnements apportés aux dispositifs de protection - Google Patents

Perfectionnements apportés aux dispositifs de protection

Info

Publication number
FR662143A
FR662143A FR662143DA FR662143A FR 662143 A FR662143 A FR 662143A FR 662143D A FR662143D A FR 662143DA FR 662143 A FR662143 A FR 662143A
Authority
FR
France
Prior art keywords
protective devices
protective
devices
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR662143A publication Critical patent/FR662143A/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
    • H02H3/40—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 ratio of voltage and current
    • H02H3/402—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 ratio of voltage and current using homopolar quantities
FR662143D 1927-08-11 1928-08-11 Perfectionnements apportés aux dispositifs de protection Expired FR662143A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US662143XA 1927-08-11 1927-08-11

Publications (1)

Publication Number Publication Date
FR662143A true FR662143A (fr) 1929-08-02

Family

ID=22068022

Family Applications (1)

Application Number Title Priority Date Filing Date
FR662143D Expired FR662143A (fr) 1927-08-11 1928-08-11 Perfectionnements apportés aux dispositifs de protection

Country Status (1)

Country Link
FR (1) FR662143A (fr)

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