FR582305A - Improvements to electrical protection devices - Google Patents

Improvements to electrical protection devices

Info

Publication number
FR582305A
FR582305A FR582305DA FR582305A FR 582305 A FR582305 A FR 582305A FR 582305D A FR582305D A FR 582305DA FR 582305 A FR582305 A FR 582305A
Authority
FR
France
Prior art keywords
protection devices
electrical protection
electrical
devices
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
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.)
Electrical Improvements Ltd
Original Assignee
Electrical Improvements Ltd
Filing date
Publication date
Application filed by Electrical Improvements Ltd filed Critical Electrical Improvements Ltd
Application granted granted Critical
Publication of FR582305A publication Critical patent/FR582305A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H02H1/003—Fault detection by injection of an auxiliary voltage
FR582305D 1924-05-31 Improvements to electrical protection devices Expired FR582305A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE30830D DE450674C (en) Electrical protection system

Publications (1)

Publication Number Publication Date
FR582305A true FR582305A (en) 1924-12-16

Family

ID=7074722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR582305D Expired FR582305A (en) 1924-05-31 Improvements to electrical protection devices

Country Status (2)

Country Link
DE (1) DE450674C (en)
FR (1) FR582305A (en)

Also Published As

Publication number Publication date
DE450674C (en) 1927-10-13

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