FR708878A - Improvements to AC relays - Google Patents

Improvements to AC relays

Info

Publication number
FR708878A
FR708878A FR708878DA FR708878A FR 708878 A FR708878 A FR 708878A FR 708878D A FR708878D A FR 708878DA FR 708878 A FR708878 A FR 708878A
Authority
FR
France
Prior art keywords
relays
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
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 ASEA AB filed Critical ASEA AB
Application granted granted Critical
Publication of FR708878A publication Critical patent/FR708878A/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
    • H02H1/0038—Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
    • H02H1/0053—Means for storing the measured quantities during a predetermined time
FR708878D 1930-01-07 1931-01-06 Improvements to AC relays Expired FR708878A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE708878X 1930-01-07

Publications (1)

Publication Number Publication Date
FR708878A true FR708878A (en) 1931-07-29

Family

ID=20315661

Family Applications (1)

Application Number Title Priority Date Filing Date
FR708878D Expired FR708878A (en) 1930-01-07 1931-01-06 Improvements to AC relays

Country Status (1)

Country Link
FR (1) FR708878A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2539451A1 (en) * 1975-09-04 1977-03-10 Siemens Ag ELECTRONIC POWER RELAY, IN PARTICULAR REVERSE POWER PROTECTION RELAY

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2539451A1 (en) * 1975-09-04 1977-03-10 Siemens Ag ELECTRONIC POWER RELAY, IN PARTICULAR REVERSE POWER PROTECTION RELAY

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