FR1172163A - Relay measuring device whose operation depends on variations in the value of an active quantity - Google Patents

Relay measuring device whose operation depends on variations in the value of an active quantity

Info

Publication number
FR1172163A
FR1172163A FR1172163DA FR1172163A FR 1172163 A FR1172163 A FR 1172163A FR 1172163D A FR1172163D A FR 1172163DA FR 1172163 A FR1172163 A FR 1172163A
Authority
FR
France
Prior art keywords
variations
value
measuring device
device whose
whose operation
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
Allmanna Svenska Elektriska 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, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Application granted granted Critical
Publication of FR1172163A publication Critical patent/FR1172163A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/36—Relay coil or coils forming part of a bridge circuit
    • 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
    • H02H3/44—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 the rate of change of electrical quantities
FR1172163D 1956-01-31 1957-01-31 Relay measuring device whose operation depends on variations in the value of an active quantity Expired FR1172163A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE353437X 1956-01-31

Publications (1)

Publication Number Publication Date
FR1172163A true FR1172163A (en) 1959-02-06

Family

ID=20308696

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1172163D Expired FR1172163A (en) 1956-01-31 1957-01-31 Relay measuring device whose operation depends on variations in the value of an active quantity

Country Status (5)

Country Link
BE (1) BE554632A (en)
CH (1) CH353437A (en)
DE (1) DE1044939B (en)
FR (1) FR1172163A (en)
GB (1) GB801505A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE518765C (en) * 1928-09-26 1931-02-20 Siemens Schuckertwerke Akt Ges Arrangement for influencing electrical switching, measuring or display devices
DE754474C (en) * 1931-05-24 1952-11-24 Aeg Electric relay
DE939703C (en) * 1943-01-15 1956-03-01 Siemens Ag Arrangement to improve the indication of earth fault relays
DE955070C (en) * 1953-06-21 1956-12-27 Siemens Ag Protection circuit for electrical consumer systems, especially lighting systems in underground operations

Also Published As

Publication number Publication date
DE1044939B (en) 1958-11-27
GB801505A (en) 1958-09-17
BE554632A (en)
CH353437A (en) 1961-04-15

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