NO159470C - DEVICE FOR HEAT PROTECTION OF AN ELECTRIC ENGINE. - Google Patents

DEVICE FOR HEAT PROTECTION OF AN ELECTRIC ENGINE.

Info

Publication number
NO159470C
NO159470C NO812629A NO812629A NO159470C NO 159470 C NO159470 C NO 159470C NO 812629 A NO812629 A NO 812629A NO 812629 A NO812629 A NO 812629A NO 159470 C NO159470 C NO 159470C
Authority
NO
Norway
Prior art keywords
heat protection
electric engine
engine
electric
protection
Prior art date
Application number
NO812629A
Other languages
Norwegian (no)
Other versions
NO159470B (en
NO812629L (en
Inventor
Christian Cadet
Gilles Baurand
Bernard Dumortier
Georges Souques
Original Assignee
Telemecanique Electrique
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 Telemecanique Electrique filed Critical Telemecanique Electrique
Publication of NO812629L publication Critical patent/NO812629L/en
Publication of NO159470B publication Critical patent/NO159470B/en
Publication of NO159470C publication Critical patent/NO159470C/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/09—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against over-voltage; against reduction of voltage; against phase interruption
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H6/00—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images
NO812629A 1980-08-04 1981-08-03 DEVICE FOR HEAT PROTECTION OF AN ELECTRIC ENGINE. NO159470C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8017424A FR2488458A1 (en) 1980-08-04 1980-08-04 THERMAL PROTECTION CIRCUIT OF AN ELECTRIC MOTOR COMPRISING TWO TIME-CONSTANT ORGANS

Publications (3)

Publication Number Publication Date
NO812629L NO812629L (en) 1982-02-05
NO159470B NO159470B (en) 1988-09-19
NO159470C true NO159470C (en) 1989-01-04

Family

ID=9244980

Family Applications (1)

Application Number Title Priority Date Filing Date
NO812629A NO159470C (en) 1980-08-04 1981-08-03 DEVICE FOR HEAT PROTECTION OF AN ELECTRIC ENGINE.

Country Status (11)

Country Link
AT (1) AT389961B (en)
BE (1) BE889836A (en)
CH (1) CH642199A5 (en)
DE (1) DE3129730A1 (en)
ES (1) ES504510A0 (en)
FR (1) FR2488458A1 (en)
GB (1) GB2081995B (en)
IT (1) IT1137790B (en)
NL (1) NL8103660A (en)
NO (1) NO159470C (en)
SE (1) SE447685B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819118A (en) * 1988-06-02 1989-04-04 Westinghouse Electric Corp. Electromagnetic contactor tandem control system for thermal protection of a bidirectional motor drive

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH534444A (en) * 1972-05-23 1973-02-28 Sprecher & Schuh Ag Electronic motor protection relay with current-dependent tripping
CH540587A (en) * 1972-08-22 1973-08-15 Sprecher & Schuh Ag Circuit arrangement that represents a thermal image of electrical equipment that is dependent on electrical losses
DE2600472C3 (en) * 1976-01-08 1981-12-10 Siemens AG, 1000 Berlin und 8000 München Overload protection device for an electrical machine
DE2939938C2 (en) * 1979-09-28 1984-05-30 Siemens AG, 1000 Berlin und 8000 München Overload protection arrangement for an electrical machine
FR2468238A1 (en) * 1979-10-16 1981-04-30 Telemecanique Electrique Phase loss or overvoltage protector for motor - has signal fed to comparator via Zener network and driving cut=off relay in motor supply

Also Published As

Publication number Publication date
CH642199A5 (en) 1984-03-30
ES8207661A1 (en) 1982-09-16
DE3129730A1 (en) 1982-02-25
ES504510A0 (en) 1982-09-16
IT8123345A0 (en) 1981-08-03
DE3129730C2 (en) 1990-05-31
GB2081995A (en) 1982-02-24
SE8104643L (en) 1982-02-05
ATA341381A (en) 1989-07-15
SE447685B (en) 1986-12-01
IT1137790B (en) 1986-09-10
FR2488458B1 (en) 1984-05-18
NO159470B (en) 1988-09-19
AT389961B (en) 1990-02-26
GB2081995B (en) 1985-01-09
FR2488458A1 (en) 1982-02-12
NL8103660A (en) 1982-03-01
BE889836A (en) 1981-12-01
NO812629L (en) 1982-02-05

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