ES504510A0 - IMPROVEMENTS IN A THERMAL PROTECTION DEVICE OF AN ELECTRIC MOTOR - Google Patents

IMPROVEMENTS IN A THERMAL PROTECTION DEVICE OF AN ELECTRIC MOTOR

Info

Publication number
ES504510A0
ES504510A0 ES504510A ES504510A ES504510A0 ES 504510 A0 ES504510 A0 ES 504510A0 ES 504510 A ES504510 A ES 504510A ES 504510 A ES504510 A ES 504510A ES 504510 A0 ES504510 A0 ES 504510A0
Authority
ES
Spain
Prior art keywords
electric motor
protection device
thermal protection
thermal
motor
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.)
Granted
Application number
ES504510A
Other languages
Spanish (es)
Other versions
ES8207661A1 (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.)
Telemecanique SA
Original Assignee
Telemecanique Electrique 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 Telemecanique Electrique SA filed Critical Telemecanique Electrique SA
Publication of ES504510A0 publication Critical patent/ES504510A0/en
Publication of ES8207661A1 publication Critical patent/ES8207661A1/en
Expired legal-status Critical Current

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
ES504510A 1980-08-04 1981-08-03 Thermal simulators for protecting electric motors Expired ES8207661A1 (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 (2)

Publication Number Publication Date
ES504510A0 true ES504510A0 (en) 1982-09-16
ES8207661A1 ES8207661A1 (en) 1982-09-16

Family

ID=9244980

Family Applications (1)

Application Number Title Priority Date Filing Date
ES504510A Expired ES8207661A1 (en) 1980-08-04 1981-08-03 Thermal simulators for protecting electric motors

Country Status (11)

Country Link
AT (1) AT389961B (en)
BE (1) BE889836A (en)
CH (1) CH642199A5 (en)
DE (1) DE3129730A1 (en)
ES (1) ES8207661A1 (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
DE3129730A1 (en) 1982-02-25
SE8104643L (en) 1982-02-05
DE3129730C2 (en) 1990-05-31
AT389961B (en) 1990-02-26
GB2081995A (en) 1982-02-24
FR2488458A1 (en) 1982-02-12
NO812629L (en) 1982-02-05
ATA341381A (en) 1989-07-15
CH642199A5 (en) 1984-03-30
FR2488458B1 (en) 1984-05-18
SE447685B (en) 1986-12-01
IT8123345A0 (en) 1981-08-03
NL8103660A (en) 1982-03-01
IT1137790B (en) 1986-09-10
NO159470B (en) 1988-09-19
GB2081995B (en) 1985-01-09
ES8207661A1 (en) 1982-09-16
NO159470C (en) 1989-01-04
BE889836A (en) 1981-12-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970519