GB1452611A - Solid state thermal overload indicator - Google Patents

Solid state thermal overload indicator

Info

Publication number
GB1452611A
GB1452611A GB4757573A GB4757573A GB1452611A GB 1452611 A GB1452611 A GB 1452611A GB 4757573 A GB4757573 A GB 4757573A GB 4757573 A GB4757573 A GB 4757573A GB 1452611 A GB1452611 A GB 1452611A
Authority
GB
United Kingdom
Prior art keywords
resistor
circuit
capacitors
representative
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.)
Expired
Application number
GB4757573A
Other languages
English (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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
General Electric Canada Co
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 Canadian General Electric Co Ltd, General Electric Canada Co filed Critical Canadian General Electric Co Ltd
Publication of GB1452611A publication Critical patent/GB1452611A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Protection Of Generators And Motors (AREA)
  • Control Of Electric Motors In General (AREA)
  • Emergency Protection Circuit Devices (AREA)
GB4757573A 1972-10-11 1973-10-11 Solid state thermal overload indicator Expired GB1452611A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA153,624A CA962332A (en) 1972-10-11 1972-10-11 Solid state thermal overload indicator

Publications (1)

Publication Number Publication Date
GB1452611A true GB1452611A (en) 1976-10-13

Family

ID=4094647

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4757573A Expired GB1452611A (en) 1972-10-11 1973-10-11 Solid state thermal overload indicator

Country Status (5)

Country Link
JP (1) JPS4976052A (enrdf_load_stackoverflow)
CA (1) CA962332A (enrdf_load_stackoverflow)
DE (1) DE2351157A1 (enrdf_load_stackoverflow)
FR (1) FR2203195A1 (enrdf_load_stackoverflow)
GB (1) GB1452611A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2967332D1 (en) * 1978-07-10 1985-01-31 Cutler Hammer World Trade Inc A.c. power overload protection control
FR2476923A1 (fr) * 1979-12-07 1981-08-28 Telemecanique Electrique Dispositif de simulation d'un phenomene variable dans le temps avec une constante de temps elevee, notamment la temperature d'une charge electrique
SU1046826A1 (ru) * 1981-05-06 1983-10-07 Павлодарский Индустриальный Институт Электрическа трехфазна машина
CA1193317A (en) * 1982-05-07 1985-09-10 Canadian General Electric Company Limited Thermal model for electrical apparatus
CA1193316A (en) * 1982-05-07 1985-09-10 David R. Boothman Motor protection apparatus
JP6707054B2 (ja) * 2017-04-06 2020-06-10 株式会社デンソーテン 過電流保護装置及び車両用電子制御ユニット

Also Published As

Publication number Publication date
JPS4976052A (enrdf_load_stackoverflow) 1974-07-23
CA962332A (en) 1975-02-04
DE2351157A1 (de) 1974-04-18
FR2203195A1 (enrdf_load_stackoverflow) 1974-05-10

Similar Documents

Publication Publication Date Title
US4031352A (en) Electric blanket
US3803455A (en) Electric circuit breaker static trip unit with thermal override
US3808503A (en) Electronic motor protection relay with current-dependent release action
GB897891A (en) Improvements in or relating to overload voltage protection systems
GB1015225A (en) Improvements in circuits for protecting electrical loads from an adverse condition
US3419757A (en) Overcurrent protective means
US3600661A (en) Temperature compensated and protected battery charging apparatus
GB1498112A (en) Regulated power supply
US3753070A (en) Protective circuit for electric motors
GB1452611A (en) Solid state thermal overload indicator
ES464472A1 (es) Dispositivo de desenganche o disparo con retardo termico pa-ra un interruptor destinado a la proteccion de redes yno mo-tores electricos.
GB1450567A (en) Motor overtemperature/overload protective system
US3365618A (en) Thermally responsive protection circuit
GB1101670A (en) Improvements in energy removal from superconducting coils
GB1481496A (en) Switching arrangement for control of a relay
GB1174641A (en) Improvements in Voltage Regulators
GB736985A (en) Improvements in electric control circuits
ES299262A1 (es) Una disposiciën perceptora que funciona con corriente alterna
US3105919A (en) Adjustable time delay undervoltage protective circuit
GB907565A (en) Improvements in temperature responsive control
GB1163685A (en) Apparatus for Controlling the Supply of Electrical Power to a Load such as an Electric Motor.
GB1449738A (en) Protection devices for electric machines
GB892394A (en) Means for supplying electric power to a control circuit of an electric current control device
GB1310030A (en) Thermally-responsive electrical switching arrangements
SU632997A1 (ru) Устройство дл регулировани температуры

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees
728C Application made for restoration (sect. 28/1977)
728R Application refused (sect. 28/1977)