AT338364B - CIRCUIT FOR OPERATING AN ELECTRICAL MACHINE - Google Patents

CIRCUIT FOR OPERATING AN ELECTRICAL MACHINE

Info

Publication number
AT338364B
AT338364B AT498375A AT498375A AT338364B AT 338364 B AT338364 B AT 338364B AT 498375 A AT498375 A AT 498375A AT 498375 A AT498375 A AT 498375A AT 338364 B AT338364 B AT 338364B
Authority
AT
Austria
Prior art keywords
operating
circuit
electrical machine
electrical
machine
Prior art date
Application number
AT498375A
Other languages
German (de)
Other versions
ATA498375A (en
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of ATA498375A publication Critical patent/ATA498375A/en
Application granted granted Critical
Publication of AT338364B publication Critical patent/AT338364B/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
    • H02H7/085—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 excessive load
    • H02H7/0856—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 excessive load characterised by the protection measure taken
    • H02H7/0859—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 excessive load characterised by the protection measure taken avoiding restarting after fault condition has disappeared
    • 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
AT498375A 1974-07-01 1975-06-30 CIRCUIT FOR OPERATING AN ELECTRICAL MACHINE AT338364B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742431540 DE2431540C2 (en) 1974-07-01 1974-07-01 Circuit arrangement for protecting an electrical machine against excessive heating with a simulation device

Publications (2)

Publication Number Publication Date
ATA498375A ATA498375A (en) 1976-12-15
AT338364B true AT338364B (en) 1977-08-25

Family

ID=5919403

Family Applications (1)

Application Number Title Priority Date Filing Date
AT498375A AT338364B (en) 1974-07-01 1975-06-30 CIRCUIT FOR OPERATING AN ELECTRICAL MACHINE

Country Status (9)

Country Link
AT (1) AT338364B (en)
BE (1) BE830861A (en)
CH (1) CH591775A5 (en)
DE (1) DE2431540C2 (en)
FR (1) FR2277513A7 (en)
GB (1) GB1508505A (en)
IT (1) IT1040771B (en)
NL (1) NL7507740A (en)
SE (1) SE404280B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847765C2 (en) * 1978-11-03 1984-02-16 Kaltenbach & Voigt Gmbh & Co, 7950 Biberach Circuit arrangement for protecting a drive motor from overload, in particular for a dental device
DE3046860A1 (en) * 1980-12-12 1982-07-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Optical heat sensitive monitor circuit - has heat sensitive element coupled to relay to extend control and monitoring facilities
DE3203682A1 (en) * 1982-02-04 1983-08-11 Brown, Boveri & Cie Ag, 6800 Mannheim DRIVE SYSTEM FOR VEHICLES WITH A DC GENERATOR
DE3311771A1 (en) * 1983-03-31 1984-10-04 Vorwerk & Co Interholding Gmbh, 5600 Wuppertal MONITORING CIRCUIT FOR ELECTRIC MOTORS
DE3519472A1 (en) * 1984-07-03 1986-01-16 Keiper Recaro GmbH & Co, 5630 Remscheid Protection circuit
US4550277A (en) * 1984-09-24 1985-10-29 Black & Decker Inc. Overload detection and warning system for electric motors in power tools and the like
DE3638946A1 (en) * 1986-11-14 1988-05-26 Bbc Brown Boveri & Cie METHOD FOR PROTECTING THE ELECTRIC DRIVE OF A VEHICLE AGAINST OVERLOAD
FR2685986B1 (en) * 1992-01-03 1994-06-24 Valeo Electronique METHOD AND DEVICE FOR THERMAL CONTROL OF AN ELECTRIC MOTOR ON BOARD ON VEHICLE AND APPLICATION TO A POWER STEERING SYSTEM.
US7307396B2 (en) 2004-12-13 2007-12-11 Caterpillar Inc. Overload protection system for an electrical device
DE102007013551A1 (en) 2007-03-19 2008-09-25 Siemens Ag Method for automatically setting a protective device having an overcurrent release, in particular a low-voltage circuit breaker

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1255184B (en) * 1962-05-19 1967-11-30 Siemens Ag Method and device for regulating the feed rate of a feed device driven by an electric motor as a function of the load on the drive motor of the associated working machine

Also Published As

Publication number Publication date
SE404280B (en) 1978-09-25
DE2431540A1 (en) 1976-01-22
BE830861A (en) 1975-10-16
SE7507412L (en) 1976-01-02
ATA498375A (en) 1976-12-15
IT1040771B (en) 1979-12-20
FR2277513A7 (en) 1976-01-30
GB1508505A (en) 1978-04-26
NL7507740A (en) 1976-01-05
DE2431540C2 (en) 1984-09-13
CH591775A5 (en) 1977-09-30

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee