IL54866A - Low winding resistance protective system for electric motors - Google Patents

Low winding resistance protective system for electric motors

Info

Publication number
IL54866A
IL54866A IL54866A IL5486678A IL54866A IL 54866 A IL54866 A IL 54866A IL 54866 A IL54866 A IL 54866A IL 5486678 A IL5486678 A IL 5486678A IL 54866 A IL54866 A IL 54866A
Authority
IL
Israel
Prior art keywords
electric motors
protective system
winding resistance
resistance protective
low winding
Prior art date
Application number
IL54866A
Other versions
IL54866A0 (en
Original Assignee
Arie Lapsker
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 Arie Lapsker filed Critical Arie Lapsker
Priority to IL54866A priority Critical patent/IL54866A/en
Publication of IL54866A0 publication Critical patent/IL54866A0/en
Priority to GB7919519A priority patent/GB2025170B/en
Priority to US06/154,240 priority patent/US4367506A/en
Publication of IL54866A publication Critical patent/IL54866A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
IL54866A 1978-06-06 1978-06-06 Low winding resistance protective system for electric motors IL54866A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IL54866A IL54866A (en) 1978-06-06 1978-06-06 Low winding resistance protective system for electric motors
GB7919519A GB2025170B (en) 1978-06-06 1979-06-05 Protectionsystem for electric motors
US06/154,240 US4367506A (en) 1978-06-06 1980-05-29 Protective system for electric motors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL54866A IL54866A (en) 1978-06-06 1978-06-06 Low winding resistance protective system for electric motors

Publications (2)

Publication Number Publication Date
IL54866A0 IL54866A0 (en) 1978-08-31
IL54866A true IL54866A (en) 1981-07-31

Family

ID=11050349

Family Applications (1)

Application Number Title Priority Date Filing Date
IL54866A IL54866A (en) 1978-06-06 1978-06-06 Low winding resistance protective system for electric motors

Country Status (2)

Country Link
GB (1) GB2025170B (en)
IL (1) IL54866A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3034904A1 (en) * 1980-09-16 1982-04-29 Marine Safe Electronics of Canada Ltd., Concord, Ontario Electric motor low windings resistance protection system - compares windings resistance when motor is at rest with threshold value
JP4554501B2 (en) * 2005-01-18 2010-09-29 ファナック株式会社 Motor insulation resistance deterioration detection method, insulation resistance deterioration detection device, and motor drive device

Also Published As

Publication number Publication date
IL54866A0 (en) 1978-08-31
GB2025170A (en) 1980-01-16
GB2025170B (en) 1982-07-21

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Legal Events

Date Code Title Description
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