HUT48381A - Circuit arrangement for controlling insulation level of electric motor working in mine and disconnecting said electric motor from mains depending on insulation level - Google Patents

Circuit arrangement for controlling insulation level of electric motor working in mine and disconnecting said electric motor from mains depending on insulation level

Info

Publication number
HUT48381A
HUT48381A HU303587A HU303587A HUT48381A HU T48381 A HUT48381 A HU T48381A HU 303587 A HU303587 A HU 303587A HU 303587 A HU303587 A HU 303587A HU T48381 A HUT48381 A HU T48381A
Authority
HU
Hungary
Prior art keywords
electric motor
insulation level
mine
disconnecting
circuit arrangement
Prior art date
Application number
HU303587A
Other languages
Hungarian (hu)
Inventor
Geza Sasvari
Original Assignee
Tatabanyai Szenbanyak
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 Tatabanyai Szenbanyak filed Critical Tatabanyai Szenbanyak
Priority to HU303587A priority Critical patent/HUT48381A/en
Priority to DE19883821241 priority patent/DE3821241A1/en
Priority to PL27355888A priority patent/PL273558A1/en
Publication of HUT48381A publication Critical patent/HUT48381A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Electric Motors In General (AREA)
HU303587A 1987-07-06 1987-07-06 Circuit arrangement for controlling insulation level of electric motor working in mine and disconnecting said electric motor from mains depending on insulation level HUT48381A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
HU303587A HUT48381A (en) 1987-07-06 1987-07-06 Circuit arrangement for controlling insulation level of electric motor working in mine and disconnecting said electric motor from mains depending on insulation level
DE19883821241 DE3821241A1 (en) 1987-07-06 1988-06-23 Circuit arrangement for continuous monitoring of the insulation level of a functioning electric motor and for isolating the electric motor from the high-voltage mains as a function of the insulation
PL27355888A PL273558A1 (en) 1987-07-06 1988-07-06 Electronic system for continuous control of insulation condition in an operating electric motor and for automated switching off from high voltage in case of insulation damage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU303587A HUT48381A (en) 1987-07-06 1987-07-06 Circuit arrangement for controlling insulation level of electric motor working in mine and disconnecting said electric motor from mains depending on insulation level

Publications (1)

Publication Number Publication Date
HUT48381A true HUT48381A (en) 1989-05-29

Family

ID=10962215

Family Applications (1)

Application Number Title Priority Date Filing Date
HU303587A HUT48381A (en) 1987-07-06 1987-07-06 Circuit arrangement for controlling insulation level of electric motor working in mine and disconnecting said electric motor from mains depending on insulation level

Country Status (3)

Country Link
DE (1) DE3821241A1 (en)
HU (1) HUT48381A (en)
PL (1) PL273558A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1267487B1 (en) * 1994-11-07 1997-02-05 Merloni Elettrodomestici Spa MODULAR CONTROL SYSTEM FOR HOUSEHOLD APPLIANCES.
FI20080438A0 (en) * 2008-07-15 2008-07-15 Abb Oy Method and apparatus for measuring bearing currents in an electric machine
CN105866637A (en) * 2016-03-29 2016-08-17 四川大学 System and method for automatically testing interphase and phase-to-ground insulation PDIV of variable frequency motor

Also Published As

Publication number Publication date
DE3821241A1 (en) 1989-02-09
PL273558A1 (en) 1989-03-06

Similar Documents

Publication Publication Date Title
GB2180672B (en) Electric motor controls and laundry machines using such motor controls
GB8915214D0 (en) Three-phase electric motor
EP0435038A3 (en) Controller for starting and stopping electric motors
GB8726951D0 (en) Electric circuit arrangement
GB8419104D0 (en) Electric power unit
EP0238249A3 (en) An electric motor
GB2196188B (en) An electric motor
EP0302679A3 (en) Circuit and method for paralleling ac electrical power systems
GB8800890D0 (en) Electric motor arrangements
EP0238317A3 (en) An electric motor
HUT48381A (en) Circuit arrangement for controlling insulation level of electric motor working in mine and disconnecting said electric motor from mains depending on insulation level
GB2199202B (en) Electric power regulator snubber circuit
GB2264825B (en) Electric motor control circuit
GB2203294B (en) Terminal in an electric motor
GB8621092D0 (en) Suppression in electric motors
GB2188798B (en) Power controller for an electrical load
GB2268644B (en) Electric motor control circuit
GB2187600B (en) An electric motor
GB2223539B (en) Fan for an electric pump
GB2197967B (en) Electric motor controls and laundry machines using such motor controls
GB2212348B (en) Improvements in circuits for starting electric motors
GB8406047D0 (en) Ac circuit controller
GB2203300B (en) Electrical connection in an electric motor
HK92994A (en) Electric motor controls and laundry machines using such motor controls
GB9212988D0 (en) Unit controlling power in electrical circuit

Legal Events

Date Code Title Description
DFA9 Temporary prot. cancelled due to abandonment