FI20070531A - Menetelmä maavikatilojen ilmaisemiseksi moottoriohjaimessa - Google Patents

Menetelmä maavikatilojen ilmaisemiseksi moottoriohjaimessa Download PDF

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Publication number
FI20070531A
FI20070531A FI20070531A FI20070531A FI20070531A FI 20070531 A FI20070531 A FI 20070531A FI 20070531 A FI20070531 A FI 20070531A FI 20070531 A FI20070531 A FI 20070531A FI 20070531 A FI20070531 A FI 20070531A
Authority
FI
Finland
Prior art keywords
motor controller
ground fault
fault conditions
detecting ground
detecting
Prior art date
Application number
FI20070531A
Other languages
English (en)
Swedish (sv)
Other versions
FI119536B (fi
Inventor
Henrik Andersen
Original Assignee
Danfoss Drives As
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
Priority claimed from PCT/DK2004/000920 external-priority patent/WO2006069568A1/en
Application filed by Danfoss Drives As filed Critical Danfoss Drives As
Priority to FI20070531A priority Critical patent/FI119536B/fi
Publication of FI20070531A publication Critical patent/FI20070531A/fi
Application granted granted Critical
Publication of FI119536B publication Critical patent/FI119536B/fi

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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
    • H02H7/10—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 converters; for rectifiers
    • H02H7/12—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 converters; for rectifiers for static converters or rectifiers
    • H02H7/122—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 converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Control Of Ac Motors In General (AREA)
FI20070531A 2004-12-27 2007-07-06 Menetelmä maavikatilojen ilmaisemiseksi moottoriohjaimessa FI119536B (fi)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI20070531A FI119536B (fi) 2004-12-27 2007-07-06 Menetelmä maavikatilojen ilmaisemiseksi moottoriohjaimessa

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
PCT/DK2004/000920 WO2006069568A1 (en) 2004-12-27 2004-12-27 Method for detecting earth-fault conditions in motor a controller
DK2004000920 2004-12-27
FI20070531A FI119536B (fi) 2004-12-27 2007-07-06 Menetelmä maavikatilojen ilmaisemiseksi moottoriohjaimessa
FI20070531 2007-07-06

Publications (2)

Publication Number Publication Date
FI20070531A true FI20070531A (fi) 2007-07-06
FI119536B FI119536B (fi) 2008-12-15

Family

ID=38331534

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20070531A FI119536B (fi) 2004-12-27 2007-07-06 Menetelmä maavikatilojen ilmaisemiseksi moottoriohjaimessa

Country Status (1)

Country Link
FI (1) FI119536B (fi)

Also Published As

Publication number Publication date
FI119536B (fi) 2008-12-15

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