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Knowledge Base

Choose the type of electric machine

Materials on electric machine faults: causes, symptoms, diagnostic methods and ways to eliminate them. Choose a motor type to open the list of articles.

  • 13 articles

    Asynchronous electric motors

    Overheating, vibration, noise, interturn short circuits, stator and rotor defects, winding tests, rewinding and the complete repair process.

    Squirrel-cage rotorWound rotorLV and HV
    Open section

  • 37 articles

    Synchronous electric motors

    Excitation, slip rings and the brush gear, rotor poles, loss of synchronism, heating and diagnostics of synchronous machines.

    ExcitationRotor polesSlip rings
    Open section

  • 43 articles

    DC electric motors

    Commutator and brushes, sparking, flashover, armature winding, interpoles, heating and maintenance of DC machines.

    CommutatorBrushesArmature winding
    Open section

  • 45 articles

    Random-wound electric motors

    Round magnet wire and slot insulation, overheating and interturn short circuits, winding and bearing tests, stator rewinding, impregnation, testing, repair lead times and cost.

    Round wireStator rewindingUp to 600 kW
    Open section

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