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(1) The short-circuit point is at the end. The shorts can be isolated with insulation, or the insulation can be rewrapped, painted and rebaked.(2) Short circuit in the wire slot. After softening it, find out the short-circuit point and repair it, put it back into the trunking, and then paint and dry
1. Constant speed motor has common cage type, special cage type (deep groove type, double cage type, high starting torque type) and winding type.2. The speed control motor is equipped with a motor with a commutator. A three-phase parallel-excited wound rotor motor (rotor control resistor, rotor cont
(1) External observation method. Observe whether the junction box and the end of the winding are burnt. After the winding is overheated, it will leave dark brown and smell bad. (2) Temperature detection method. Run without load for 20 minutes (stop immediately if any abnormality is found), and use t
