|
Why not start three phase asynchronous motorReasons for not starting of three-phase asynchronous motor are the following: 1, the power is not switched on; 2, fuse; 3, the stator or rotor winding circuit; 4, the stator winding ground fault; 5, the stator winding phase short circuit; Error 6, stator winding; 7, overload or mechanical transmission is jammed; 8, the rotor copper bar loosening; No lubricating oil 9, bearings, shaft due to thermal expansion, obstruct the rotary in bearings; 10, control equipment wiring error or damage; 11, the over current breaker too small 12, bearing damage. |