How to detect motor burned

General motors burn cause too much,there is lack of phase,abnormal voltage,overload,the machine electric motor cooling fan itself quality problem,etc.If is to prevent motor burn out or in things as far as possible to notice it Article 1,for motor fault diagnosis 2,for condition monitoring of motor winding insulation 3,the size of the motor running current monitoring 4,motor temperature monitoring 5,acmotor2.blogspot.com electrical discharge monitoring points and see in which part of abnormal discharge Actually motor fan the main reason motor burn out or because motor can not run normally,leading to the rapid increase of rotor current and burn out motor in a very short time.