Measure the resistance of a three-phase induction motor to ground resistance, and what is the insulation resistance between its phase and phase?!
Different motor, its insulation resistance is different, such as general high voltage motor, it requires the use of 2500V shaking table to test. Insulation resistance shall not be less than 500M.
This figure means that its minimum use of insulation resistance is, of course, the higher the better;
That's based on the shaking table and the motors that are used. For example, the general three-phase motors use 500V's shaking table, so long as the ground and interphase are 0.5M, they can be used.
