Wikipedia 10K Redux by Reagle from Starling archive. Bugs abound!!!

<-- Previous | Newer --> | Current: 981821484 WhyRossum at Sat, 10 Feb 2001 16:11:24 +0000.

TestingMotorCoilResistance

A three-phase induction motor has internal coil windings.

These windings must remain the correct value for the motor size and coil configuration, and they must remain the same value as one another.

Typical values are six ohms between all phases.

In a typical three phase induction motor circuit, an appropriate place to test is at the load side of the direct-on-line motor starter.

Figure 1 

 
       O  O  O
        /  /  /
       /  /  /
       O  O  O
       A  B  C

Tests should be made between A and B, A and C, and B and C.