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Trade of Electrician Induction Motors COURSE NOTES - eCollege

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FAS Electrical Course Notes – Module 2.4.1<br />

Step 4: Measure the insulation resistance between the V winding and frame.<br />

W2<br />

U1<br />

U2<br />

22<br />

V2<br />

V1 W1<br />

Insulation Resistance<br />

Tester 500V<br />

Figure 24<br />

Step 5: Measure the insulation resistance between the W winding and frame.<br />

W2<br />

U1<br />

U2<br />

V2<br />

V1 W1<br />

Insulation Resistance<br />

Tester 500V<br />

Figure 25<br />

PE<br />

PE<br />

Revision 2 Nov 2006

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