What are the uses of high voltage surge test?

What are the uses of high voltage surge test?  
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1 Answer

Answer :

This test gives distinct wave forms giving indications of various defects such as,

a. Turn to turn short in same phases.

b. Coil to coil short in same phases.

c. Partial phase to phase short.

d. Complete phase to phase short.

e. Improper coil connections.

f. Reverse coil connections.

g. Open coil connections.

h. Short to ground partial.

i. Short to ground complete. 
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