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Tests to be done on an alternator after rewinding of stator before resynchronising with the utility 2

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SA07

Electrical
Feb 22, 2018
366
Hi

Alternator is 1 MW 400 Vac 50 Hz

What are the tests to be done?

Insulation resistance
PI
Should we do a phasing test?
Any other tests?
 
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Assuming it's stator rewind.

One minute AC HV Test at 2 KV.

Surge comparison test at 2 KV.

DC resistances of 3 phases.

SCC and OCC.

Definitely phasing test before you synchronize.

Muthu
 
Phase rotation.
Voltage.

Bill
--------------------
Ohm's law
Not just a good idea;
It's the LAW!
 
Do you have a doc that explain how phasing test is done?
 
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