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Dear sir,We have a 7.5hp motor,it was running smoothly and
suddenly one winding is carring more current then
others(r=6.5,y=6.3,b=10)..whts wrong with tis...?
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Answer Posted / jvino03
One of the Phase Insulation was Weak. We easily identify
through Insulation Tester or Megger, Its value is entirely
different from other two windings, else we can find the weak
coil by checking its coil ohmic values....
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