Answer Posted / vishv shah

as u know that IM run only because
of rmf .....rmf is produce because
of 120degree phase difference
between r;y;b......in 1phase i.e at
230volt no rmf is generate so.....!
IM can't run.......

WHAT IS AIR GAP VALUE IN MM FOR A 11KV BUSHING OF 11KV/440V DISTRIBUTION TRANSFORMER. AND AIR GAP VALUE OF 25 KV BUSHING OF AT TRANSFORMER OF 25 KV TRACTION. WHAT IS THE CALCULATION FOR THE AIR GAP PERMITTED FOR BUSHINGS AT DIFFERENT VOLTAGES.

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