Answer / eqbal_asif123

Transformers 1 KVA and larger, rated at 60 Hz, should not be
used on 50 Hz service
due to higher losses and resultant heat rise. However, any
50 Hz transformer will
operate on 60 Hz service.
A 60 Hz design is physically smaller than a 50 Hz design. DO
NOT use 60 Hz rated
transformers on 50 Hz service. Without special designs,
higher losses and greater heat
rise will result. Operating 60 Hz transformers at higher
frequencies may simply provide
less voltage regulation.

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