why cannot we use a freuency more than 400hz is used in aircrafts?

why cannot we use a freuency more than 400hz is used in
aircrafts?

Question Posted / mahesh

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why cannot we use a freuency more than 400hz is used in aircrafts?..

Answer / shailesh tankni

when a higher frequency is used a higher eddy current losses
are generated.
due to this increase in losses the insulation level of the
equipments which are used must be kept higher.
also a large amount of heat is generated which may decrease
the life of insulation.

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