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why cu losses called cu losses.

Answer Posted / simpson

it is of 2 types:-
(1)Stator field loss <I2s*Rs>
(2)rotor field loss<I2r*Rr>
since this type of loss is occures ONLY in field winding
,wound rotor(armature).Both r made from Cu wires/winding (I2R
LOSSES)

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