GIVE CONDITION FOR MAX EFFICIENCY OF 3-PH TRANSFORMER AND
D.C MOTOR

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GIVE CONDITION FOR MAX EFFICIENCY OF 3-PH TRANSFORMER AND D.C MOTOR..

Answer / kalyan

condition for max efficiency of 3-ph transformer,when core
loss=cupper loss.
condition for max efficiency of d.c.motor,back e.m.f=supply
voltage/2

Is This Answer Correct ?    38 Yes 4 No

GIVE CONDITION FOR MAX EFFICIENCY OF 3-PH TRANSFORMER AND D.C MOTOR..

Answer / manoj tyagi

for electrical machines max. eff.
veriable ohmic losses=constant core loss

Is This Answer Correct ?    16 Yes 4 No

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