When a rotor converter is started by means of a small auxiliary motor, the power of motor must be Options: A . &nbspmore than the dc output of converter B . &nbspmore than ac input of converter C . &nbsphalf of dc output of converter D . &nbspslightly more than the value of friction and windage losses at rated speed

When a rotor converter is started by means of a small auxiliary motor, the powe

Question

When a rotor converter is started by means of a small auxiliary motor, the power of motor must be

Options:

A . more than the dc output of converter

B . more than ac input of converter

C . half of dc output of converter

D . slightly more than the value of friction and windage losses at rated speed

Answer: Option D

slightly more than the value of friction and windage losses at rated speed

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