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speed

GATE Electrical Engineering · DC Machines · 1999-2018

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2018 Q49

A separately excited DC generator supplies 150 A to a 145 V DC grid. The generator is running at 800 RPM. The armature resistance of the generator is 0.1Ω. If the speed of the gene...

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2018 PYQ

A 200 V DC series motor, when operating from rated voltage while driving a certain load, draws 10 A current and runs at 1000 r.p.m. The total series resistance is 1 Ω. The magnetic...

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2005 PYQ

Under no load condition, if the applied voltage to an induction motor is reduced from the rated voltage to half the rated value,

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1999 PYQ

A DC shunt motor is running at 1200 rmp, when excited with 220 V DC. Neglecting the losses and saturation, the speed of the motor when connected to a 175 V DC supply is:

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