Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Extra high tension voltage Very low voltage Full armature voltage Low voltage Extra high tension voltage Very low voltage Full armature voltage Low voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators A two pole alternator is running at 1500 rpm. Its angular velocity is ______ 118 rad/s 192 rad/s 212 rad/s 157 rad/s 118 rad/s 192 rad/s 212 rad/s 157 rad/s ANSWER DOWNLOAD EXAMIANS APP
Alternators Three phase alternators are invariably star commected because Higher terminal voltage is obtained Magnetic losses are the minimum Less turns of wire are required Small conductors can be used Higher terminal voltage is obtained Magnetic losses are the minimum Less turns of wire are required Small conductors can be used ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is due to ______ Armature reaction Dc field excitation None of the listed here Leakage flux Armature reaction Dc field excitation None of the listed here Leakage flux ANSWER DOWNLOAD EXAMIANS APP
Alternators In a large generator, dampers Reduce frequency fluctuations Reduce voltage fluctuations None of the listed here Increase stability Reduce frequency fluctuations Reduce voltage fluctuations None of the listed here Increase stability ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator supplying power to a load with a leading power factor always has ______ voltage regulation. Zero Positive Negative Unity Zero Positive Negative Unity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS