Alternators Voltage drop in an alternator when under load is due to ______ All of the listed here Armatute reaction Armature reactance Armature resistance All of the listed here Armatute reaction Armature reactance Armature resistance ANSWER DOWNLOAD EXAMIANS APP
Alternators In aircrafts, alternators have operating frequency of 60 Hz 50 Hz 400 Hz 800 Hz 60 Hz 50 Hz 400 Hz 800 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of a salient pole machine is nearly 1500 rpm 500 rpm 3000 rpm 1000 rpm 1500 rpm 500 rpm 3000 rpm 1000 rpm 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 A lower voltage alternator, for the same power rating, will be More costly Operating at high rpm Larger in size More efficient More costly Operating at high rpm Larger in size More efficient ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because It limits the value of short circuit current None of the listed here We employ automatic voltage regulators It reduces the construction cost It limits the value of short circuit current None of the listed here We employ automatic voltage regulators It reduces the construction cost ANSWER DOWNLOAD EXAMIANS APP