Electrical Machines In synchronous generator, inverted V curve is drawn between field current on Y-axis and power factor on X-axis field current on Y-axis and armature current on X-axis field current on X-axis and power factor on Y-axis field current on X-axis and armature current on Y-axis field current on Y-axis and power factor on X-axis field current on Y-axis and armature current on X-axis field current on X-axis and power factor on Y-axis field current on X-axis and armature current on Y-axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation of the synchronous generator fails, it acts as a/an synchronous generator. induction generator. synchronous motor. induction motor. synchronous generator. induction generator. synchronous motor. induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Secondary winding of an auto transformer is also called common winding. compensating winding. tertiary winding. damping winding. common winding. compensating winding. tertiary winding. damping winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power developed by salient pole synchronous machine is/are None of these excitation power only both 1 and 2 power due to saliency or reluctance only None of these excitation power only both 1 and 2 power due to saliency or reluctance only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor copper loss? 80W 40W 60W 100W 80W 40W 60W 100W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case the conditions for maximum power for DC motor are established, the efficiency of the motor will be Less than 50 % Around 90 % Around 100 %. Any where between 75 % and 90 %. Less than 50 % Around 90 % Around 100 %. Any where between 75 % and 90 %. ANSWER DOWNLOAD EXAMIANS APP
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