Electrical Machines In a synchronous motor when the rotor speed exceeds the synchronous speed during hunting the damper bars develop induction motor torque. the damper bars develop synchronous motor torque. negative sequence currents are generated. the damper bars develop induction generator torque. the damper bars develop induction motor torque. the damper bars develop synchronous motor torque. negative sequence currents are generated. the damper bars develop induction generator torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two generators operating in parallel with rating 50MW and 100MW respectively. Both their respective governor settings are identical as 4%, consider same no load frequency. How will the machine share a common load of 100 MW 33.33 MW and 66.67 MW respectively 66.67 MW and 33.33 MW respectively 50 MW and 50 MW respectively any of the above 33.33 MW and 66.67 MW respectively 66.67 MW and 33.33 MW respectively 50 MW and 50 MW respectively any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron loss in a transformer mainly occurs in steel core in transformer. iron made tank of transformer. transformer insulating oil. winding of transformer. steel core in transformer. iron made tank of transformer. transformer insulating oil. winding of transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breather is provided in a transformer to filter the transformer oil. absorb moisture of air during breathing. provide cold air in transformer. absorb moisture from air entering in transformer. filter the transformer oil. absorb moisture of air during breathing. provide cold air in transformer. absorb moisture from air entering in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is minimized by laminating the core of a transformer? Hysteresis loss. Copper loss. Eddy current loss. Stray loss. Hysteresis loss. Copper loss. Eddy current loss. Stray loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An ideal DC generated is one that has _____________ voltage regulation. zero. positive. low. negative. zero. positive. low. negative. ANSWER DOWNLOAD EXAMIANS APP
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