Electrical Machines When a synchronous motor is running at synchronous speed, the damper winding produces damping torqe. both 1 and 2. no torque. eddy current torque. damping torqe. both 1 and 2. no torque. eddy current torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eddy current loss will depends on Thickness Frequency All of these Flux density Thickness Frequency All of these Flux density ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Motor 3 point starter is used to provide overload protection. all of above. provide protection against Low-Voltage. limit the starting current to a safer value. provide overload protection. all of above. provide protection against Low-Voltage. limit the starting current to a safer value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are identical as 4% from no load to full load. Consider the governors operating at 50Hz on no load. How will the machine share, if the load is 600 MW? 230.7 MW and 369.23 MW respectively generator 2 gets over load 200 MW and 400MW respectively generator 1 gets over load 230.7 MW and 369.23 MW respectively generator 2 gets over load 200 MW and 400MW respectively generator 1 gets over load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the excitation of normally operating unloaded, salient pole synchronous motor suddenly gets disconnected, it continues to run as a DC motor. switched reluctance motor. variable reluctance motor. induction motor. DC motor. switched reluctance motor. variable reluctance motor. induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor, the damper winding is generally used to reduce noise level only. reduce the eddy currents. provide starting torque only. prevent hunting and provide the starting torque. reduce noise level only. reduce the eddy currents. provide starting torque only. prevent hunting and provide the starting torque. ANSWER DOWNLOAD EXAMIANS APP
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