Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant speed. current. torque. power. speed. current. torque. power. 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 4% and 5% 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? generator 1 gets over load generator 2 gets over load 200 MW and 400MW None of these generator 1 gets over load generator 2 gets over load 200 MW and 400MW None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor torque or load angle δ ------------- with increase in load decreases increases remains unaffected None of these decreases increases remains unaffected None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward-Leonard control is basically a ___________ control method. Armature voltage control. Armature resistance control. Field diverter control. Field control. Armature voltage control. Armature resistance control. Field diverter control. Field control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Regenerative braking is possible in DC compound motor. DC series motor. DC shunt motor with armature resistance control. DC shunt motor with field weakening control. DC compound motor. DC series motor. DC shunt motor with armature resistance control. DC shunt motor with field weakening control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage regulation can be determined by which of the following? Synchronous impedance method. All of these MMf method. ZPF method. Synchronous impedance method. All of these MMf method. ZPF method. ANSWER DOWNLOAD EXAMIANS APP