Electrical Machines In an induction motor, the no-load slip is generally equal to less than 1 %. 4 %. zero. 1.5 %. less than 1 %. 4 %. zero. 1.5 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The condition for maximum running torque is 0.707 lagging 0.5 lagging zero R = S.X unity 0.707 lagging 0.5 lagging zero R = S.X unity ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motors are, by a very considerable margin, the most widely used AC motors as these are cheaper in cost, simple and rugged in construction. they have very good speed regulation. they are capable of operation under range of leading and lagging pf. they have maximum efficiency and maximum starting torque. these are cheaper in cost, simple and rugged in construction. they have very good speed regulation. they are capable of operation under range of leading and lagging pf. they have maximum efficiency and maximum starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The external resistance to be added in the armature circuit to limit the armature current to 125% of its rated value is 15.9 Ω 31.1 Ω 31.9 Ω 15.1 Ω 15.9 Ω 31.1 Ω 31.9 Ω 15.1 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reluctance and hysteresis motors are the types of which electrical motor? 1 - Φ synchronous motor. 3 - Φ induction motor. DC motor. Stepper motor. 1 - Φ synchronous motor. 3 - Φ induction motor. DC motor. Stepper motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC compound motor the field regulator is provided to control the field flux. demagnetize the field partially. limit the armature current. control the armature flux. control the field flux. demagnetize the field partially. limit the armature current. control the armature flux. ANSWER DOWNLOAD EXAMIANS APP
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