Rotor resistance speed control is used in

Related MCQs

• In case of speed control by injecting e.m.f. in the rotor circuit is possible,
• Besides a constant speed a synchronous rotor possesses which of the following advantages ?
• Besides a constant speed a synchronous rotor possesses which of the following advantages ?
• Stator voltage control for speed control of induction motors is suitable for
• The slip power recovery scheme is used in induction motor for speed control in the range
• Pole changing method of speed control is used in
• Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction ?
• Wound rotor and squirrel-cage motors with high slip which develop maximum torque at stand still are used for
• To get speed higher than the base speed of the dc shunt motor
• has relatively wider range of speed control.