In case of speed control by injecting e.m.f. in the rotor circuit is possible,

Related MCQs

• Rotor resistance speed control is used in
• 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
• To get speed higher than the base speed of the dc shunt motor
• has relatively wider range of speed control.
• has least range of speed control.
• Which ofthefollowing motors is preferred when smooth and precise speed control over a wide range is desired ?
• ........has least range of speed control
• ........ has relatively wider range of speed control