Speed control by Ward Leonard method gives uniform speed variation

Related MCQs

• In Ward-Leonard control the lower limit of speed is imposed by
• The main disadvantage of the Ward-Leonard control method is
• Ward-Leonard control is basically a
• Which of the following method of speed control of D.C. machine will offer minimum efficiency ?
• For constant torque drive which speed control method is preferred ?
• Following motor is used where high starting torque and wide speed range control is required.
• Usually wide and sensitive speed control is desired in case of
• Which motor has the poorest speed control?
• Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control
• The speed of a D.C. shunt motor more than its full-load speed can be obtained by