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DC shunt motor is still used instead of synchronous motor in _____________(a) High speed applications(b) Low speed applications(c) Medium and high-speed applications(d) EverywhereThe question was posed to me during an internship interview.Question is from Applications of DC Machines in section DC Machines of DC Machines

Answer»

Correct option is (b) Low speed applications

The explanation: At low speeds, DC shunt motors are comparable with synchronous motors. The outstanding feature of a DC shunt motor however is its superb WIDE range flexible speed CONTROL above and below the BASE speed using solid-state controlled RECTIFIERS.



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