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A dc shunt motor is connected to the source through 3-point starter. Suddenly if we starter handle is moved fastly from off to on position, then the _________(a) motor will draw large current(b) motor will not start(c) motor will burn(d) all of the mentionedI have been asked this question during an online exam.Question is taken from Operating Characteristics of DC Motors in division DC Motors of Electrical Machines |
Answer» RIGHT CHOICE is (d) all of the mentioned The best I can explain: As the starter is placed very RAPIDLY from off to on the resistance SEEN by the MACHINE will be very less and it will draw a large starting current. |
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