Mark the correct option which affects the terminal voltage of a dc shunt motor.
For a dc shunt motor of 5 kW, running at 1000 rpm, the induced torque will be
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The flux and the internally generated voltage of a dc machine is a ________ function of its magneto-motive force.
It is advised not to run dc series motor with no load. Why?
Choose the best option which identifies about the below characteristics.
The speed torque of the differential compound dc motor is shown below. What conclusions can be made?
It is impossible to start a differential compounded dc motor.
A student is given a differential compound motor and he has been asked to make it start. How will he try?
For a 100 hp 250 V, compound dc motor with compensating winding has a field current of 5 A to produce a voltage of 250 V at 1200 rpm. What will be the shunt field current of this machine at no load?
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
19 videos|90 docs|25 tests
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19 videos|90 docs|25 tests
|