Give two basic sprrd control scheme of DC shunt motor.

2 Answers  

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boiler is running in rankine cycle and deisel generator is....?

0 Answers   century,

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a 3 phase motor was running with delta connected, suddenly one phase winding got burnt off, what will be the effect ?

8 Answers   Bhel, RRB, SR,

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A synchronous motor is operating at a leading power factor .if the applied voltage is decreases ,(the excitation remains constant ) ,the motor current a)increases b) decreases c)remains same d) none of these

2 Answers  

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What is the difference between Droop vs Isoch Control?

0 Answers  

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What is the advisble power factor to be maintained in grid connecting power generation plnats without any effecting the generator.

1 Answers  

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How synchronous motor helps to improve PF? plz explain

1 Answers  

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when i am going to take trail on a 3ph sq.i/m motor 5.5kw, i observed that RPM of the motor is very low as compared to the rated RPM and also it rotates in clockwise in first ON command,and anticlock wise in second ON command. finally i observed that on phase is no available . but iam not clear about, why the motor is rotates in both directions without any phase interchanging.pls answer to my question.

1 Answers  

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How do you protect your appliances from harm in case of neutral failure in a three phase power supply set up.

4 Answers  

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What is UJT PNP, NPN transistor & working principles?

1 Answers   TATA,

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why field winding is placed on rotor winding not on stator winding in case of synchronous machine?

13 Answers   HAL, TATA,

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what is the maximum demand how it is defined

1 Answers  

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