HOW TO CHECK THE VECTOR GROUP OF A TRANSFORMER YD11?

0 Answers   Siemens,

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If we feed 230V ac supply to a full wave rectifare, what & how much will be the out put voltage?

3 Answers  

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In Round type three phase transformer why the LV side is inner part and HV outer part in the design of transformer? why they cant be opposite?

2 Answers  

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If excitation will increase, then what will be the effect on power factor? Will it decrease or increase?

4 Answers   Prozone,

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why should we have to maintain pf in our site 0.9????????

3 Answers   Dalkia,

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Give two basic speed control scheme of dc shunt motor?

0 Answers  

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if a motor has 1500rpm then what will its HP?

3 Answers   Willdale,

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can we use 7volt DC BATTERY to run a 60watt motor by stepup? Give reason for your answer?

5 Answers  

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i need bhel question papers.

5 Answers   Bhel,

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A separately excited dc motor having 2 ohm armature resistsance draws a current of 10A and torque developed is 20 Nm under rated field condtion. the speed of the motor under the rated field condtion , when it is connected to a 100V DC source and delivering 10Nm torque....

2 Answers   DRDO,

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which protection are used for turbo generator in thermal power plant.

1 Answers   Grasim,

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why we used star delta starter for above 5hp motors

2 Answers  

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