Answer / rk

when ever a current carrying capacitor is placed in a
magnetic field torque is induced to rotate.

Answer / dharmendra vegda

the speed of synchronous motor are content in full load.

Answer / hari

advantage
*conductor cost is low.bulk power can transmit 1 or 2 wire
system.
*not affect communication lines
disadvantage
*complicate to design the filter

1. When do you use a VFD motor? 2. If the ceiling fan is on slow speed, does it consume less electricity? 3. If we want the fan to consume less electricity at low speed, what do we have to do? 4. What does “battery of 180 AMP HOUR” mean to you? 5. What does “battery of 180 AMP HOUR” mean to you? 6. If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

6 Answers   Asian Power, Bhel, Focus, Focus Energy, L&T,

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We have three 33kv substations. All of them energised by same source.When i am checking the phase sequence between one substation to other substation (like R Phase to R Phase) by multimeter i am getting some voltage.Near to LT panels UPS panels are there. Can u explain whether any possible to happen like that. In Phase SEquencemeter is showing correctly in both substations. How is it happen. Explain me.Explain me communication signal will produce Phase difference on this case.

3 Answers  

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Which transformer is suitable for 220/11 kV, 60 MVA, distribution , Y-Y or D-Y or Y-D, give comparison for the same.

3 Answers  

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in dc machines in the armature nature of power is ac but why we take rasistance instead of impedance?

1 Answers  

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What is the different between digital phase converter and ordinary phase converter?

0 Answers  

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why lightining is not available in swith yards?

1 Answers  

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what will happen while giving 2 phase supply to 3 phase motor

5 Answers  

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in single phase we get 220 volt and in three phase 4420 v why this second Ques= in case three phase star conection our neutrul becom disconect what happan 3 Q=== a three phase house load and have unbalce load on different pahse diffrent current eg phase a 7A b 8A c 5A and voltage is 440 than how calculate it total load in kw pl give formula thanks

8 Answers  

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exact difference between electronicsand electrical

5 Answers  

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how much earth resistance consider to commissioning the transformer?

3 Answers   Deccan Cements,

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How can I calculate the require lumen of a room. If I use Tube Light (40 W), Or 100 W incandescent lamp. Please give detail answer.

1 Answers  

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WHAT IS BASICS TO SELECTION OF 11 kv Trasformer, send any calculation sheet for selection of transformer

3 Answers   NBCC,

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