how to calculate the cable size for 500 kva transformer?

3 Answers  

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is it possible to convert electrical energy to light energy for transmission purposes?

7 Answers  

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dielectric strength of vacuum is greater than SF6 but for 132Kv uses sf6 breaker & for 33kV uses vaccum breaker why such a contradiction?

2 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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my 10 hp submersible pump is tripping when connected through ELCB.I have checked the megger value of the coil's with body.It was found to be 0.2mega ohm.that is leakage is there.But when connected to mccb it is not tripping.no leakage current in the motor.Is it safe to connect to mccb? what are the problem's will arise if future?also tell me in ELCB no neutral is connected to motor.than how ELCB was working?

1 Answers  

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what is the difference between droop mode and ischnorous mode in thermal powerplant?

0 Answers   GVK, Thermax,

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why it is so called as xlpe(cross linked poly ethyline) cable?

0 Answers  

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what is the purpose of taking HV test in LT panel.

1 Answers   PCE,

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What is core balancing in Power Transformer. What is the affect of an unbalabce core.

1 Answers  

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why celing fan is running in anti clock wise and table fan is running in clock wised?

5 Answers  

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What are the advantages and disadvantages of open loop control system?

0 Answers  

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why noise occurn when transformer is working ?

1 Answers   Honda,

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AC voltage only create magnetic flux in coils, but in Solenoid coil how 24V DC volt create flux and pick the plunger

5 Answers  

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