Answer / engineer

25 kvw

why ferranti efect occurs on no load only?

3 Answers  

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what is pressure relief valve in D.G ?state its function?

3 Answers  

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what is O.T?specify the acceptable range?

2 Answers  

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Why the resistance grounding (NGR) is better than Solid grounding?

5 Answers  

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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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How to select the cable size for the given load ?Pls explain the Formulae

3 Answers  

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what is the effect of back reactive power on the generator ?

0 Answers   MRF,

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if we know Fault level say 25 KA , How to decide busbar size for Distribution network of 1000 Amp Breaker ? Sample Calculation or Farmula Available or not ?

4 Answers   TCS,

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What is the difference between Off line UPS and Line interruptible UPS?

1 Answers   Etisalat,

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why generator and t/f ratings given in kva & motor rating is in KW?

6 Answers  

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Practical applications of series connected resistances? 

1 Answers  

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Application of statically induced emf

0 Answers  

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