Answer / vishwa

Cn = 2pk / ln (GMD/GMR)

Acually generator neutral is earthed,if suppose cable from neutral is brokened under theearth ,what will happen.

2 Answers   L&T,

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Where voltage are high and current to be interrupted is low the breaker preferred is:

0 Answers  

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Hi, We facing one similar problem in our computers i.e we are newly constructed our design department after that shifted our computers but our computer desktop screen is vibrating. we are conducted our electrical maintainance person he told that is UPS problem, then we changed the UPS also again we are facing that problem in that room only. then we put lcd monitors that problem is solved. But in other monitors why the computer desktop screen is vibrating please give a suggestion to me. Regards, Raju.N.G

10 Answers  

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what is the difference between earth and unearth cable?

1 Answers   Essar,

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If the capacitor bank is installed in switchyard say 132/22kv then on LT side say 22kv/0.433kv is it necessary to install capacitor bank for maintaining power factor. if pf is maintained on HT side then will that be maintained on LT side as well.if not then how&why??????/ please explain...........

3 Answers   MacLellan,

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if sf6 gas low in gis what will happen

0 Answers  

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i need to calulate the cable size when watts are mentaind wat z the formula

1 Answers  

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what is the load amp of a 2 hp single phase motor?

6 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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AP Transco Assistant Engineer (Electrical) Model Question papers

2 Answers   APTransco, HCL, Tranco, UPSC, VMware,

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what is meant by transformer?

11 Answers  

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Whot is the braking capacity for MCCB. How we select different braking capacity.

1 Answers  

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