Answer / r k choudhary

Ring main unit is a looping of all equipment if power
supply from end fail then power supply from other end fed
in equipment. there will be no hindrance in our work.

Answer / david vk2cz

ATS is an automatic transfer switch, meaning it will accept power from 2 sources, and automatically switch to the source with available power. This can be dangerous in maintenance activities, unless it is switch to manual. Mostly used in datacentres, underground train stations and underground corridor lighting

What do you mean by eddy current loss?

1 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 calculated Transformer losses.

0 Answers  

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how we can improve P.F. by using capacitors ?

22 Answers  

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what is RFCT and Insulgard Relay & It's function?

0 Answers  

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hi frnds can any one help me ? plz send me placement paper of hpcl of Electrical streem .... plz send ....its urgent . The hpcl test is on 17th feb.

1 Answers  

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what is the relative size of single and three phase?

0 Answers   Student,

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what happen when transformer connect on dc supply.

5 Answers  

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how much earth resistance consider to commissioning the transformer?

3 Answers   Deccan Cements,

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wat is mean by HRC fuse... WHY we choose it...?

3 Answers  

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In Transmission System if the potential difference at the two end of line are same then is the transmission of power will continue ? if yes then how.

1 Answers   IOCL,

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what is the fullform of mccb

10 Answers   Thermax,

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