Answer / rajat

we connect a neutral grounding reactor (NGR) which have a
same principle as a peterson coil in the neutral point of a
star connected 3 phase system

Answer / abhinav yadava

We connect neutral grounding resistor

Answer / k.rajmohan

We are connecting the neutral point to ground

Answer / ramesh

body of equipment and neutral point of the source

the cheapest inducting instrument among all is a)pmmc b)moving iron c)electrodynamometer d)rectifier

2 Answers   APCPDCL, APEPDCL,

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Dear sir, I completed DECE In the year 1995.Now i am working in a private company from last 10 years as an Electrical supervisor.The company having a 1000 KVA transformer.Now i try to apply "C" Licence. I am eligible or not.If not eligible,pls give solution.

0 Answers   Balavigna,

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How the flights will be fly be fly without ground connection under raining with thunder lighting?

1 Answers  

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Why the Potential transformer Primary in connected to Earth?

2 Answers  

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Three set (each phase contain 2 cable of 400 mmsq CU XLPE AWA) of single core cables are connected to 11 KV motor of 14 MW & the switch gear supplay is taken from 11kv feeder & this supplay taken from 275 KV substation. Problem is one pair cable(L3- 2 cable ) getting very hot & gland melted and damaged in switch gear side. the other two cable haven't any more hot(ambient temp only & L3 haveing 95- 100 Degree C. The same problem happened in 275 KV substation switch gear side also where the supply taken for 11 kv switch gear. But here L2 phese cable had problem. Why it is happening like this?. The cable having temperature different at different location from gland side inthe case of 11KV feeder of 275 kv substation. why ?

2 Answers  

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what is neutral voltage

3 Answers   Power Grid,

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bus bar design conditions and sizing pls tell me quickly

0 Answers  

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how to decide the ratings of the busbar in electrification.give me the proper thumb rule or procedure

1 Answers   ABB,

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Briefly define and explain the following different types of Pulse Amplitude Modulation (PAM) with some examples. i) 2-PAM ii) 4-PAM iii) 8-PAM iv) 16-PAM v) Quadrature Amplitude Modulation (QAM)

0 Answers   UOG,

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Will The Rated Capacity of 20 MVA ,220/6.6 KV, ONAN cooling Power Tranformer be increased up to 25 MVA with respect to its %Impedence by ONAF cooling with same rating..?

2 Answers   Ambuja,

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What are the circuit models used for analysis of medium length transmission lines? Which one is superior? Support your answer.

1 Answers   UPSC,

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What is class 2 coordination ?

2 Answers  

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