what is ATS?and its function or operation in power system with its layout.

1 Answers   DLF,

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To determine the Healthiness of Insulation we will be performing Dielectric tests i.e Insulation Resistance test, Partial Discharge test,Switching Impulse, Lightning impulse, Tan Delta test ...etc why we required to perform this many test, why cant we do only one test. for Transformer, CT's

1 Answers  

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What is Load commutation and how it is done?Cite some example where this type of commutation is used

2 Answers   NTPC,

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Why is starter necessary for a three-phase induction motor?

37 Answers   BMM, Essar, Hero MotoCorp, ITI, Maruti Suzuki, Supertech, Watt,

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what is High resistance grounding and whatis the criteria for the selection of High resistance grounding

1 Answers   MAHINDRA,

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How to calculate capacitor bank value to maintain unity power factor with some suitable example?

0 Answers  

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what are lightning masts?what is their purpose???

1 Answers   Mecon,

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what is a vector protection in transformer

0 Answers  

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63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?

0 Answers   GSECL, L&T,

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WHAT IS VCB SAFETY

0 Answers  

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how can we find a burden of potential transformer? what does it effects? how can we calculate rated load of it?

4 Answers   Areva, KPTCL,

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for preparation of design note of 11 / 220 kV , 3 phase, 63 MVA transformer how can calculate or consider the iron losses and copper losses

1 Answers  

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