Answer / sparta

it is difficult to convert high voltage dc to ac system.
it is expensive to convert dc into ac.

Answer / anand mishra

first thing is that it is very epensive.absorb reactive power.produces harmonics which may interfer audio frecuency(communication system).and the filters which are used to reduce harmonics are also expensive

Answer / mahesh v p

very difficult to convert high voltage dc to ac,and is also
expensive.

Answer / bcd

1.insulation required is more
2.terminal apparatus(CB etc.) used for hvdc is costly

what should we do when the CT secodary gets open? how do we short circuit it? using tester or screw driver? not dangerous?

6 Answers  

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what is the difference between ac ground and dc ground.. In my project iam using both ac and dc supply.. can both the grounds or the return paths be connected??

1 Answers  

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how can tell us the AC indoor or outdoor which Tr and formulls

0 Answers   Mukand,

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which Machine u will prefer to use at place where Flammable gases are coming out & why ??

6 Answers   NTPC,

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please send me the previous year's question papers of jindal GET exams

0 Answers   Jindal,

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Explain principle of Soft-starter & how its working???

12 Answers   MAHINDRA,

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what are the protections used in power transformers of 5 mva and above

2 Answers   ESRI,

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if the 10 hp motor name plate indicates rated current as 13.6 amp the what will be the thermal relay setting? Why? And in how much time relay will trip at the set value?

2 Answers  

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up to what extwnt of voltage the celing fan works?

3 Answers   ICSA,

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why the rating of a transformer in kva not in kw.

9 Answers  

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What is Isolation Current transformer and what purpose to use it in REF relay ?

1 Answers  

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what is the size of cable for 15kw motor and 85 meter cable length using with vfd

0 Answers  

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