Answer / vishvamber

yes i want apransco model question papers

Answer / gour mahapatra

KVA *cos/.75 will be the hpconversion

How much duration I can keep open the CT if it is under loading condition(100 Amp load)?

3 Answers   Infosys, NTPC, Suzlon,

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How to calculate the voltage drop of 4 Core 50 Sqmm SWA cable for a distance of 350 mtrs and what can be the maximum load connected to it?

3 Answers  

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what is dc mator?types of dc motor?losses in dc motor?what is the mechanical,electrical and commercial efficiency of a dc motor?

0 Answers  

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1. what is the meaning of bus? 2. what is the dc transformer? How it work 3.what is the function of the serge absorber? 4.How the CT and PT rating calculate/

1 Answers  

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Tan delta point in transformer to be earth or not?

1 Answers   DMRC,

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why insulation cost is more in underground cable than in overhead line?

2 Answers  

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can we use only a isolator in the subtation..

1 Answers   ABB,

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Enlist four components of electrive drives.

0 Answers  

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why the tapping of transformer on ht side??????

12 Answers   CTS, OPTCL, Visa Steel,

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why substation ratings are multiple of 11 means 11\33 kv substation

6 Answers  

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why are the likely reasons for bochholz & pressure relays oprate due to a internal fault but not differential relay ?

2 Answers  

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how the transmission voltage ranges are decided like 11kV,33kV,66kV,132kV,220kV,400kV,725kV.... why not choose the transmission line voltage as 23kV,164kV,440kV?? what's the reason??

3 Answers  

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