Answer / srajan

The insulation of transformer winding is tested with megger..it is tested as insulation of lv to earth , hv to earth and hv to lv..it is commonly known as IR testing..its value will be different according to weather..changes drastically in monsoon..

PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM

0 Answers   ABB,

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findout of current?details 440v,3phase,085pf,hp-5

9 Answers  

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Why reactors use before incoming of ac vvfd drive?

0 Answers  

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what is earthing

1 Answers  

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WHAT IS THE REASON FOR THE GROUND PIN IS BIGGER IN SIZE COMPARING TO OTHER PINS?

13 Answers  

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What is Exitation voltage and Exitation current? What is the function of these in Alternator?

2 Answers   TC, Tisco,

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How to calculate current carrying capacity of copper conductor _ such as cable size 25sq mm,50 sq mm, 75 sq mm, 100 sq mm

2 Answers  

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please explain to me how to calculate current,voltage,resistance with formula??

0 Answers  

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hi engineers,if suppose distribution is going to two diff village mistakenly they r interchange the neutral of twowhat happen?

7 Answers   Bhel, L&T,

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Assume a condition such that two motors of rating 6.6kv,415v are connected to blower,so tell me which motor draw large current give appropriate reason?

2 Answers   NTPC, Student,

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Power Factor Correction Panel (Manual & Automatic)

0 Answers  

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What are types of encoders?

19 Answers   ITC Infotech, UFO, Wipro,

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