Three phase alternators are connected in star connection why?

13 Answers   Tanfac,

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what is our body resistance value?

11 Answers   Bhel,

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how can found motors folt current ? how can disided circuit breakers caoicity and breaking capicity ?

0 Answers   Omega,

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any one can explain what is the size of pvc,armoured, various sizes of powr cable dia?

0 Answers  

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1.WHAT IS A SMART CAPABLE DB ( DISTRIBUTION BOX) ? 2. HOW TO DECIDE THE TYPE OF DB TO BE USED ( RECESSED/ PLUG TYPE/ SMART ETC ETC? 3. WHAT IS MILLENEUM BUS BAR USED IN DB? 4.DIFFERENTIATE MCCB AND MCB.

0 Answers  

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How will you calculate the correct KWH value if your CT is 600/5 and your KWH meter is rated for 100/5

1 Answers   L&T,

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what is the meaning of stub protection?

1 Answers  

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what is stray capacitance?

1 Answers  

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how to select DG set for certain load?

7 Answers   ACC,

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How do we measure earth fault current in Generator Transformer(20/420kv),Station Transformer(20/11 kv) and Unit Transformers(20/11kv) for our plant system, since these don't have any Neutral earth Fault relay connected to their Neutral Earth? But for Unit Service transformers(11/.433 Kv) we have an Earth Fault Relay connected to its neutral earth.Why is such so?

1 Answers   NTPC,

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What type of pipe material G.I or M.S is used for sprinkler system?

2 Answers  

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how can calculate static 3phase 4wire CT & PT operated energy meter constant when calibrating using refference meter suppose we have 11kv/110v PT and 30/5A CT, the meter constant is 160imp/kwh, where meter is showing MW energy? give me solution which constant i feed in my refference meter for calibration of energy meter?

3 Answers  

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