what is the use of expulsition protective gap in 11Kv line.

0 Answers  

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transformer 3 ph, 225 kva pri 480v, sec 208v. primary neutral connected to system, is secondary neutral to be grounded and how

1 Answers  

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how many load we can take for lighting

0 Answers   ABB,

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Lux meter is the measuring device to measure the lux level of lighting fixture. in industrial sector two types of lighting fixture is being used as street lighting purpose 1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white light which is an combination of red, blue and yellow colour, while HPSV haivng Yellow lighting. in HPSV red & blue colour will be absent. during measurement of the lux level of HPSV and HPMV fixture. 1. Lux meter can measure the actual lux level of both fixture? 2. or it will show false reading for HPSV fixture light as it has only yellow light present. please give me answer

1 Answers  

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different between grounding & earthing?

23 Answers   L&T,

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For Eg a 30 kw motor at full load how much kw it takes And at no load how much KW it will take?

1 Answers   GEPL,

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for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.

0 Answers   wbsedcl,

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What is min and max voltage between earth and neutral/phase if it perfect earthing?

37 Answers   Epoch, ISS, ITC Infotech, L&T, Power Works, Statex, Sterlite, Wipro,

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take 100kva DTR( delta/wye ), what ll happen if we connect 11kv to LT side instead of connecting to HT side? will the DTR behave as a step up transformer or something else????

0 Answers  

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kindly arrange to send me RRB Bangalore previous question paper for JE/Electrical and JE/Signal I am going to write exam on 2010

2 Answers  

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what is differant beetween overload current and phase current?

0 Answers   KMJ, Petron ltd,

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What is the meaning of maximum demand

21 Answers   MN Dastur,

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