Answer / mk

In Three phase supply ,phases are 120 deg appart and act as ref against each other .for single phase application, neutral which is commen point of phases is ref.ref is essential.ground pt is for safety where leakage current if any will pass to gnd.

Answer / naresh

ground wire is where you connect diff equipment to control their potential diff at one level.this applicable to only body parts only. like a generator where engine , alternator , radiator connect with a wire to control their potential generating due to rotetion of generating set.
and eath wire is the wire which connect between body to earth point of earth pit to control potential of equipment.
this point also imp. to human and machine safety

i want to syncronise 5 nos of DG. How? pls reply

3 Answers  

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What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?

1 Answers  

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How to calculate & connection of 900KVA generator 2 sets & load(1500A)? How to choose cable size and ACB size for this load & generator? please explain me detail. Regards, Mr.Han

3 Answers   Powermec, TATA,

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witch pump used in wtp

1 Answers   Dalkia,

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why transformer donot allow the dc?

17 Answers   ONGC,

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how many desk top computer can connect to a 25kva 3phase generator?

1 Answers  

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What is the RME and explain the full form and what is the RME work?

1 Answers   JLL,

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A 12.5 hp slip ring motor taking high initial current and its MPCB is getting open.what may be the reason?

3 Answers  

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what bridge circuit is used in Tandelta circuit

1 Answers  

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What is clean Earth System ?

3 Answers  

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What is knee point voltage of transformer?

1 Answers   Nabard,

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in electrical control panel. how can i choose the cable rating. (example - 11kw motor, 18-25A mpcb}

1 Answers  

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