Answer / uzair bin khalid

when we switch on the switch and load is not connected at
home, no is electricity wasted bcz loop is not completed.

Can any one explain me about 2 phase motors ?

2 Answers   L&T,

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Why should we use jelly filled armoured cables in underground Communication system? What is the use of the Jelly? If we go for unarmoured, then what happens?

1 Answers   Prasad Group,

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WHEN THESE TRANSFORMERS WINDINS CONFIGURATION ARE USED? SPECIALLY EXPLAIN REGARDING STEP UP AND STEP DOWN KEEPING IN MIND.AND REGARDING LOAD ALSO. a.star to delta b.delta to star c.delta to delta d.star to star ALSO EXPLAIN WHY V USE 415/415 TRANSFORMERS IN TUBEWELLS?

1 Answers   ABB,

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IN star -delta motors normally first operated in star mode {absulated given (r-y-b) phases after one miute change in delta mode in this case i am change phase sequience for example R -PHASE TO CHANGE Y-PHASE ;Y-PHASE TO CHANGE R-PHASE SO THIS TIME MOTOR WILL HAPPEN RUNNIG MODE EIGHTER(OR) STOP MODE(TRIP MODE)

6 Answers   MacLellan,

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I have 380.KVA Volva Penta DG set. Tell me how to calculate units from KWH reading....

3 Answers  

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what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:

0 Answers  

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Hello friends, Can anyone explain the concept of zones in Bus bar protection and how can we differentiate the main zone and check zone in Bus bar protection

1 Answers   ABB, NCC,

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What is Meant by Load factor in Power plant?

2 Answers   ABB, Electrical,

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1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?

0 Answers  

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How we can measure the thickness of bus bar for a given load ? any farmula Plz elaborate clearly.

2 Answers   ITC Infotech, TCS,

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Application of statically induced emf

0 Answers  

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In CT,which terminal(s1,s2) need to be grounded?

2 Answers  

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