Answer / koodalingam

To protect the primary winding of the potential
transformer.If you not earthed the system,the unbalance
voltage will appear between neutral and earth.This voltage
can damage winding.

Answer / vinod

in EHV single phase PT are using, primary one end need to
earth for taking stable 3 phase secondary from three single
phase PT

what is Electrical BMS

3 Answers  

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What are the major types of Curent Transformers?

2 Answers  

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why the supply power frequency is 50hz in india? where as it is 60hz in US?

4 Answers  

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1.what is electricity 2.what is electronice 3.how many modules 4.five electrical component with symbol 5.five electronice componene with symbol 6.how convert 220v.A/C to 24v/DC 7.220V.WAIRING DIAGRAM OF AMMETER/VOLTMETER/OHMMETEER

1 Answers   Hatsun,

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which frequency is to be selected for measuring earth resistivity

1 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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why transformer not used to starter

1 Answers  

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what the reson to use phase shift( angle) like (dyn11,Dd5 or Dy0)are usedin power and transsmison line

1 Answers  

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Explain why machinery used on a.c supply is usually rated in KVA instead of KW?

10 Answers   EEE, Mtandt,

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Differnce between negative Pahse SequenceFunction and unbalance Function?

0 Answers   Atsco, LMW Lakshmi Machine Works Limited,

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how we protect the motor & what are the components required for that ?

2 Answers  

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To avoid arcing what we connect in earthing.

4 Answers   HAL,

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HT and LT cables can be laid on same cable tray

1 Answers  

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