Are you connected Transformer neutral eathing with it's body earthing or earthing met of switch yard.? Yes or No ? why ?

2 Answers  

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what r the safety measures in UPS ? explain all?

0 Answers   Wipro,

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What is the dc grounding system and what is diff between AC/DC grounding system?

0 Answers  

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why constant voltage transformer should be start without load? and if started then what will happen?

0 Answers  

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difference between EMVT, PT & CVT ?

9 Answers  

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in magnetic field we send current to generate flux,why not voltage?

2 Answers  

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what is AVR in alternator how its work?

8 Answers  

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Hi My Dear All Friends, There is one question it is widely used in Power Project's High Voltage Engineering. Question- What is the diffrence between Earth fault and Back up Earth Fault....???? . . . . . . Have A Good Day

1 Answers  

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can anyone help me regarding bout Electrical designs and calculations .. which text book should i follow as i am a trainee engineer.Description of my work which is Electrical designs like cable sizing, lighting, lightning, Gensets sizing, motor sizing, transformer sizing, generator sizing, circuit breakers, PDB MCC PCC SLDB MLDB panels, Single line diagrams mainly, substation desings, cable routing and layouts, reactive power compensations, power factor improvement, voltage drop calculations, power generations, power transmission, power distributions all calculations.Please help me

3 Answers  

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1.why ACB is not connected in HT side what Happens? 2.how much voltage maintained in ACB breaker? 3.OLTC is connected in primary side in case secondary side connected what happened?

3 Answers   L&T,

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why does in transformer the v/f ratio constant?

2 Answers   TATA,

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What is cogging and crawling phenomenon in motor.

2 Answers   DAE,

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