Why DC current is not used in transformer?

20 Answers   JK Paper, TCS,

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hi friends this is a newcomer in your community of enthusiastic peoples. i am preparing for SSC (CPWD JUNIOE ENGG EXAM FOR ELECTRICAL) pls guide me on the same how to crack it? PLS LET ME KNOW IS ANYONE THERE WHO PASED IT? CAN I GET THE QUESTION PAPERS OF PREVIOUS EXAMINATIONS?

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how to calculate the bus bar current rating

2 Answers  

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Why we use Fuse in transformer in secondary side.Why we dont use fuse in primary side?

1 Answers   Care,

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Differentiate between Low and High impedance Protection

1 Answers  

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I am selected in OCL(Orissa cement Limited), but they have a Tech PI round their at their plant.Anybody has any idea that what kind of questions they are going to ask??Please guies help me. I am in serious headache.I have heard that huge elimination is done at there.

0 Answers  

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WHAT IS DIFFERENCE BETWEEN idmt and instentanous relay? is idmt is used as back up protection or else?or when instantenous relay saturates IDMT will operate???

1 Answers   BK, REL,

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Can earth resistance be measured without connecting the earth electrode? and should earthing connections be disconnected What is the effect of connecting two cables of different sizes in parallel with supply? Thanks in Advance. I am intrested to get in touch with some tecnocrats/engineers,my mail i.d is : hiremathvijay@rediffmail.com

1 Answers  

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1 unit or 1 kwh means how much kva

7 Answers   TATA,

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Why are you like to join it job as a electrical engineering student?

4 Answers   Bhushan Power Steel,

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in 4 pole lap wound dc motor one brush is disconnected then what result in new voltage if its voltage is v volts power is p watts current is i amp

1 Answers   GATE,

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Is there any specialised book to refer about fault level calculation both in MV and LV side??

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