Answer / vishal

It is not ri8 ..generating station may generate voltage at nnormally
15 kV......

Ns=120f/p. what is 120?

10 Answers   IAR, L&T, Ramada, Toshiba,

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only three phases are coming in step down tranformers.how to get neutral?

5 Answers  

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When we change the tap position of 10MVA transformer it suddenly tripped with Out of step indication and also with Static differential relay indication, Transformer Bucholz relay indn and Low oil level indication. Before 1 week the same problem occured by changing the tap position. but at that time only oltc bucholz relay activated. After testing the TxR Relay team & PET team cant find any solid reason. The values are ok also. So plz answer wat's the reason for this incident? anybody plz help.

3 Answers  

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ht side line to earth voltage

0 Answers   JLL,

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How to calculate the rating of ELCB OR RCCB for an equipment?

2 Answers  

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why effective resistance should be more than static resistance in transmission line?

0 Answers  

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What mean by MLTP

0 Answers   Machino,

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What happen while we measure the Current in Rotor?

1 Answers  

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WHAT IS IM (INDEX OF MOUNTING )IN MOTORS

0 Answers   L&T,

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WHAT IS THE DIFFERENCE BETWEEN SHOP DRAWINGS/ DESIGN DRAWINGS AND AS BUILT DRAWINGS??

2 Answers   ACC, Al-Jaber, Dubai Group, ECEC,

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How to do the REF Stability test for power transformers in Site?

1 Answers   Escorts, Siemens,

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What are the different methods for calculating Short Circuit Curren?

3 Answers  

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