Answer / shri..

To selecting rating of tr considering 3 points

1) connected load
2) Power factor
3) Future expansion

KW=KVA*PF

Answer / rajeshsan

The rating of Transformer is sized based on many factors:-

1. Total load demand
2. Design margin
3. Continuous load with certain margin with intermediate load
4. In case of Thermal Power plant, Factors like Worst coal, Test block condition for Worst coal..

When PRV operated at power transformer ,can anybody tell me particular pressure for 50mva transformer plzzz.

1 Answers   BWSSB,

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why we ground the scondary of current transformer.

4 Answers  

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what is PPI DB?

2 Answers   Priyanka Electricals,

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what is the meaning of spur line?

1 Answers  

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how power factor improves by connecting syncronous motor

2 Answers   ACC,

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Why do we use only Sinusoidal Wave in AC supply why not the Square,Triangle or Sawtooth etc?

2 Answers  

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How to protect a Dosing pumps/any sensitive equipment (single phase) from surge protection inside a food factory.

0 Answers  

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At what distance power transformer can be placed from generating ?

6 Answers   NTPC,

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what do you mean by plant earthing system.

0 Answers  

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hw to find transformer is in normal position? whether its in charged condition or not? except humming sound?

9 Answers   ABB,

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how i define power factor when some one ask me ,,,,,what is power factor ,,,,,pleas define it simple. (pleas dont use these worlds ,,the difrence bitween apparent power and actual power is power facter )

1 Answers  

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Sir we are using 250 kva DG its Diesel consumption 25 lits / hrs maximum load 160 kva now how to calculate units/ litres

1 Answers  

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