Hello friends, Can anyone explain the concept of zones in Bus bar protection and how can we differentiate the main zone and check zone in Bus bar protection

1 Answers   ABB, NCC,

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Why electricity is generated and transmitted at the values of multiples of 11?

3 Answers  

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Earth has zero potential then what would be the neutral potential ?

0 Answers   JLL,

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what is tan delta measurement?..... why that terminal is earthed.....?

4 Answers   Power Grid,

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Why we use neutral cable just half from phase cable.Tell me briefly,please.

4 Answers  

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What current flows in the transformer primary when its secondary is open?

0 Answers  

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What is power factor?

3 Answers   L&T,

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If one ct is reversely connected in Y system what will effect in kwh and kvarh meter?

1 Answers  

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What is the effect of leading power factor for power transformer & D.G?

7 Answers   Exide,

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What is the criteria for deciding whther fire wall is required between two power transformers

1 Answers  

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what is pressure relief valve?where it is used????

4 Answers   Mecon,

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What is a transductor ?

2 Answers  

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