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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Can a 5 core cable one end with a 32A 3p+N+E plug and the other end 32A 3p+E be used on a generator?

1 Answers  

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what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

0 Answers   TATA,

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What is the secondry voltage of 420kV Current Transformer , the rated current is 2600A

6 Answers  

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how to determine the inrush current of a transformer

0 Answers  

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What is inrush current? how can calculateit? what is the affect of it?

0 Answers  

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what type of transformer used in soft ware parks its distribution or power transformer. like 1800 kva

3 Answers  

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i applied for c licence with my one year apperents trainee and i have attaced with A grade contractor company experiance that is for 14 monts experiance this document is sufeicant for c licence? pls tell why they rejected

0 Answers   TNEB Tamil Nadu Electricity Board,

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What are reasond for high wattage in single phase induction motors

0 Answers  

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how to find the transformer neutral copper earthing size 

1 Answers  

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how earth resistance can be improved in dry soil

0 Answers   BARC,

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what is stacking factor?

1 Answers  

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