why secondary of transformer always grouded?

1 Answers   IIUC, Sodexo,

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can we use 400w coke instead of 250w choke in 250w fittings

2 Answers  

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Difference between SFU & FSU with advantantages & drawback?

1 Answers  

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what is the use of terminals in transformer ?

1 Answers   Core Solutions, Honeywell,

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what is ATS & RING MAIN UNIT in Distribution System?And its Function.

0 Answers  

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please explain how to do 'pole drop test' on generator?

0 Answers  

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what is circuit recombiner and how it is different from circuit breaker

0 Answers  

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I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id: vsujith_rajan@yahoo.co.in

3 Answers   RRB,

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Simultaneous trip of incoming and outgoing breakers of 400kv/220kv trnasformer. What are the probable causes?

2 Answers  

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what is difference between differential protection and distance protection and how we calculate the sloop?

5 Answers   OPS, Power Grid,

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Why we are using Isolation Power Transformer inplace of commercial power transformer? What's the difference between them?

0 Answers   UPCL,

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can we connect 2.2kw star motor in delta passion?

1 Answers   Zuari,

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