Answer Posted / siva

converting very high volyage to very low voltage is
impossible because while making the system to convert the
windings in the machine will damage, and the making of 33kv
to 440v the cost very high, and complex

How to calculate the Efficiency of Chiller

3328

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how cables go in and come out for distribution from the feeder pillar box?

2076

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what is difference between earthingpits,earthing grid & earthing mess?

2489

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

2135

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What type of wiring series or parallel is used for conventional and addressable type FAS & why?

1791

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I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com

1980

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1- What is the Polarization Index number be good for 15KV 3c#500MCM electrical cable? 2- Can I use the IEEE Std 43-2000 to perfom the PI test? Thanks

3361

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what are all types of cross section in AC cables?

2282

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How to calculate size of HT breaker with the help of Amp (current)? Please provide answers with examples.

2318

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WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

2101

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what is the minimum clearance between a 11KV 150KVAR capacitor cell and series reactor.can a series reactor can be mounted in the same structure of the capacitor cells structure

2198

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What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?

1840

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Draw a SLD of DG distribution up to main LT panel?

9463

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How to know the Max. current caring capacity of the cable by its size ?

1638

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If oil and air can withstand a high MeV when used as an insulator in a transformer, what are the values of how high for each material?

1862

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