Answer / chakri

33kv tr=300 ohm
11kv tr=500 ohm

Answer / s.naidu

Naphthenic mineral oil ( higher flash points ) and minimum
safe insulation resistance in 33KV TR-500 ohm
11KV TR-300 omh
insulation at temperaturs more than 120 to 140 c the gas
bubble are formed as a result of insulation deterioration
these is reasion of leading breake down.

what is necessity of using isolation transformer?

4 Answers   NTPC,

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what are the protection components on HT Side and LT side?

2 Answers  

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how to convert lv line to hv line and viseversa, any losses will occur during this process

0 Answers   Jindal,

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What is maximum AC & DC transmission voltage in India? and where?

12 Answers  

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please forward me the type of questions which would rise while me attending to 33KV Electrical License to my mail ID:vadrevu_raghava@yahoo.co.in

0 Answers  

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Why are transmission lines multiples of 11? Is it because of some historic reason ? Or is there a scientific base to it?

5 Answers  

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why dc supply is not applied for step up or down in transformer

3 Answers  

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for testing busbar (33kv) hi-pot .whether we can apply DC r not.and what is the test volt for that .explain

4 Answers   WGPSN,

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What is star-delta transformer?

0 Answers  

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what is compatible kva for 3300 watts and why

1 Answers   FoodBev,

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what are the possible reaons & remedies if resistance of NGR getting heat up

0 Answers  

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How to detect voltage vector shifting in interconnection protection.

0 Answers  

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