Answer / biswa

Breakdown voltage of air is 3 MV/m & for oil is 10-15 MV/m

Answer / sri

BDV of new oil should be more than 30 KV.Below 30 kv is not accepted

Answer / rax

the b/d strength of ir is 30kv/cm. the b/d strength of t/f oil depends on the voltage level of the t/r. for a 33/11 t/f the b/d should be above 55kv

Answer / tmc

Thank you, also if these two materials can withstand a high
MeV, what are the values for how high?

Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?

0 Answers  

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Dear all, I'm manikandan I have done by DIPLOMA EEE from 2011 , I have 5 years of experience from Power plant instrumentation field , which one field is give long life & which one field is best ,I confused a lot and also I'm studying AMIE, can I choose which department from Section B examination? pls tell me

0 Answers  

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what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line

0 Answers   Jindal, Power Grid,

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Hot Water System (HWS). Will a 30ma elcb have more nuisance tripping than 100ma elcb

1 Answers   CIMC,

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what is corona effect?

39 Answers   ABB, Genco, Wipro,

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What Happen When output Short of transformer

2 Answers   L&T, Saber Corporation,

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what will happen when a bulb s connected btwn two phases of a three phase delta connected source?

6 Answers  

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what may the reason for vector shift in a generator?

0 Answers  

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Difference between megger test equipment and contact resistance meter test instruments?

0 Answers  

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how to identify 3phase....r y b .A new make altnator how to identify R

2 Answers  

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Why efficiency in thermal power plant is low?

0 Answers  

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why breaker closing coil gets burnt if supply is continously provided to it.

1 Answers   TATA,

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