which level of transformer oil has got low dielectric strength ?why?

2 Answers  

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according to ohms law ,the voltage increases then current is what happened?

4 Answers   NTPC,

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What is Automatic Voltage regulator(AVR)?

6 Answers   Cummins,

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A 150KW 440V motor is need to replace in the field instead of faulty one. what are the main parameter should I need to check?

1 Answers  

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Can anyone please provide me details of MCCB/Contactor/SFU rating calculations for a motor feeder..for example 50 kw.. not from type-2 cordination chart. i want manual calculations..

0 Answers  

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why are the transmission lines operated at 220 kv nly... nt les dan dat...

3 Answers  

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why circuit breaker closing time is always higher then tripping / opening time.

13 Answers   United Phosphorus,

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which seven wonders are selected in india in 2008-2009

2 Answers  

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What is the difference between single phase, 2phase, and 3 phase motors?

2 Answers  

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WHY IS THE POWER FACTOR NOT MORE THAN UNITY.

6 Answers  

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can we use ps class in combination with protection class in differential protection and over current protection.

1 Answers  

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What is Earthing?

16 Answers   Essar,

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