cb used in railway applications is?

2 Answers   NTPC,

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how to calculate EXCITATION VOLTAGE & CURRENT in ALTERNATOR

0 Answers  

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Why machines are avoided to work is saturation region of B- H curve?

3 Answers  

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What is the difference between earthing & neutral.

2 Answers  

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what is difference between vaccum circuit breaker and air circuit breaker?

2 Answers  

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

12 Answers  

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what is the difference between between open delta and broken delta?

5 Answers   Reliance,

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Why not using Air circuit breaker at High tension side?

1 Answers   Wipro,

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what is voltage rise and voltage drop?

8 Answers   HP, jetking, TCS,

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To test Transformer we give HT side 440V to see wheather that it is producing 17.6V on LT to verify Voltage ratio is correct or not but when we give the 440V voltage to LT side then what will happen to HT voltage ?

3 Answers   Aditya Birla,

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explain the meaning of harmonic resonance

0 Answers  

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what are different type of triping equipmen like MCB,MCCB and their differences

3 Answers   ABB, Schneider, UPPCL,

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