When to use Oil Transformer type and When to use Dry type? What is the difference between both?

2 Answers   ABC,

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Can RCD's used to protect the VVVF drive if not why.

0 Answers  

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Which is stiffer between salient pole rotor and cylindrical rotor synchronous machines? Justify your answer.

1 Answers  

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How RTCC works with OLTC

1 Answers   Siemens,

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what is the mean of short circuuit current ( for ex. 50KA)?

2 Answers   Weltech Engineering,

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What are the different types of transformers?

0 Answers   Syntel, Visa,

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is earthing is necessary if we use armoured cable

1 Answers   ABB, Schwing Stetter, Siemens,

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What is the maximum percentage voltage drop (vd%)for a motor control center

0 Answers  

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Why does the phase voltage of two healthy phases become equal to the line voltage in case of an ungrounded neutral 3 phase star connected sytem when a single line to ground fault occurs ?

2 Answers  

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What is the breaking capacity of transformer and how can we calculate the breaking capacity of tranformer

0 Answers   Siemens,

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can indirect loading be called as phantom loading?

0 Answers  

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A resistor,inductor and capacitor are connected in series respectively.Voltage across resistor is 40v,across inductor is 70v,across capacitor is 100v.Then what is the total voltage applied across the elements?

5 Answers  

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