what is the ambient temperature of transformer oil & winding?

2 Answers   Reddy Labs,

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we have consol make 3 phase servo stabilizer for cnc m/c. while installing the earth neutral voltage is 1.7 volts at stbilizer off condition and when stabilizer get on en voltage reaches 4.8 volts (new earthing is done and neutral is helthy condition all phase to neutral volts 440,442,441 v)why this happen.solution for cause.

3 Answers  

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Three way plug point is there ,in that plug why we need earth pin is bigger than compare with phase and nutral pins?

7 Answers   IIT,

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WHAT IS START TO INDUCTION MOTER IN STAR TO DELTA OF >5HP ?

0 Answers  

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How many kinds of E.L.C.B and how to work E.L.C.B

0 Answers   Accenture,

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What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

0 Answers   XX,

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What is dynamo function in DG sets and draw block diagram?

0 Answers   KPR Agrochem,

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IR value for 30kw lt motor

1 Answers   Hofincons,

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what is mean impedance?

7 Answers   ONGC, Wipro,

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Explain the different regions in frequency response?

0 Answers  

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How can you test the vector group of power transformers?

2 Answers  

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what are tpes of insulaors& its uses

1 Answers   ABC,

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