Answer / engineer

25 kvw

what is the change over switch ,switch disconnector ,bypass switch and switch disconnector fuse unit?

1 Answers  

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In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring

0 Answers  

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how the capacitance is caluclated if the load is varying to keep the power factor constant(above0.95)

1 Answers  

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sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.

1 Answers  

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In my project i am layout cables under the Maintainance bay /Maintainance yard in the TG Building. Whether in this route i can lay the H.T.Cables??? i am taking all H.T cables from the H.T Transformer to the TG Building..

1 Answers  

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What is Isolation Current transformer and what purpose to use it in REF relay ?

1 Answers  

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how we can calculate 2 phase welding transformer rating or total power?

0 Answers  

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what percent do you derate your copper wire when you change from copper buss to copper wire

0 Answers   Gerdau,

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1. what is difference between VCB and ACB.how its works please explian.

6 Answers   ABB, Accenture, HP, Minda, Mother Dairy, Satyam Pharma,

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how is working the APFC when varying the load?

1 Answers  

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Normally the starter used to reduce the starting current.but the dol starter do not it,so why we use it?

4 Answers  

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Can we use the Poly Phenly Sulphide instead of Poly Phenly Ether? Do clarify your opinion.

1 Answers  

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