Answer / gursharanjit singh dhunna

Solid state devices are used in Inverters, UPS , Fan
regulators etc

What are options used for earthing the switchgear.

0 Answers   KSEB, L&T, Siemens,

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what are the duty ratings in DG sets?

1 Answers   L&T,

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what is need of air gap in expansion section in busbar?

3 Answers  

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Why transformer neutral earthing? What is advantages?

3 Answers  

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what is vtg limit of earth and neutral at transformer side?

0 Answers   IOCL,

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How earth resistance reduses by pouring water coal and salt?

4 Answers  

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How you take care of a motor from over loading and what are the different overloading ratings of different motors?

4 Answers  

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why the transformer primary terminal indicated by u,v,w.to technical reason

2 Answers   JNTUK,

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Whether the vacuum contactor requires Short circuit protection?If No,why?

0 Answers   Reliance,

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Our transformer capacity is 500kva & voltage ratio is 11kv/433v step down tf.Now i need to know if my input voltage is 10500v and what would be the secondary side voltage i.e output voltage ?

3 Answers   Helma,

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we have 15 ampere variyac but we want 30 ampere variyac what we do

0 Answers   Delta Roto Tech,

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why can't we increase the voltage by increasing the field voltage in order to get higher voltage.so that we can eliminate step up transformer

4 Answers   Bhel,

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