Why need 3phase machine double earthing?

0 Answers  

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Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.

0 Answers  

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what is meant by real power,active power,reactive power & apprent power ?please explain it?

3 Answers  

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how capacitor buield up the voltage

3 Answers  

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What do you mean by Stimulastion Test in Diesel Genarator / Why & when it's conducted ?

0 Answers   JLL,

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why restricted earth fault protection can not operate for phase faults??as there will be a current in secondary of ct,when a phase fault occurs!

1 Answers   GMR,

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why we take transformer reading in kva

6 Answers  

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After taking shutdown of 11kv feeder, if you see 5kv by phasing stick in the cable side, is it possible to close earth switch in cable.

0 Answers   KSEB, L&T, Siemens,

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hi frienda We have 250kva cater pillet dg set we are fasing one diffrent proublam in dg we are start dg set after one mint applying load around 450a load but dg was run 3 Or 4 mints after 3 mints dg was shuding down automatic how to face this proublam pls tel any budy

2 Answers  

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Whether amorphous core transformer is commercialized or not:Name of company making amorphous core transformer and what are different rating?

0 Answers   DAE,

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How to calculate per unit impedance of transformer?

0 Answers  

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Upto what extent, the lagging power factor can be improved with the help of capacitors?

6 Answers  

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