how power can be saved using VFDs in detail explain

1 Answers  

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What is mean by sink and source in term of PLC and drives,where and how they used in logic

2 Answers  

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what is the speed of a turbine in an hydroelectric power station and how many poles does it have...?

1 Answers  

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how is the incoming cable size calculated for a given current rating of a panel??

0 Answers  

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Why we does earthing for transformer neutral point

5 Answers   amps, DLF,

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i am iti student i have project to do. that IS 100MW 220\33KV SUBSTATION I WANT TO KNOW HOW TO START, LIKE CALCULATION, WHAT RATING OF CT,CVT, PT, ISOLATOR LIGHTING ARRESTER WAVE TRAP CIRCUIT BREAKER IN 22OKV SIDE, ALSO TO WARDS 33KV SIDE PLS HELP ME WITH THIS, THIS MY LIFE NOW, I KNOW AUTOCAD, I LIKE TO KNOW HOW TO CALCULATE ALL THE THINGS

3 Answers  

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no of rotrs poles in salient pole synchronous machine

3 Answers  

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what is relation between vector group of transformer and its load hormonics?

1 Answers   Sanmar,

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what is reactive power ? what its role in transmission lines?

3 Answers   Thermax,

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Define the three phase formula fuse.

0 Answers   ABC, Gayatri, UPCL,

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send me the upsc conventional papers of 2006

1 Answers   Juniper Networks, Siemens,

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why we are 0.8 power factor only?

1 Answers   Suman Industries,

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