What is the diffrence between ofline ups and online ups?

3 Answers   Intel,

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What is voltage 

4 Answers  

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what is the advantages of having in-built acvvvf (without seperate inverter in the control panel)in the drive system of elevators?

0 Answers  

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sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

0 Answers   Jindal,

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what's transient & sub- transient reactance means?

2 Answers  

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In Which vector group power transformers are mostly manufactured?

1 Answers   MRF,

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What is the difference between AMF panel and DG Synchronization panel? please define the working of both the panels?

3 Answers   ABB, Power Grid,

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6. A DC AMMETER HAS R=0.1 OHM & CURRENT RANGE IS 0-100 A IF THE RANGE IS TO BE EXTENDED TO 0-500 A THEN METER REQUIRES SHUNT RESISTANCE OF ..........

2 Answers   SSC,

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3) How earthing is done? How it measured? Write the method for earthing? How the earth resistance is kept low?

1 Answers   Innovative Energy,

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can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?

0 Answers  

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what is the difference between surge protection capacitor and surge arrestor

0 Answers   NCS, NCS Sugars,

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difference bteween neutral grounding resistor and neutral grounding transformer??

1 Answers  

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