what is meant by rotating magnetic filed
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What is the diffrence between ofline ups and online ups?
What is voltage
what is the advantages of having in-built acvvvf (without seperate inverter in the control panel)in the drive system of elevators?
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
what's transient & sub- transient reactance means?
In Which vector group power transformers are mostly manufactured?
What is the difference between AMF panel and DG Synchronization panel? please define the working of both the panels?
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 ..........
3) How earthing is done? How it measured? Write the method for earthing? How the earth resistance is kept low?
can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?
what is the difference between surge protection capacitor and surge arrestor
difference bteween neutral grounding resistor and neutral grounding transformer??