HOW to speed control of induction mototr using scalar control
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please forward me the type of questions which would rise while me attending to 33KV Electrical License to my mail ID:vadrevu_raghava@yahoo.co.in
ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?
What is dynamo?How it works and what is the function of dynamo in a DG.
1hp= how much rpm
For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?
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Earth has zero potential then what would be the neutral potential ?
please send me jindal previous aptitude and technical question and answer.my email id is deep_raj@live.com
why core is useful for a transformer ?and also in its operation ?
Write down the brushes of a de machine.
Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?
Which Class insulation is prefered for the sandwich Busducts ? Why?
why and how current drawn by battery charger depends upon the altitude where it is located?
