What is the use of oil in transformers?
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trasformer ratting
how does excitation of brushless alternator took place?
what is divercity factor?
could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?
During Testing of Maintenance Free Earthing, How deep should be the Spikes of Earth Test Meter should be inserted in the soil(one spike is 15 Meter & Other spike is 30 Mtrs away from the Main Earth Electrode. Because, recently, we observed that when spike is inserted 3-4 Inch in the earth- results are better, If spike is inserted 1 feet deep than results are increasing.
hoe to select the cable size in sq mm for certain load?
what is the difference betn earthed and unearthed cables which is commanly used why?
What should be the value of earth resistance for an instrumentation/electronic circuit? As per which IS/IEC Code?
what is dc system? how getting pulse from rectifier?
Will a load of 15A work if we connect it between one phase and earth?
detailed procedure how we calculate cost for pcc m10 and rcc m20 including centering and labour excluding steel/ iron
WHAT IS LOAD CELL