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What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.
2183I WANT TO INSTALL LIGHTING ARRESTOR ABOVE 20 FEET HEIGHT INDUSTRIAL BUILDING. NOW IT WAS 15 FEET HEIGHT HOW MUCH DISTANCE IT WILL COVER & HOW TO CALCULAT THE DISTANCE COVER BY THE ARRESTOR
1996We know flow of electron is current . But why electron flow from negative to positive and current from positive to negative?
4 7631why sometime we get electrical shock while touching the ballon of dish tv connection ? which we should not get.
1986I did oil BDV test of 1600 KVA trafo 20KV/400V as per IEC 156. Result is 1) 58 KV 2) 58 KV 3)40 KV 4) 50 KV 5) 58 KV 6) 18 KV. Avr is 47 KV. Can we say oil is still ok even in the 6th test BDV is 18 KV ?
1 5349Post New Electrical Engineering Questions
How to calculate the Harmonics losses in terms of cost/unit.
state the working of discharge lamp?
Advantages of using generator circuit breaker (GCB) scheme in a power station ?
how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?
what is DRP panels?
what exactly commisioning work does in electrical site work... LT side?..
why we use 630mm single core cable for transformer secondary side and why two neutral cable
How i can decide that HVDC line is best for transmission.
TYPE'S OF BREKAR ,WHAT IS TRANSFORMAR & SAFTY. STARTER DOL & STAR DELTA STARTER.
What is meant by Im=30mA@Vk/2. How to know the kee point voltage for CT design
Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?
What is the working mechanism of OLTC in Power Transformers????
in single phase converter, the no.of scr's conducting during overlap a)1 b)2 c)3 d)4
why we testing the core balance of the transformer before comissioning?
At what factor resistance r of a conductor depends?
