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What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?
2093What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?
Remi,
3955Is there any Flood lighting system which produces more light (More power consumption 1000W,400W etc.,), white light and restart immediately after power restoration ?
1 35891)What are the proccedure of initial charge of 100AH lead Acid battery bank 2)whether discharge test is reqd ? if it is rqd why, how 3)what are the discharge critieria (volt/cell or sp.gravity/cell
1 3790sir,i am swati. i am goin to gv jspl exam on 21st nov'10. iwant previous year question paper. plz help me out. my emailid is swatisinha.dav@gmail.com
1 3757why the autotransformer burnt while stating the pumpmotor?, In starter and motor there was no abnormality.
4 14340Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.
2143Post New Electrical Engineering Questions
How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.
(1)The demand for electricity , the amount of renewable generation available, the amount of fossil fuel generation available and the cost of the fossil fuel generation are shown in table below period(hrs) demand(MW) renewable (MW) fossil- fuel(MW) cost of fossil fuel(MW) 00.00 - 01.00 2000 1800 2000 30 01.00 - 02.00 2300 2500 2000 30 02.00 - 03.00 2500 2700 2100 45 03.00 - 04.00 2900 3100 2100 50 04.00 - 05.00 2700 2600 2500 45 05.00 - 06.00 2400 2000 2700 50 06.00 - 07.00 2200 1800 2000 36 07.00 - 08.00 2100 1600 2000 36 Assuming that the renewable generation incurs zero cost, determine an optimal generation schedule(specifying the amount of renewable generation and fossil fuel generation used in each period, the cost for each period and the overall cost for 8 hours.)
What is the resonant peak?
How does the phase sequence controller works, how it identifies the phases? confirm working principle
what maximum range of star & delta in hp or kw ?
What is the difference between circuit breaker and isolator
Whether amorphous core transformer is available in India?.If available then up to what rating of voltage and KVA?.
how can i get the formula to find out the cable size if i know the load of main fuse protection.
I want definition for ABT Meter (Availability Based tariff) ?
How to Calculate The Neutral Earth flat design calculation for the Synchronised generator (Gen 1-650Kva, Gen 2-725Kva
Can a generator runs after getting 1st stator earth fault.
In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?
which capacity of RCCB used for five thousand watt electricity load?
Why can't we parallel Voltage transformer secondary circuits?
1.what is the difference between ct and cvt? 2.what is the difference between pt and cvt? 3.what is the difference between relays and circuit breakers?
