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from generating station If 400v LT line length is 1000m how much voltage is drop and how do i calculate it? which cable will be use for this line?
1985can any one explain about when EB supply failed then how the load will transfer onto DG's step by step.
1 3254dear all, How do i increase UPS (1000VA)backup time ? i have connected 2 12v wold you please 120 aH battery externally. ups charge the lead acid battery only 12.7 volt. backup time only 10.00 minuts and gose off. can any one of you help me?
1 2885In a 3 phase system a neutral exists so that any unbalanced currents can flow through it towards earth.... but a phase demands a particular current as per the load attached to it....then where does the extra current come from the goes in the neutral??....I mean in an unbalanced system a phase demands a current as per its load attached....then where does the unbalanced current come from??
1 3281I am having 120KVA UPS,which is connected to DG & normal power. What is the power drawn by this system when system is running on DG ????
2 4164how to get electrical supervisor competency certificate in gujarat. i did 3 year diploma in electrical
2533Post New Electrical Engineering Questions
what are the ''pitting rings''and how cn they be controlled in a series generator
What is big transformer parts and their function ? Ty
sir i have a car stereo system and there is jack on him so can u tell me a way to find out their power terminals on the jack or on the circuit board"
what is errection pcbs?
What is different type of Electrical curve and how it protects the equipment's while up-normal situation?
Can we use shunt trip coil instead of trip coil with protection relay for protection?
What is the function of the generator exciter?
1) Explain why we don't link the two earthing system ht and mv on a pole mounted transformer sub-station.
what is the difference between RMS & TRUE RMS VOLTAGE
(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.)
i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400
what is a synchronizing lamp ?
What are the parts in a inverter?
What is the formula of frequency ?
why to use freewheeling diode ( diode in revers bias mode) across dc coil
