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how will you calculate rated Primary and Secondary voltage and Current for 2500 KVA, 11kv/443V Transformer
2 4934how calculate cable size in squre mm, when the load is given by in kw? do u have current rating chart of elctrical cables?
4 12182I have three phase 400 KW,390 A MOTOR.For this motor which type of Cable is required....specifically rubber cable required. Can anyone help me..
5 8852Why celling fan rotates in anticlockwise direction and table fan in clockwise direction ? Give technical reason.
5 18215how can we phase identification in a distribution line,how we recognise that which phase is coming for a house hold connection.help me............
2034Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks
3914Are Refrigerators & Deep Freezers the Inductive load ? How to calculate the Power Factor & hence the Output Power for them ?
5070How can we calculate the power factor of an electrical appliance ? Is there any formula ? Is there any meter around to calculate it ? And how to use that meter ? thanks
2 6743upto how much low RPM we will run the commercial motor which is run through VFD without any problem occurs in motor.Motor rating Duty is S1 & RPM is 1400.
ABC,
2102Post New Electrical Engineering Questions
what is saturation kit?which use above 15 kw motors panel side.
why the neutral point in connnection oscillates?
If the rated speed of a d.c. Shunt motor is1440 r.p.m, which method of speed control would you suggested to obtain a speed of 1500 r.p.m?
(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?
Pl. give me checklist for installation & commissioning of machine tool.
what is excitation/
how can check the resistance of battery contact?
why the projects getting loss?
What are the advantage of free wheeling diode in a full wave rectifier?
Define the term Capacitance and Inductance?
I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.
what is difference between 5A and 100A CT constructional wise and operation?
what is capacitor voltage transformer?? how it is different from potential transformer?
in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.
HI....HOW CAN BE MESARED THE VALVE OF NEUTRAL GROUND RESISTOR WHIC IS LOCATED AT SWICHGEAR ON GENERATOR SIDE....
