why transformer ratings in kva?
Answer Posted / saran
normally rating of a equipment depends upon heat , which
depends upon loss. as in transformer both copper loss &iron
loss dont depend upon power factor . so transformer rating
is in kva.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What is an iron loss or core loss pi?
how power trnafor from 1 point to another point in bus bar ya transmission line( voltage trnasfer from 1 point to another poin)
why would amp draw on neutral wire be as much as amp draw on the hot leg.
Define conversion efficiency of a power amplifier.
It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.
how to know the diffrential relay setting of 06mva step- down (delta-star)transformer?
how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.
How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.
c++ write a program to use a fuction call "max"which accepts an intger arrey of size5.as an arrument and return the larger and smallest of the arrey to main without changing. the original changing of the original position of the element of the arrey.
how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!
how to calculate slip ring induction motor stator and rotor currents??
why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%
Why space heater is required for each verical bus bar chamber? if one space heater is adequate or not for anti condensation?
(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 ?
how are reversing the direction of rotation of dc motor