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what ever the ups kva it may 500 kva or 500 va always out
put is AC 240 volts its right?
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How we can come to know the substation range,without go through any name plate ?
According to underground cables a) stress b/w sheath & conductor is high b) inrush of core & conductor
why and where we use early make & late break contacts in protection?
why all the feeders are designed in a particular manner ... is there any reason for that???
in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?
how to put cable sizing and cable glands size for respective cable & Cable Lug size in a DB sectors???
What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)
what is the necessary of using inductance property in transmission lines even through resistance is used to opposes the high current flows in that?????
what is the vvvf in the dumbwaiter?? or lift. what is the actual process?/
How generator NPS(NEGATIVE PHASE SEQUENCE TEST)TEST WAS DONE? PROCEDURE WITH DETAILS?
how to caculate cable size for diff types of loads? if anyone know the calculating procedure please tell me
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what shoud be strength and weakness to impress interviewer????????
how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.
