can I connect 25KvA stepdown transformer(RYB-440V,UVW-240V)
to the output of 15KvA,3-phase online UPS(440V phase to
phase)please brief.
have u any web site who can give all electrical sum's to solve counting easy like how to convert 1kw=?Kva.
why indicated sypply only by 440V in 3-phase system.
what is the use of pmg in exciter?
How many sprinklers should be in one pipe line?
Why is it not possible to operate a star-delta transformer in parallel with delta-delta transformer?
why a diode bridge is provided in vcb control circuit ?
Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?
What is BMS System???Types...
is 3-phase induction motor need a starter ? why do it so
I am inpecting a 10kVA UPS what tests should i do and should i observe?
What is TVSS Protection???
what is the significant for using two types of voltage(line voltage & phase voltage)