Answer / sanjay nagar

48000/(4160/1.732)=19.99
Ratio may be taken as 20.

Answer / nain

voltage for delta side will b measured line voltage(phase
to phase)
voltage for star side will b measured phase voltage(phase
to neutral)
as u hav given both line voltages so for star side v will
convert that to phase voltge i.e.4160/1.73=2404.62

so ratio=48000/2404.62=19.96

Answer / ipit

48000/(4160/sqrt(3)) = 48000/2401.77 = 19.98

Answer / kirankumar.nallamekala

48000/(4160*sqrt(3))=6.657

Answer / k.babu

For Step down purpose

what is meant by VDC ?where its applicable ?

2 Answers  

when 40 watts and 60 watts bulb is connected in series, which bulb glows brightly ?

5 Answers  

how is the connection of a 3 phase ct trivector meter done on a pole mounted transformer

0 Answers  

In short transmission line,why does the receiving end voltage is less than sending end voltage?

4 Answers  

How can we save theft of wire after finishing of wiring work, plz suggest another answer other than security or supervisor's work?

1 Answers  

Which oil can be used in transformer?

1 Answers  

What does the letter CTNM in negative phase sequence relay means?

0 Answers  

what happens when back feeding supply accidently collapses with normal supply ??? How?? [that is sometimes in a substation 11kv feeder if their ws long time permit work, back feeding supply will provide from nearest substation... if accidently after the permit work,they charged the feeder without removing back feeding wat will happen...?]

1 Answers   KSEB,

when we r using single phase load and we have power cable of 3.5core with .5 of neutral and neutral is suppose to the returen path of the phase how much current will flow in the neutral.reply.

2 Answers  

What is power factor?How to improve power factor

2 Answers   Tech Mahindra,

hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)

0 Answers  

Bimetal strip used in overload relay what is that,which types of material used for that & percentage.

0 Answers