What is the amount of no load current of 630 kVA tranformer
voltage ratio 11kV/440V ?

Answer Posted / satish babu

The No load current depends on the Core grade used in the
transformer laminations & the flux density at which it
operates,
a) 1-2% in high quality materials
b) 5- 10% in economy grades,

Is This Answer Correct ?    24 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula

1733


In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

1294


why servomotor motor? where i apply for best output?

1559


What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

3145


What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

1579






FEINGING DECREASES THE FLUX DENSITY IN THE AIR GAP. HOW?

1684


Explain the operation principle, advantages and disadvantages of the following converters: a) A 12 pulse converter b) A Switch-mode inverter c) A thyristor inverter

1498


Why Utility Distribution System in India is mainly at 11 kV? Why not Utility go for 33 kV?

1321


i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me

1674


How can calculate the rating of a servo stabilizer for given a specific load

3079


is oil viscosity affect on motor current?

1516


Classify drilling machines.

686


What should be the values of settling time, peak time, steady state error, overshoot, rise time, MPOS (Maximum percent over shoot) to keep the system in transient state, to keep the system in steady state ?

1769


What are the advantages and disadvantages of open loop control system?

662


how to calculate fault level?

1674