Why transformer ratings in KVA not in KW?

Answer Posted / maranatha

in t/f core and cu losses are occur these losses are
depending on voltage and current and it is independent of
power factor so t/f rating kva

Is This Answer Correct ?    15 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to calculate impedance volt in Transformer?

1544


what is mean by PIR in circuitbreaker and give me detail of that?

3084


please send previous exams question papers

1387


How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.

1671


what are pilot cells

1573






Briefly define and explain the following different types of Pulse Amplitude Modulation (PAM) with some examples. i) 2-PAM ii) 4-PAM iii) 8-PAM iv) 16-PAM v) Quadrature Amplitude Modulation (QAM)

1633


Draw the line diagram of diffretial relay connected to transformer?

1966


can indirect loading be called as phantom loading?

1553


please send me jindal previous aptitude and technical question and answer.my email id is deep_raj@live.com

1495


Why an ac solenoid valve attract the plunger even though we interchanges the terminal? Will the poles changes?

668


234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

1572


why we have and use 3 phase not 2 or 4 or other in power system?

1681


PAC and simple Ac different

966


What is meant by derating factor?

662


When distance between two pulleys is not fixed, the tension of belt is adjusted by a) driver shaft b) driven shaft c) adjustment screw d) belt

2430