why generaotr rating is in kva and dc motor in kw?

Answer Posted / k.prakashchandra

The pf is the reason ,as ac power output of alternator is
=Kvaxpf whereas the pf of dc motor is always unity and Kva
=Kw

Is This Answer Correct ?    40 Yes 11 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021

720


how the works electronic energy meter?

1655


What type of DC motor would you see for a lift?

641


Difference between earthing & grounding.?

1579


Why 15Amp. MCB is suitable to carry load of 1.5Ton Ac please Explain?

1635






Does the direction of rotation of d.c. Shunt motor would get reversed if the armature current and field current both are reversed?

644


why all the feeders are designed in a particular manner ... is there any reason for that???

1491


which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?

1560


What are the internal and external faults?

611


what will happen if there is a voltage leakage or current leakage in an electrical train

1501


how cables go in and come out for distribution from the feeder pillar box?

1595


What do you mean by turns ratio of instrument transformer?

620


What are stable systems?

627


why do we carry out winding resistance test?

1834


xfhnchncv?

1403