WHAT IS THE DIFFERENCE BETWEEN KW AND KVA ?

Answer Posted / muhammad ashraf

KW is actual power and KVA is apperant power, all
transfomers and alternators are design at KVA bases and all
motors are design at KW bases. we can calculate the power
factor by using both.

Is This Answer Correct ?    7 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

1693


How to calculate the External Resistance required for 60HP slipring motor in case no any data of the Motor is available???

1614


What is meant by impedance? difference between high & low impedance ?

1567


how could we calculate the no of outgoings from a 800 watt distribution board

1263


how to select the automotive wire size by mathematical calculation. for xenon headlamp with ballast. the ballast given data voltage 10-17v,current permenant 6amp, run up phase is 15amp, peak at swicth on max 400micro sec is 40amp.the sum of cable resistance is 150mohm.please provide referenc document if any for relating the peak at switch on current,time & wire wire size

1909






Mention what are the types of semi-conductors?

727


HAI SENT HPCL APTITUDE QUESTION PAPER, MY EMAIL ID IS angus_eee04@rediffmail.com,angus_eee04@yahoo.com

1717


what is transient voltage?

1797


what can be the causes of capacitor start motor having a higher current that its actual

1514


In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?

1427


can someone explain that how the speed of the protection system affects the fault level calculation?

1480


Define non-touching loop.

818


What is the power factor of a transformer at no load?

669


how to interlock 3 nos MCCBs using under voltage coil. please provide me circuit diagram?

2164


why there using acb enclosure in big buildings

1547