Why inverter rating in KVA?

Answer Posted / sreeknp

we cant predict the pf of load ,dependig upon the load kw
changes so we can say current supply and voltage only ,for
example a300va unit to which five tube can be connected
since its pf is .4 then ups will be over loaded if one ortwo
addtional tube will burn this ups i think ur doubt is cleared

Is This Answer Correct ?    11 Yes 9 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

I am doing apprenticeship training at HT switch yard in NLC. How can i get electrical c license. ??? What r the rules for getting it as an apprentice? ??

1373


what are the tests comes under the type test, what tests comes under routine tests.

1035


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

1498


Why Transformer Neutral having one earth pit ( more earth electrode resistance) whereas body have many earth pit ( less earth electrode resistance)?

3847


Why compensation is necessary in feedback control system?

777






how to ctrl motor by use of ac or dc drive.plz explain evdintly

1486


IN SINGLE PH TRANSFORMER IF LEKAGE IMPEDANCE DROP IS NEGLECTED ,THE FLUX IN THE MAGNETIC CORE and the lekage flux linking a winding are a)proportional to the applied v to the winding i respectively.

1634


how to estimate wiring ins roughing ins. and boxes

1957


what are the preventive maintanance actions taken for air circuit breaker? please answer me

1560


how can calculate 1kva generator running time in 1 liter keroscene

2107


What is big transformer parts and their function ? Ty

1684


What is meant by coupling capacitor?

657


Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com

1565


i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?

1786


earth also having a gravitational force (magnetic field of north and south)but it attracts any object compare to this theartifical magnetic cant perform same as earth why?

1394