why ups in kva ratings?

Answers were Sorted based on User's Feedback



why ups in kva ratings?..

Answer / s raghavendra

generally ups , transformers are rated in kva because the manufacturer donot know at what power factor these are used....................so he places kva rating and depending on power factor we calculate kw and kvar consumption of that devices...................................................

Is This Answer Correct ?    4 Yes 3 No

why ups in kva ratings?..

Answer / raju jeyaprakash

All Passive electrical equipment should be noted in kVA For
Example - Transformer, Diesel Generator, Stabilizers and UPS
etc., What is meant by passive equipment? There is no
conversion of energy.

Is This Answer Correct ?    1 Yes 2 No

Post New Answer

More Electrical Engineering Interview Questions

we the the value of frequency is 50 HZ in DG then why we said the value inductive rectance is zero in DG?

1 Answers  


Could the power factor on electrical system can affect the registration of the kwhr meter or the CT/PT? 

0 Answers  


Why stand-by earth fault relay and restricted earth fault relays are connected between neutral and ground in transformer?

1 Answers  


What is OLTC in a transformer, specify its fuction.

35 Answers   Bhel, Isgec, L&T,


what is Anti-pumping?

0 Answers  






IN A HT CABLES i.e. 1.9/3/3 kv, what is the meaning of 1.9 and 3.3.

1 Answers  


In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.

0 Answers  


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?

0 Answers  


PID controller details

1 Answers  


What is the actual formula for transformer short circuit test? below i given rating of the transformer.. 1000KVA, pri 11KV, Pri amp 56A. %Z 5.95..

2 Answers  


what is the difference between the megger and multimeter operation ?

3 Answers  


What can be a rating of a transformer(KVA) if the load is about 1000KW?illustrate by showing formula?

2 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)