How power factor of a transformer is calculated

Answers were Sorted based on User's Feedback



How power factor of a transformer is calculated..

Answer / u.v.v.satyanarayana

actually transformer rating is in KVA. so powerfactor is
not come across t/f,because total loss depends on voltage
and current only. generally p.f is unity.

Is This Answer Correct ?    9 Yes 1 No

How power factor of a transformer is calculated..

Answer / raghu

Transformer power factor is depends on our type of load current depends on pf,voltage and KW.

Is This Answer Correct ?    3 Yes 0 No

How power factor of a transformer is calculated..

Answer / mostafaghodrat

According to the load account. If there is no load
p. fee no load on the transformer is about 0.3 to 0.4

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

What is the rating of your substation and what are the different types of substations?

5 Answers   Bhel, NTPC, UPPCL,


why do we use magnetic contactors ?circuit breakers are not enough?

5 Answers  


HT motors are generally connected in star, what will be the effect if we connect HT motor in Delta?

6 Answers   Equate, Ion Exchange,


why we are testing cables with DC supply not with AC supply?

9 Answers   Aurobindo, DEWA, L&T,


how can we detect that which is receiving side and which is sendind end of a trnasmmison line by just seiing it?i.e its which end is coming from genertaing and distribution side?

5 Answers  






what purpose of the percentage impendance in transformer

3 Answers  


what is VFD and where is use of it

5 Answers  


what is the function of fire alarm system?

5 Answers  


what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.

0 Answers   HAL,


what is phase voltage phase current line current and their usage? provide diagram

1 Answers  


Merits & Demarits of Oil circuit & Air circuit breakers ?

0 Answers   Genco,


for selection of transformer we will considering 5 to 6 times of starting current of higher rating motor connected to secondary side. according to process wise we will start the motors gradually suppose if we will start 15 to 20 motors at a time wat will happen?

1 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)