why Transformer and DG rating capacity is in KVA

Answer Posted / swum

2 types of losses in transformer are
Ohmic loss which is dependent on current
core loss which is dependent on voltage
Since these 2 losses are independent of power factor, rating
is expressed in KVA instead of KW

Is This Answer Correct ?    4 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

is there any role of power factor with frequency variation? and how we can manage the frequency variation?

1640


i need of the bhel question papers along with answers and also give some website names for the downloading question (electrical and electronics engg question)please help me....

1505


testing of Vector Group – YNaoD II

2464


Why synchronous motor is used in power factor improvement,dc series in lift

1192


how to identify vector group of three phase transformer by voltage method?

1162






What is the selection process of breakers. Can any one please give a formulation on same?

1689


How earthing/grounding done in aeroplanes and ships.

3125


What is big transformer parts and their function ? Ty

1686


how to calculate the settings for shaft ct protn in hydro generators

1506


what is the difference between earthing and unearth

2377


How to address the servo drive for motor

1558


1. How many types of mangers? 2.How many types of capacitors? 3.pls tell me normally types alternator problems?

1726


what is a reactive power? what is the relation with power factor?

1645


RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV

1624


why only exciting current is shown not primary current in transformer???

1395