Answer Posted / ranjith
KW=KVA*cos(phi)
In case of dc machines cos(phi) is always 1... but this in
not in case of ac machines, as depending upon the
load(inductive, capacitive) the power factor(cos phi) will
change.
Correct me if am wrong
| Is This Answer Correct ? | 19 Yes | 1 No |
Post New Answer View All Answers
there are cam operated switches - why we call cam operated , What is cam ?
Sir, plz tell me how droop setting is done in parellel operation od DG set ? please give practical example ?
What is bode plot?
Why use the vcb at high transmission system ? Why can’t use acb?
How to calculate or formula to calculate rhe power in 2 phase system ??
I Need standard operation procedure(SOP)for 500kva Oil type transformer oil filtration & Procedure for IR value checking.
which type of cabel
why occ characteristics of generator is also called as magnatization characteristics ?
plz tel me syllabus and exam date 4 jr executive engg (electrical)
To make a basic instrumentation amplifier, it takes A One op-amp with a certain feedback arrangement B Two op-amp and seven resistors C Three op-amps and seven capacitors D Three op-amps and seven resistors
The efficiency of a 100kva transformer is 0.98 at full load as well as half load , for this transformer what is the Copper loss at full load ?
In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?
What is meant by RVT and NDR ? expansion and details of it
which type of effect of turbine and generator reverse power protection ?
Define phase cross over?