what is the formulae for selcting capacitor bank to increas
pf
Answer Posted / gunasekaran
suppose we are using 220KW motor and 0.7 pf we can calculate
the capacitor bank capacity through following formula
p=220KW
s=220/0.7 =314KVA
q=sqrroot(ssqr-psqr)
q=224 KVAR for unity p.f
| Is This Answer Correct ? | 0 Yes | 2 No |
Post New Answer View All Answers
What are the protection required for Transformer, motor, Line, Generator, capacitor, that all i have to refer which standard?(Like Transformer detail IS 2026)
A logic circuit that provides a HIGH output if one input or the other input, but not both, is HIGH, is a(n)?
Why have to use copper cable for local isolator to motor ?
Why efficiency in thermal power plant is low?
what is vtg limit of earth and neutral at transformer side?
Difference between low impedance and high impedance Restricted Earth Fault
i need previous entrence exam papers of nhpc.
do you have some of interview Questions in power and genrator section in general whith answers
What is the drawback of static coefficients?
how we findout a ignater is faulty or not?
if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.
1.ZEBRA conductor(large size) 2.KUNDHA conductor( small size ) 3.panther conductor(very small ) 4.lepard conductor (very very small)
what is auto re-closer?
why do we not use equivalent voltage source in negative sequence equivalent ckt.
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,