Interested to Buy Any Domain ? << Click Here >> for more details...
what is the formulae for selcting capacitor bank to increas
pf
- 4 Answers
- 7119 Views
- I also Faced
- E-Mail Answers
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
I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com
how to determine ct ratio in ht vcb?
Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks
How does zener phenomenon differ from avalanche breakdown?
I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?
what is sevice settings for mccb?How can be it setted?
what are the application of over current relay?
Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!
What are the protections for safe running of electric generator?
draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words
For a three phase induction motor, what will be the effect on motor if the neutral of the system is shifted to say 20 deg.?
I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com
Z transform is use when system is not a) converges b) diverges
3 phase induction motor connection star or delta while using ac drive motor is .75 to 5.5 kw
How do you compute voltage drop and cable size over distance?
