Answer Posted / karanth.sp
The PF of the connected load to a particular transformer is
to be asssuemed or known exactly.If the transformer is
already loaded you can kow the running PF by PF meter
connected.IF the PF is say 0.7 & you want to improve to
unity.You must add a capacitor of Total load in KW multiply
by a factor of 1.02.That is the value of Capacitor in KVAR.
Formula is PF (cos0)=0.7 Tan01=0.963
improve PF(Cos0)=1 Tan02=0
KVAR Required= P(Tan01-Tan02)=P(0.963).
This shall be devided in to number of stages as required.
| Is This Answer Correct ? | 9 Yes | 5 No |
Post New Answer View All Answers
What will be the effect if I use inverter as UPS mood?
how to find out 3 phase complex power in per unit in unbalanced system?
what will be happen if earth point is being used for as a neutral point for raw power , and same will be used for ups earthing
hello friends..... any one have papers or any study materials?sail ,hpcl...?
hwat type of motor is used in thermal gas turbine hydro nuclear power plants and why
Define reserve-generating capacity?
what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator
Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com
oil cooled transformer
Explain how you decide what size of electrical wire do you need?
can someone explain that how the speed of the protection system affects the fault level calculation?
What is d main advantage of using double circuit 3 phase transmission ?
Do Phase angle measurement have any application in freq/harmonics measurement? If so how?
what happen when power factor of 2 parallely operated transformer become equle?
In a flange coupling, the flange bolts are designed for
