We have one Energy meter for Measuring the
voltage,current,power,energy(KWH,KVARH,KVAH) & power
factor.The problem is that the meter does not show whether
the PF is lagging or leading.So i want to know that is
there any way or calculation to find out that whether the
PF sign (lagging or leading) depending upon the above
mentioned parameters?
Answer Posted / ashwini
by using formula p=vicos(pf) v can calculate power factor......
| Is This Answer Correct ? | 1 Yes | 9 No |
Post New Answer View All Answers
PAC and simple Ac different
Inductor and capacitor........power in one phase and ...... in it another phase.
explain the types of drives
how oti and wti connections are different from each other?
what is the difference between megger and earth resister ??
I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com
CAN ANYBODY PLEASE TELL ME HOW TO DESIGN A SERIES REACTOR FOR LIMITING SHORT CIRCUIT FAULT CURRENT??
What are the advantages & disadvantages of a group electrive drive?
Hoe do calculate the Cable size for Amps rating ?
A car's starter motor draws a current of 100 A at 12,0 V when starting the engine. The mechanical power required to turn the engine is 960 W. At what rate is energy from the battery converted to non-mechanical forms of energy?
how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc
A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????
in Telecom DC system-why positive +ve is made earthed.and - ve is fed to load.
What is the type of earth fault protection used in battery? explain.
why 5kW motor becomes unbalance if its relay trip 1st time and its set value is 7.0 A