How can we calculate the power factor of an electrical
appliance ?
Is there any formula ? Is there any meter around to
calculate it ? And how to use that meter ? thanks
- 2 Answers
- 5761 Views
- Essar, Philips, I also Faced
- E-Mail Answers
Answer Posted / k.prakashchandra
Pf =KW/KVA.There are meters to measure all the three.
| Is This Answer Correct ? | 7 Yes | 0 No |
Post New Answer View All Answers
In case of HV test on medium voltage cables, BS is asking for 4 U0 where as IEC is asking for 3.5 U0. Can any one advise me how this 3.5 times or 4 times U0 is derived?
hey guys i scored 910 on GRE and 67 on TOEFL respectively.I have an aggregate of about 74%in my B tech.For which colleges should i apply for an MS program in electrical engineering.I am looking for colleges in NJ,SC,NC,GEORGIA, NY. Please reply with a good response.....
sir plz send some previous year questions of jspl.
Define conversion efficiency of a power amplifier.
HOW DOES THE ELECTRONIC ENERGY METER WORKS?
How to Decide(calculate) Bush bar size for copper and aluminiam ?
what is RFCT and Insulgard Relay & It's function?
Mention how NPN and PNP transistor works?
I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?
What is the diff. between single compression and double compression gland
TCS IS IT COMPANY THEN WHY DO THEY NEED ELECTRICAL &ELECTRONICS ENGINEERS?
Is it required to lay 2 runs of GI wires along with armoured cables from one power DB Machines of higher rating?
what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?
why 1.7Uo for HV cable Hi pot test?IE standard why?
What is the fault or needs to be done when frequency in ac drives is not changing?
