what do you mean by mf of energy meter & its formula?
Answers were Sorted based on User's Feedback
Answer / sagar parmar (getco)
this one is the correct formula, sorry for previous mistake
Multiplying Factor = (yard CT Ratio x yard PT ratio)/(Meter
CT Ratio x Meter PT Ratio)
Is This Answer Correct ? | 45 Yes | 4 No |
MF means the Multiplying factor.
Its nothing but the CT ration . as a big amount of the
current to be measured So direct Metering is not possible
hence CT operated meter is used
Formula :- if the CT ratio is 60/5 then metered reading
should be multiply by 12 which give the exact Power usage
Is This Answer Correct ? | 28 Yes | 8 No |
Answer / sagar parmar (getco)
Multiplying Factor = (yard CT Ratio x yard PT ratio)/(Meter
CT Ratio x Yard PT Ratio)
Is This Answer Correct ? | 14 Yes | 6 No |
what are the 4 rules to start the motor?
Do I need a special Transformer to put 240 VAC 3 phase into it and and get 480 VAC 3 phase out of it to run a machine? Or, do I just use an ordinary step down transformer and step up the voltage? Thanks
how rating of transformer is selected for any new plant/what kind of load is cosidered/what kind of fadtors are considered/ pz give standard procedure
sir please send me previous year questions of jspl through which i could prepare myself fpr the test.
64 Answers FGH, HFT, Jindal, Jindal Steel and Power, JSP, JSW, Lin Engineering,
explain working principle of earth leakage relay
0 Answers Divis Laboratories, SMIORE,
tan delta equation test on alternators
How can we get d.c series motor characteristics by using a.c induction motor?
In case you don't have coal and salt for earthing, how can you achieve good temporary earthing?
1 Answers Focus Energy, NHPC, ONGC,
what is slip ring induction motor? How it works?
What are the protection required for Transformer, motor, Line, Generator, capacitor, that all i have to refer which standard?(Like Transformer detail IS 2026)
deisel generators all elcetical calculation formule's
FEINGING DECREASES THE FLUX DENSITY IN THE AIR GAP. HOW?