A 1.8km distribution line has an impedance of 0.28 +j0.5 ohms/km. other information of this power...
A 1.8km distribution line has an impedance of 0.28 +j0.5 ohms/km. other information of this power system are:
Load factor =0.65 ; Load voltage =2.2kV
Empirical constant for estimating power losses of line =0.15
All loads are connected at the end of the line and are balanced
Line current at peak load = 850A; Power factor at peak load =0.76
Electricity energy charge is $0.25/kWh; there is no demand charge
Reactive power surcharge of $0.008/kVarh in excess of 62% of kWh
consumption applies to consumers
a) Calculate the average demand in KW
B) Calculate the average power losses in the line.
c)How much can the utility save in $ per year if the power
factor at peak load is corrected from 0.76 to 0.9? Assume the load
factor remains unchanged.
Help A,B,C
Homework Answers
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A 1.8km distribution line has an impedance of 0.28 +j0.5
ohms/km. other information of this power...
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Can you help me calculating this question? Thank you.
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