a) b) c) A load of 25 MW, with power factor 0.8 lagging, is supplied at a voltage level of 11 kV. The impedance of the line between the point of common coupling (PCC) and the load connection point is Z = (0.5+j0.9) 2. Power factor of the load is further improved to 1 (unity power factor operation) by adding the reactive power compensator at the load connection point. Calculate the load current and the impedance drop before power factor compensation, as well as the voltage at the PCC. Determine the load current and impedance drop after power factor correction, as well as the voltage at the PCC. Find the voltage drop for parts a) and b) above, as well as the corresponding power factor at the PCC.

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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QB.1
a)
b)
c)
A load of 25 MW, with power factor 0.8 lagging, is supplied
at a voltage level of 11 kV. The impedance of the line
between the point of common coupling (PCC) and the load
connection point is Z = (0.5+j0.9) 2. Power factor of the load
is further improved to 1 (unity power factor operation) by
adding the reactive power compensator at the load
connection point.
Calculate the load current and the impedance drop before
power factor compensation, as well as the voltage at the
PCC.
Determine the load current and impedance drop after power
factor correction, as well as the voltage at the PCC.
Find the voltage drop for parts a) and b) above, as well as
the corresponding power factor at the PCC.
Transcribed Image Text:QB.1 a) b) c) A load of 25 MW, with power factor 0.8 lagging, is supplied at a voltage level of 11 kV. The impedance of the line between the point of common coupling (PCC) and the load connection point is Z = (0.5+j0.9) 2. Power factor of the load is further improved to 1 (unity power factor operation) by adding the reactive power compensator at the load connection point. Calculate the load current and the impedance drop before power factor compensation, as well as the voltage at the PCC. Determine the load current and impedance drop after power factor correction, as well as the voltage at the PCC. Find the voltage drop for parts a) and b) above, as well as the corresponding power factor at the PCC.
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