The merits of line with series capacitor compensation can be
illustrated by computing power transfer where transmission
angle δ is a variable and calculating load bus voltage (VB)
where the load is a variable. This gives a graphical
visualization in figure 4. To illustrate further the benefits of
series capacitor compensation, consider a given power
transfer, Po shown in figure 4. The power transfer Po in the
compensated line is further away from steady state maximum
power transfer capacity, which indicates increased angular and
voltage stability margins for the same power transfer level
[9], [10]. The use of series capacitors also allows increased
power transfer for the same transmission angles δo and
enhances the voltage profile of the line. Since, series
capacitors compensate the inductive reactance of the line,
reactive transmission line losses are significantly reduced