Abstract
This paper presents a systematic methodology to allocate reactive power devices in a power system. This is achieved through the application of an active set analysis based linear programming technique. The procedure takes into consideration outages which cause voltage problems and also existing reactive power controllers are fully utilized before any new reactive power devices are added. Linearized sensitivity relationships of the power system are used to obtain an objective function for minimizing the cost of installation. The constraints include the limits on dependent variables (reactive power of the generators, load bus voltages) and control variables (generator voltages, tap positions, switchable reactive power sources). The methodology is demonstrated by two power system examples.
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