Computer Based Analysis of Distributed Wind Farms for Reactive Power Management in Sub-Transmission Grids
The transmission system operators (TSOs) started to realize reactive power requirements of sub-transmission grids at their connection points (CPs) where they are connected to transmission grids. In this paper, a proper Q-setting strategy, in other words reactive power management technique, is applied to sub-transmission grids in order to transfer minimum reactive power into transmission grids with nearly minimum losses within a voltage stable grid. The distributed wind farms (WFs) having modV and modQ operations are benefiting from this. The proposed Q-setting strategy is considered as an optimization task with an objective function. This objective function should be built in a way to satisfy the aim of reactive power management. In the end, the applicability of both selected WF operations including modV and modQ is proved within the selected objective function which is to minimize reactive power flows.
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