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Development of a Fuzzy Rule-Based Multi-Objective Hybrid Controller for Static Synchronous Compensator

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Static synchronous compensator (Statcom) is a powerful new device for power systems, which can be used for various purposes. The multi-objective demands are quite different in nature, e.g. continuous linear control for voltage maintaining, and discrete bang-bang control for oscillation damping. Unfortunately, they often conflict with each other. In this respect, a supplementary damping control together with an independent voltage control is normally used. However, inevitable small disturbance and uncertainties will cause problems in the coordination of the two functions. To overcome such difficulties, a fuzzy rule-based hybrid controller is proposed in this paper, which incorporates conventional linear voltage control along with the fuzzy rule-based supplementary power damping control to form a unified global controller for Statcom. Because only simple fuzzy rules and a few input signals are involved, it is very easy to implement in a practical power system. The simulation performed on a Single- Machine-Infinite-Bus (SMIB) power system and an actual large power system demonstrates the effectiveness of the proposed approach.

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Jianye, C., Song, Y., Stonham, T. et al. Development of a Fuzzy Rule-Based Multi-Objective Hybrid Controller for Static Synchronous Compensator. NCA 9, 29–37 (2000). https://doi.org/10.1007/s005210070032

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  • DOI: https://doi.org/10.1007/s005210070032

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