Self-adaptive system islanding refers to the separation of an interconnected power system into electrically isolated islands automatically based on the identification of unstable mode. A fast searching algorithm for self-adaptive power system islanding
called multilevel reduced graph partitioning algorithm(MLRGPA)
is presented to make the generation load imbalance in each island as small as possible. A reasonable islanding strategy of power system is proposed
and a C++ program is developed to realize the algorithm. The islanding program is verified with the simulations for a practical 212-bus power system. It takes only 20 ms to get a reasonable islanding strategy on an ordinary PC to satisfy the rate requirement of self-adaptive system islanding.
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