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中文摘要：
针对大规模电力系统无功优化计算速度慢的问题,采用多区域并行计算是一种有效的解决方法.基于Ward等值技术对多区域无功优化分解协调算法做进一步的改进和补充,通过建立等值分区的无功优化并行计算模型,对其等值分区并行计算的实现原理进行了总结分析,提出适合基于Ward等值技术的多区域无功优化并行协调计算模式和计算流程,并采用Matlab并行计算平台实现无功优化并行计算.以IEEE 39节点、某538节点实际系统和某695节点实际系统为算例,通过与集中优化方法进行比较,验证了所提方法的有效性.
英文摘要：
As for the problem that reactive power optimization computing speed are slow for large-scale power systems, multi-area parallel calculation is an effective solution. Based on Ward equivalent technique, this paper supplements and improves the decomposition and coordination algorithm for multi-area reactive power optimization. The reactive power optimization parallel calculation model of equivalent partition is established, and the implementation principle of parallel calculation based on Ward equivalent partition is summarized and analyzed. Then, the parallel coordination calculation mode and parallel calculation flow, which are suitable for multi-area reactive power optimization based on Ward equivalent technique, are given. The reactive power parallel optimization calculation is implemented by using Matlab parallel computing platform. Finally, testing results on IEEE 39-bus, real 538-bus systems and real 695-bus systems validate the correctness and effectiveness of the proposed algorithm in comparison with the centralized optimization method.
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