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Algorithms for incorporating reactive power into market dispatch

机译:将无功功率纳入市场调度的算法

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This paper proposes some methods for incorporating reactive power dispatch into nodal pricing and dispatch algorithms in pool-based electricity markets. The current approach of dispatching real power using a simplified power flow model and subsequently allocating reactive power as an ancillary service has the problem of getting suboptimal and some times infeasible solutions. However the complete a.c. power flow formulation can lead to problems, due to non-convexity and resource limitations. This paper proposes an improvement to the standard decoupled linear formulation approach. In the proposed method real power is dispatched first and then reactive power is dispatched allowing small changes to real power dispatch. The results of case studies show that this method gives similar results to the full non-linear solution for real and reactive power dispatch and prices.
机译:本文提出了一些将无功调度纳入基于节点的电力市场的节点定价和调度算法的方法。当前使用简化的潮流模型分配有功功率并随后将无功功率分配为辅助服务的方法存在以下问题:解决方案不够理想,有时甚至是不可行的。但是完整的交流由于非凸性和资源限制,潮流公式化可能导致问题。本文提出了对标准解耦线性公式化方法的改进。在提出的方法中,首先分配有功功率,然后分配无功功率,从而允许对有功功率分配进行较小的更改。案例研究结果表明,该方法与有功和无功功率分配和价格的完全非线性解决方案提供了相似的结果。

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