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Simplified reactive power management strategy for complex power grids under stochastic operation and incomplete information

机译：随机运行和信息不完全的复杂电网的无功简化管理策略

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摘要

In the current released energy market, the large-scale complex transmission networks and the distribution ones with dispersed energy sources and "intelligent" components operate under uncertainties, stochastic and prior incomplete information. A safe and reliable operation of such complex power grids is a major issue for system operators. Under these circumstances an online reactive power management strategy with minimum risk concerning all uncertain and stochastic parameters is proposed. Therefore, new concepts such as reactive power-weighted node-to-node linking and reactive power control capability are introduced. A distributed and interconnected stochastic learning automata system is implemented to manage, in a unified and unique way, the reactive power in complex power grids with stochastic reactive power demand and detect the vulnerable part. The proposed simplified strategy can also consider more stochastic aspects such as variable grid's topology. Results of the proposed strategy obtained on the networks of IEEE 30-bus and IEEE 118-bus systems demonstrate the effectiveness of the proposed strategy.
机译：在当前释放的能源市场中，大规模的复杂传输网络以及具有分散的能源和“智能”组件的配电网络在不确定性，随机和先验不完全信息的情况下运行。这样复杂的电网的安全可靠运行是系统运营商的主要问题。在这种情况下，提出了一种在线无功功率管理策略，该策略对所有不确定和随机参数的风险最小。因此，引入了诸如无功功率加权的节点到节点链接和无功功率控制能力之类的新概念。实现了分布式互连的随机学习自动机系统，以统一，独特的方式管理具有随机无功需求的复杂电网中的无功，并检测出易损部分。提出的简化策略还可以考虑更多随机方面，例如可变网格的拓扑。在IEEE 30总线和IEEE 118总线系统的网络上获得的所提出策略的结果证明了所提出策略的有效性。

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