基于SOP的多微网配电网网络约束交互控制
Network-Constrained Transactive Control for Multi- Microgrids-based Distribution Networks with SOPs
摘要：
与大多数仅关注经济性的交互控制研究不同，本文提出了一种新的网络约束交互控制（NTC）框架，该框架可以解决基于多微网的配电网在考虑不确定性时的经济性和安全性问题。特别是，我们创新地将交易能源市场与新型电力电子设备（即，软开点）的交流潮流调节技术，以提高单个微网的经济效益，同时保证整个配电网的安全。在这个框架中，一个动态的两个时标NTC模型，包括慢时标预调度和实时调度阶段制定工作对多个系统的不确定性。此外，通过KKT条件、对偶、线性化和松弛技术将原双层博弈问题转化为单层混合整数二阶锥规划问题，避免了过渡方法的迭代，从而提高了计算效率.最后，在一个含有3个MG的33节点测试系统上进行了数值模拟，验证了所提框架的有效性。
英文摘要：
Different from most transactive control studies only focusing on economic aspect, this paper develops a novel network-constrained transactive control (NTC) framework that can address both economic and secure issues for a multi-microgrids-based distribution network considering uncertainties. In particular, we innovatively integrate a transactive energy market with the novel power-electronics device (i.e., soft open point) based AC power flow regulation technique to improve economic benefits for individual microgrids and meanwhile ensure the security of the entire distribution network. In this framework, a dynamic two-timescale NTC model consisting of slow-timescale pre-scheduling and real-time scheduling stages is formulated to work against multiple system uncertainties. Moreover, the original bilevel game problems are transformed into single-level mixed-integer second-order cone programming problems through KKT conditions, duality, linearization and relaxation techniques to avoid iterations of transitional methods, so as to improve computational efficiency. Finally, numerical simulations on a modified 33-bus test system with 3 MGs verify the effectiveness of the proposed framework.
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