2025年4月12日 周六
首页 > 过刊浏览>2024年第39卷第2期 >64-73. DOI:10.19781/j.issn.1673-9140.2024.02.008
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考虑灵活性的交直流混联配电网分布鲁棒优化运行
CSTR:
[cstr]
作者:
作者单位:

(1.国网冀北电力有限公司智能配电网中心，河北 秦皇岛 066100;2.华北电力大学电气与电子工程学院，北京 102206)

通讯作者:

李雪晴（1998—），女，硕士研究生，主要从事新能源电力系统及微网的研究；E?mail:Lixueqing0412@163.com

中图分类号:

TM73

基金项目:

国网冀北电力有限公司科技项目(B7014421000Z)


Distributionally robust optimal operation of AC/DC hybrid distribution network considering flexibility evaluation index
Author:
Affiliation:

(1.Smart Grid Center, State Grid Jibei Electric Power Co.,Ltd., Qinhuangdao 066100, China;2.School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China)

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    摘要:

    为适应未来配电网交直流混联的配电方式、应对新能源不确定性带来的运行灵活性调节量不足问题，提出一种考虑灵活性的交直流混联配电网两阶段分布鲁棒优化运行模型。首先，在交直流混联配电网架构下，分析其灵活性资源供需关系，定义上调/下调灵活性裕度指标；其次，综合考虑系统中各类约束，构建描述配电网经济性、新能源消纳性与灵活性的优化运行模型，结合数据驱动生成的风光典型场景，采用基于综合范数距离的分布鲁棒优化方法处理风、光出力不确定性，并根据优化变量的出力特性构建两阶段分布鲁棒优化运行模型；最后，对模型进行凸性转化与求解，通过修改的33节点交直流混联配电网算例验证模型的有效性。

    Abstract:

    To adapt to the future power distribution mode of AC/DC hybrid distribution network and address the lack of operational flexibility adjustment caused by the uncertainty of renewable energy, a two-stage distributionally robust optimization operation model for AC/DC hybrid distribution networks considering flexibility is proposed. Firstly, under the framework of AC/DC hybrid distribution network, the supply and demand relationship of flexible resources is analyzed, and the upward/downward flexibility evaluation index is defined. Secondly, considering various constraints in the system, an optimal operation model describing the economy, renewable energy consumption, and flexibility of the distribution network is constructed. Combined with data-driven typical wind and solar scenarios, a distributionally robust optimization method based on the comprehensive norm distance is adopted to deal with the uncertainty of wind and solar power output. And a two-stage distributionally robust optimization operation model is constructed according to the output characteristics of optimization variables. Finally, convex transformation and solution of the model are carried out, and the validity of the model is verified through a modified 33-node AC/DC hybrid distribution network.

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张振强,王宏波,赵 阳,等.考虑灵活性的交直流混联配电网分布鲁棒优化运行[J].电力科学与技术学报,2024,39(2):64-73.
ZHANG Zhenqiang, WANG Hongbo, ZHAO Yang, et al. Distributionally robust optimal operation of AC/DC hybrid distribution network considering flexibility evaluation index[J]. Journal of Electric Power Science and Technology,2024,39(2):64-73.

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