
强电磁技术全国重点实验室华中科技大学 电气与电子工程学院,湖北,武汉,430074
Published:2025
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沈祎淳,彭弘毅,晏鸣宇.高比例新能源接入的交直流混联配电系统分散协同调度方法[J].智慧电力,2025,53(10):36-43.
SHEN Yichun, PENG Hongyi, YAN Mingyu. Decentralized Cooperative Dispatch Method for AC/DC Hybrid Distribution Systems with High Penetration of Renewable Energy[J]. 2025, 53(10): 36-43.
沈祎淳,彭弘毅,晏鸣宇.高比例新能源接入的交直流混联配电系统分散协同调度方法[J].智慧电力,2025,53(10):36-43. DOI: 10.20204/j.sp.2025.10006.
SHEN Yichun, PENG Hongyi, YAN Mingyu. Decentralized Cooperative Dispatch Method for AC/DC Hybrid Distribution Systems with High Penetration of Renewable Energy[J]. 2025, 53(10): 36-43. DOI: 10.20204/j.sp.2025.10006.
针对高比例新能源接入的交直流混联配电系统最优化调度问题,提出一种交直流混联配电系统分布式风险鲁棒备用优化运行的调度方法。首先,构建了交直流混联配电系统两阶段风险鲁棒优化模型,通过引入线性化风险函数刻画新能源出力的不确定性,克服传统区间鲁棒优化方法的保守性,并将优化问题分解为送端与受端2个子问题。其次,提出一种改进的交替方向乘子法,通过送段与受端子问题中换流器功率的迭代替换,并结合原-对偶残差惩罚因子自适应更新,在满足收敛条件时实现计及鲁棒备用的最优调度方案。最后,在2区域12节点和2区域66节点交直流混联配电系统上进行仿真验证。结果表明,所提方法在提升计算性能的同时,显著减少了计算时间。
To address the optimal dispatch problem in AC/DC hybrid distribution systems with high penetration of renewable energy,a distributed risk-robust reserve optimization method is proposed. First,a two-stage risk-robust optimization model is established for the AC/DC hybrid distribution system. By introducing a linearized risk function to characterize the uncertainty of renewable energy generation,the conservativeness of traditional interval-based robust optimization methods is overcome. The optimization problem is decomposed into two subproblems: the sending-end and the receiving-end. Next,an improved alternating direction method of multipliers is proposed,which involves the iterative exchange of converter power in the sending-end and receiving-end subproblems. Combined with an adaptive update strategy for primal-dual residual penalty factors,an optimal dispatch scheme considering robust reserve is achieved when convergence conditions are met. Finally,simulations are conducted on a two-area 12-node and a two-area 66-node AC/DC hybrid distribution system. The results demonstrate that the proposed method improves computational performance while significantly reducing computation time.
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