Fault recovery and network reconfiguration in distribution systems are critical tasks for ensuring the secure and stable operation of power networks. Traditional optimization approaches are often limited by a trade-off between solution accuracy and computational efficiency when addressing this problem. To overcome these limitations, a hybrid algorithm integrating QAOA (quantum approximate optimization algorithm) with ADMM (alternating direction method of multipliers) was proposed. By combining the advantages of quantum computing and classical optimization techniques, both the efficiency and accuracy of the fault recovery and reconfiguration process were enhanced. QAOA was employed to accelerate the global search for optimal solutions through quantum parallelism, while ADMM was utilized to efficiently handle large-scale constrained optimization. The proposed algorithm were applied to the IEEE 33-bus and 69-bus distribution systems, achieving total cost reductions of 40.39% and 50.82%, respectively, under two test scenarios. Comparative experiments with conventional algorithms demonstrate the superior solution accuracy and global search capability of the proposed method, indicating its effectiveness as a novel solution framework for distribution network fault recovery and reconfiguration problems.
WANG Bao-nan, ZHANG An-bang, ZHANG Wei-na, XUE Mei, ZHANG Dan.
Reconstruction of Distribution Network Fault Recovery Based on Quantum Approximate Optimisation Algorithm[J].
Science Technology and Engineering, 2026, 26(18): 7720-7729 DOI:10.12404/j.issn.1671-1815.2504101
因此,为了进一步提升求解性能,现提出一种基于量子近似优化算法(quantum approximate optimization algorithm, QAOA)和交替方向乘子法(alternating direction method of multipliers, ADMM)相结合的新型混合量子-经典优化方法(QAOA-ADMM)。将QAOA引入配电网故障恢复重构问题,并与ADMM进行协同求解,对于探索量子计算在电力系统组合优化问题中的应用具有重要研究意义。
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