考虑风电随机性的电力系统厂/网双层分解协调经济调度方法A Bi-level Decomposition and Coordination Economic Dispatch Method for Power Plants/Network Considering Stochastic Wind Generation
赵文猛;刘明波;朱建全;
摘要(Abstract):
针对大规模风电接入给省级电网带来的挑战,提出一种考虑风电随机性和网络安全约束的厂/网双层分解协调经济调度方法。上层以电网的安全经济运行为目标,决策变量是各个电厂的出力和弃风量,交替求解主问题和误差场景子问题,以确保使全网运行费用最小和电网有足够的能力去应对风电的随机性;下层求解电厂子问题,以电厂内机组的经济运行为目标,决策变量为各个机组的出力。采用Benders分解算法求解上述模型,产生2种最优切割以近似误差场景子问题和电厂子问题。通过对含3个风电场的某省级电网的计算,验证了所提方法的有效性。
关键词(KeyWords): 随机风电;动态经济调度;网络安全约束;厂/网双层模型;Benders分解算法
基金项目(Foundation): 国家重点基础研究发展规划项目(973计划)(2013CB228205)~~
作者(Author): 赵文猛;刘明波;朱建全;
Email:
DOI: 10.13335/j.1000-3673.pst.2015.07.013
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