设备月度检修计划给定下的电网运行方式优化方法

崔晓丹; 李碧君; 李威; 方勇杰; 王正风; 张源

引用本文:	崔晓丹,李碧君,李威,等.设备月度检修计划给定下的电网运行方式优化方法[J].电力系统保护与控制,2016,44(9):102-107.
	CUI Xiaodan,LI Bijun,LI Wei,et al.Operation mode optimization method of power grid with equipment monthly maintenance planning[J].Power System Protection and Control,2016,44(9):102-107

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设备月度检修计划给定下的电网运行方式优化方法
崔晓丹^1,2, 李碧君¹, 李威¹, 方勇杰^1,2, 王正风³, 张源⁴
1.国电南瑞科技股份有限公司，江苏南京 211106;2.中国电力科学研究院，北京 100192;3.国网安徽省电力公司，安徽合肥 230061;4.河海大学能源与电气学院，江苏南京 211100

摘要:

为了提升设备计划下电网运行方式的合理性，给出了输变电设备月度检修计划给定下电网运行方式优化方法。将主问题分解为计及电力电量平衡的发电、负荷分配和提高计划方式合理性的有功潮流调整两个子问题。在发电和负荷分配问题中计及了历史同期负荷变化规律、系统旋转备用、网损等因素；在提高方式合理性的调整中，基于综合灵敏度指标迭代调整，分阶段考虑了基态潮流收敛性、N-1开断下的静态安全性、N-1故障下的暂态功角稳定性约束。通过对综合问题进行分解和分步实施，得到输变电设备检修计划下满足工程合理性的电网运行方式，并降低了求解难度。基于实际电网的算例验证了所提方法的有效性。

关键词: 输变电设备月度检修计划运行方式优化暂态稳定约束综合灵敏度指标

DOI：10.7667/PSPC151093

分类号:

基金项目:国家电网公司科技项目“计及电网安全稳定性的输变电设备风险评估与运维管理决策技术研究与应用”

Operation mode optimization method of power grid with equipment monthly maintenance planning

CUI Xiaodan^1,2, LI Bijun¹, LI Wei¹, FANG Yongjie^1,2, WANG Zhengfeng³, ZHANG Yuan⁴

1.NARI Technology Co., Ltd., Nanjing 211106, China;2.China Electric Power Research Institute, Beijing 100192, China;3.State Grid Anhui Electric Power Company, Hefei 230061, China;4.College of Energy and Electric Engineering,Hohai University, Nanjing 211100, China

Abstract:

To improve the rationality of operation mode of power grid with equipment maintenance plan, the optimization method with monthly maintenance plan of power transmission and transformation equipment is proposed. The problem is divided into two parts. One is generation and load sharing based on the balanced power capacity. The other is adjusting the active power flow by improving the rationality of the schedule. The problem of generation and load sharing includes the historical period load pattern, spare capacity of the generator, and transmission loss, etc. In the problem of adjusting the improvement of the rationality of the method, based on the iterative adjustment of the comprehensive sensitive index, the trend of convergence of the basic state, the static safety of the switching of N-1, stability constraint of the transient angle during N-1 fault are considered. By exploring the comprehensive problem and implementing it step by step, this paper gets the power grid operation mode which meets the engineering rationality under transmission and transformation maintenance plan and reduces the difficulty to solve the problem. The case based on the real power system verifies the proposed method.

Key words: transmission and transformation equipment monthly maintenance planning operation mode optimization transient stability constraint comprehensive sensitivity index

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