基于负荷监测系统的配电网区间潮流计算Interval Power Flow Calculation of Distribution Network based on Load Monitoring System
傅晓飞,刘自超,廖天明,陆如
FU Xiaofei,LIU Zichao,LIAO Tianming,LU Ru
摘要(Abstract):
负荷监测系统和电能量采集系统是上海地区各供电公司近年来新装的用于监视和分析地区配电设备和配电设备负荷情况的重要监视系统。在负荷监测系统所采集配变负荷数据的基础上,计及系统所采集数据的误差,基于区间数理论对负荷进行不确定性建模并进行区间潮流计算,提出基于蒙特卡洛模拟法的配电网区间潮流计算方法。使用该方法能求得区间不确定信息下的网络状态和关键指标的区间分布,为配电网的运行和管理提供重要参考。以上海某地区某条实际10 kV馈线为例进行计算,计算结果验证了该方法的正确性和有效性。
Load monitoring system and electric energy collection are important monitoring systems installed in power supply companies in Shanghai in recent years for monitoring and analyzing the load situation of distribution equipment. Based on the load data of distribution transformer collected by the load monitoring system and in consideration of error of the data collected by the system, load uncertainty is modeled and interval power flow is calculated by interval number theory. In addition, an interval power flow calculation method of distribution network based on Monte Carlo Simulation is proposed. The method can obtain the interval distribution of the network state and the key index of the uncertain interval information, providing important reference to the operation and management of the distribution network. The correctness and effectiveness of this method is verified by the example of a 10 kV feeder in Shanghai.
关键词(KeyWords):
负荷监测系统;区间数;潮流计算;配电网
load monitoring system;interval number;power flow calculation;distribution network
基金项目(Foundation): 国家自然科学基金项目(51307104)
作者(Author):
傅晓飞,刘自超,廖天明,陆如
FU Xiaofei,LIU Zichao,LIAO Tianming,LU Ru
DOI: 10.19585/j.zjdl.201704002
参考文献(References):
- [1]颜伟,刘方,王官洁,等.辐射型网络潮流的分层前推回代算法[J].中国电机工程学报,2003,23(8):77-81.
- [2]姚雷.配电网负荷监测系统的设计及在低压电网中的应用[J].工业控制计算机,2009,22(8):21-22.
- [3]张弛.新型杆上变压器负荷监测系统及其应用[J].供用电,2010,27(3):30-35.
- [4]胡泽春,王锡凡,张显,等.考虑线路故障的随机潮流[J].中国电机工程学报,2005,25(24):26-33.
- [5]高赐威,程浩忠,王旭.考虑场景发生概率的柔性约束电网规划模型[J].中国电机工程学报,2004,24(11):34-38.
- [6]张焰.电网规划中的模糊可靠性评估方法[J].中国电机工程学报,2000,20(11):77-80.
- [7]张焰,陈章潮.电网规划中的模糊潮流计算[J].电力系统自动化,1998,22(3):20-22.
- [8]张焰,陈章潮.计及不确定性的模糊交流潮流计算方法研究[J].电网技术,1998,22(2):20-25.
- [9]WANG ZIAN,ALVARADO F L.Interval arithmetic in power flow analysis.IEEE Transactions on Power Systems[J].1992,7(3):1341-1349.
- [10]王守相,武志峰,王成山.计及不确定性的电力系统直流潮流的区间算法[J].电力系统自动化,2007,31(5):18-23.
- [11]张永伍,余贻鑫,严雪飞.基于区间算法和范例学习的配电网网架规划[J].电力系统自动化,2005,29(17):40-44.
- [12]董建达.一种管理友好型配电网相量量测单元优化配置模型[J].浙江电力,2016,35(7):8-11.
- [13]陈耀君,朱群,姚建华,等.基于配电网设备信息系统的Web GIS技术改进研究[J].浙江电力,2016,35(3):57-60.