计及有功–无功功率协调控制的2层微电网优化调度模型  

Bi-level Microgrid Optimal Dispatching Model Considering Active-reactive Power Coordinated Control

作　　者：孙浩[1] 姚鹏 张磊 张竣淇 汪隆君[3] 

机构地区：[1]中国能源建设集团广东省电力设计研究院有限公司,广州510663 [2]广东电网有限责任公司,广州510620 [3]华南理工大学电力学院,广州510640

出　　处：《高电压技术》2015年第10期3249-3255,共7页High Voltage Engineering

基　　金：国家自然科学基金(51307063);国家"十二五"科技支撑计划(2013BAA01B02);教育部高等学校博士学科点专项科研基金(20120172120042)~~

摘　　要：为协调微电网内不同种类的微源、缓解风电和光电的波动性给微电网调度所带来的干扰,提出了1种计及有功–无功协调控制的2层微电网优化调度模型。该模型的第1层为日前调度计划模型,求解以发电费用最小为目标的混合整数非线性规划模型,获得系统运行的参考值;第2层为实时调度控制模型,基于线性规划的交叉迭代方法求解,实现有功–无功功率的协调控制,保证微电网功率平衡。通过算例验证所提模型及方法,结果表明:实时调度控制能有效降低日前调度计划无法精确考虑的不确定因素的干扰,适用于微源出力和负荷大幅波动的情况,且系统电压不会剧烈变化。In order to coordinate different kinds of micro-source and conciliate the disturbances ofmicrogrid dispatching, due to power fluctuation of wind-electricity and solar-electricity, a bi-level optimal dispatching model considering ac- tive-reactive power coordinated control is established. The first level of the model is for day-ahead schedule, which minimizes generation production cost to decide reference values of the system operation; the second level is for real-time control, employing a crossed iterative algorithm for linear programming to achieve active-reactive power coordinated control and to grantee power balance in the microgrid. A case is used to verify the proposed model and its solution. The numerical results demonstrate that the real-time control is able to decrease disturbances of the uncertainties which are not accurately considered in day-ahead schedule, and is suitable for the case of high power volatility, when voltage amplitude will not shift dramatically.

关 键 词：微电网 2层规划 优化调度模型 有功–无功协调控制 日前调度计划 实时调度控制 

分 类 号：TM73[电气工程—电力系统及自动化]