优化动态电压控制以提高光伏电源准入容量的研究  

Research on Optimizing Dynamic Voltage Control to Improve the Access Capacity of PhotovoltaicPower Supply

作　　者：朱勇 陶用伟 王常沛 李泽群 杨键 黄琼 ZHU Yong;TAO Yongwei;WANG Changpei;LI Zequn;YANG Jian;HUANG Qiong(Kaili Power Supply Bureau of Guizhou Power Grid Co.,Ltd.,Kaili 556000,China)

机构地区：[1]贵州电网有限责任公司凯里供电局,贵州凯里556000

出　　处：《供用电》2020年第9期70-77,共8页Distribution & Utilization

基　　金：中国南方电网有限责任公司科技项目资助“基于态势感知及人工智能深度学的电网无功电压控制策略及新型智能控制架构研究”(060800KK52180011)。

摘　　要：光伏电站高渗透率情况下,分布式配电系统存在动态电压变化过大的问题。为保证电网的安全性,光伏的最大准入容量会受到相应的限制。动态特性是影响光伏准入容量的最主要因素,通过移动云层模型分析了光伏电源输出电压的动态特性,提出了旨在优化动态电压控制并增加中低压电网光伏电源接入容量的一种STATCOM的快速响应控制器的设计,可有效提高光伏电源的最大准入容量。仿真实验结果验证了该方法的有效性。Due to the high penetration rate of photovoltaic power sources,the dynamic voltage variation of distributed distribution system is too large.In order to ensure the security of power grid,the maximum access capacity of photovoltaic will be limited.The dynamic characteristic is the most important factor affecting the access capacity of photovoltaic power supply.The dynamic characteristics of the output voltage of photovoltaic power supply are analyzed through the mobile cloud model.The design of a fast response controller of STATCOM is proposed to optimize the dynamic voltage control and increase the access capacity of photovoltaic power supply in medium and low voltage power grid,which can effectively improve the maximum access capacity of photovoltaic power supply.Simulation results prove the effectiveness of the method.

关 键 词：配电网 动态电压调节 准入容量 无功功率控制 光伏能源 

分 类 号：TM715[电气工程—电力系统及自动化]