基于PI调节器的电力系统二级电压控制动态仿真The Power System Secondary Voltage Control Dynamic Simulation Based on PI Controller
赖旬阳,吕旭军,郑彧,叶小晖,刘宏伟
LAI Xunyang,LYU Xujun,ZHENG Yu,YE Xiaohui,LIU Hongwei
摘要(Abstract)：
针对目前电力系统二级电压控制研究尚缺乏中长期建模及仿真手段的问题,根据SVC原理,基于PSD-FDS平台提出了一种二级电压控制的建模方法,分别建立发电机、励磁系统、过励限制器及负荷模型。采用网侧NPI与发电机侧GPI协调,得到无功控制总量,作用于发电机的励磁系统;最后,通过案例仿真,分析了二级电压控制对改善电压质量,协调发电机无功出力的作用。仿真结果有效验证了模型的正确性。
Aiming at the lack of medium and long term modeling and simulation means for secondary voltage control in power system, the paper proposes a modeling method for secondary voltage control based on PSDFDS in line with SVC(secondary voltage control). Firstly, models of generator, excitation system, excitation limiter and load are built separately; coordination of NPI and GPI is adopted to conclude the total reactive power control to act on generator excitation system. At last, the paper analyzes the roles of SVC in improving voltage equality and coordinating the generator reactive power. The simulation results show that the SVC model in this paper is effective.
关键词(KeyWords)：
二级电压控制;发电机励磁;过励限制模型
secondary voltage control;generator excitation;excitation limiter model
基金项目(Foundation):
作者(Author):
赖旬阳,吕旭军,郑彧,叶小晖,刘宏伟
LAI Xunyang,LYU Xujun,ZHENG Yu,YE Xiaohui,LIU Hongwei
DOI: 10.19585/j.zjdl.201804009
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