摘要
针对三相四线制静止无功发生器在传统控制方法上存在的缺陷,提出一种自适应PI双闭环控制方法.通过dq0坐标变换完成电压平方外环控制,实现对直流侧电容电压的稳压与均压控制.通过帕克变换完成电流内环控制器的设计,引入自适应PI控制,进行系统仿真,搭建实验验证系统.研究结果表明:自适应PI双闭环控制算法是有效的,提高了直流电压跟踪能力,使系统具有稳定性好、响应实时性好、抗负载扰动能力强等优点.
For defects of traditional control methods in the three phase four wire Static Var Generator（SVG）, an adaptive PI double closed loop control method was proposed, the voltage square outer loop controller was realized based on the dq0 coordinates transformation, and the DC capacitor voltage regulation and balance control was achieved. The design of current loop controller was completed based on the Parke transformation, and introduced the adaptive PI control. The system simulation was conducted, the experiment was built and the system was verified. The simulation and experimental results show that the effectiveness of the adaptive PI double closed loop control algorithm is verified, and the tracking ability of the DC voltage is improved, so the system has the advantages of good stability, and real-time response with strong disturbance ability.
出处
《辽宁工程技术大学学报（自然科学版）》
CAS
北大核心
2016年第4期434-439,共6页
Journal of Liaoning Technical University (Natural Science)
基金
辽宁工程技术大学市场调研基金项目(SCDY2013030)
