改进型比例谐振控制器在船用岸电中的仿真与工程应用  

Simulation and engineering application of the improved proportional resonant controller in shore power supply

作　　者：吉兴全[1] 孙海峰[1] 张波[1] 訾振宁 贲宝强 

机构地区：[1]山东科技大学电气与自动化工程学院,山东青岛266590 [2]中电普瑞科技有限公司,北京100192

出　　处：《电测与仪表》2016年第16期102-108,共7页Electrical Measurement & Instrumentation

基　　金：山东省科技发展计划资助项目(2012G0020503)

摘　　要：为解决传统的船用变频电源所存在的不能无差跟踪正弦信号以及谐波控制效果不佳的问题,结合比例谐振控制器的特性,提出一种基于PI结合改进型比例谐振控制的空间矢量脉宽调制控制方法。通过PR控制器可以对特定频率下的交流指令进行无静差跟踪,将传统矢量控制下的有功和无功电流分量转换到静止坐标系下,避免了繁琐的计算。基于PSCAD/EMTDC的数字仿真表明,相比于传统的PI控制,此方法谐波含量较小,电压畸变率明显降低。现场示范工程试验进一步验证了该方法的可行性。For traditional marine inverter, free tracking of sinusoidal signal without static error is difficult, and the harmonic control effect is poor. For this reason, this paper presents a space vector pulse width modulation control strategy based on PI and the improved proportional resonant control. The PR controller can track the alternating signal without static error under the specific frequency, and then, the active and reactive current components under the tradi- tional vector control are converted to the static coordinate system without tedious calculation. Simulation results based on PSCAD/EMTDC show that the proposed method can reduce the harmonic factor and the voltage distortion rate obvi- ously compared to the traditional PI control. The feasibility of the proposed method is verified by the experiment of a demonstration project.

关 键 词：船用岸电 双频电源 PR控制 SVPWM PSCAD建模 

分 类 号：TM464[电气工程—电器]