基于牛顿插值的单相整流器功率前馈无差拍控制  

Power Feedback-Forward and Deadbeat Control of Single-Phase Rectifier Based on Newton Interpolation

作　　者：宋智威 熊成林[1] 黄路 刁飞[1] 李辉[1] 杨皓 SONG Zhiwei;XIONG Chenglin;HUANG Lu;DIAO Fei;LI Hui;YANG Hao(School of Electrical Engineering,Southwest Jiaotong University,Chengdu 610031,Sichuan Province,China)

机构地区：[1]西南交通大学电气工程学院

出　　处：《电网技术》2018年第11期3623-3629,共7页Power System Technology

基　　金：国家重点研发计划资助项目(2017YFB1200801-05);教育部中央高校基本科研业务费专项资金资助项目(2682017CX045)~~

摘　　要：针对单相整流器提出了一种基于牛顿插值的功率前馈无差拍控制算法,通过引入功率前馈控制加快系统的动态响应,牛顿插值用于改善无差拍控制算法的电流预测精度;并针对无差拍控制算法对滤波电感比较敏感的特点,提出了一种基于雅可比迭代法的电感在线辨识方案。最后,对所提控制算法与传统无差拍控制算法进行实验对比验证,结果表明了所提算法的正确性和有效性。Power feedback-forward and deadbeat control based on Newton interpolation is proposed for single-phase rectifiers in this paper. Dynamic response of the system is improved by introducing power feed-forward control, and Newton interpolation prediction method is used to improve current prediction accuracy of the deadbeat control algorithm. Aiming at the characteristics that the deadbeat control is sensitive to filter inductance, the online identification of inductance based on Jacobian iteration method is proposed. Finally, the proposed algorithm is compared with traditional deadbeat control algorithm and verified with experiments. Results show that the proposed algorithm is correct and effective.

关 键 词：单相整流器 功率前馈 牛顿插值 无差拍控制 在线电感辨识 

分 类 号：TM721[电气工程—电力系统及自动化]