|本期目录/Table of Contents|

[1]刘博,贲洪奇,孟涛. z源PWM整流器直流侧控制策略的研究[J].电机与控制学报,2015,19(01):16-21.[doi:10. 15938/j. emc.2015.01.003]
 LIU BoBEN Hong-qiMENG Tao. Research of Z-Source PWM rectifier’s DC side control strategy[J].,2015,19(01):16-21.[doi:10. 15938/j. emc.2015.01.003]
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 z源PWM整流器直流侧控制策略的研究(PDF)
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
19
期数:
2015年01
页码:
16-21
栏目:
出版日期:
2015-01-15

文章信息/Info

Title:
 Research of Z-Source PWM rectifier’s DC side control strategy
作者:
 刘博贲洪奇孟涛
 哈尔滨工业大学 电气工程及自动化学院,黑龙江哈尔滨150001
Author(s):
 LIU BoBEN Hong-qiMENG Tao
 School of Electrical Engineering and Automation, Harbin Institute of Technology,Harbin 150001,China
关键词:
 z源整流器控制策略小信号模型直通零矢量降压变换
Keywords:
 Keywords:Z-sourcerectifier control strategysmall signal modelshoot-through zero vectorbuck conversion
分类号:
TM 461
DOI:
10. 15938/j. emc.2015.01.003
文献标志码:
A
摘要:
 摘要:三相电压型z源PWM整流器既能实现传统PWM整流器的功能,又能实现输出电压的降
压变换,并提高了桥臂开关管的抗干扰能力。将Z源整流器等效为交流侧PWM整流和直流侧Z
源网络降压变换两级控制系统,重点研究了直流侧的状态空间平均建模方法,得到了系统的小信号
控制模型,并推导了从直通占空比到输出电压的传递函数。针对直流侧Z源网络采用电压单闭环
控制系统时,输出电压纹波大、稳定性差的问题,提出了引入Z源网络电感电流内环与输出电压外
环的双闭环控制系统,并分析了双闭环PI调节器的参数设计方法。仿真和实验结果表明,所建立
的Z源整流器模型以及控制系统的设计是正确可行的。
Abstract:
 Abstract:Three phase voltage source Z一source PWM rectifier can not only achieve conventional PWM
rectifier’s function,but also achieve the output voltage buck conversion,and improve the anti-jamming
capability of leg-switching tube. The Z-source PWM rectifier is equivalent to two control systems:the
PWM rectifier of AC side and the Z-source network buck conversion of DC side. Focus of the study was
the state space average modeling approach of DC side. Then the small-signal control system model and
the transfer function from shoot-through duty to output voltage were obtained. For the problems of output
voltage’s large ripple and poor stability when DC-side Z-source network used voltage single-loop control
system,a double-loop control system was proposed which contains inner loop of Z一source inductor current
and outer loop with output voltage,and the parameter design method of double closed-loop PI regulator
was analyzed. Simulation and experiments showed that the Z-source rectifier model and the design of con-
trol system was correct and feasible.

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备注/Memo

备注/Memo:
 基金项目:中国博士后科学基金(2012 M510954 )
更新日期/Last Update: 2015-07-21