基于直接功率控制的双PWM变频调速系统

汪万伟 尹华杰 管霖

doi:10.3969/j.issn.1000-565X.2011.03.014

华南理工大学学报(自然科学版) >

2011 , Vol. 39 >Issue 3: 67 - 72

DOI: https://doi.org/10.3969/j.issn.1000-565X.2011.03.014

动力与电气工程

基于直接功率控制的双PWM变频调速系统

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华南理工大学电力学院，广东广州 510640

汪万伟(1982-)，男，博士生，主要从事电力电子和电力传动研究

收稿日期: 2010-04-16

修回日期: 2010-09-03

网络出版日期: 2011-02-01

基金资助

国家自然科学基金资助项目(50777022)

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Dual-PWM Frequency-Variable Speed Regulation System Based on Direct Power Control

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South China university of technology electricity institute, guangdong guangzhou 510640

汪万伟(1982-)，男，博士生，主要从事电力电子和电力传动研究

Received date: 2010-04-16

Revised date: 2010-09-03

Online published: 2011-02-01

Supported by

国家自然科学基金资助项目(50777022)

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摘要

研究了基于直接功率控制的双PWM变频调速方案,以实现电机四象限运行,消除网侧谐波污染,提高电机的动态响应性能.并在Matlab/Simulink环境中建立了该方案的仿真模型.仿真结果表明,相对于直接电流控制的双PWM控制方案,该方案的控制更为简单,其稳态、动态响应能力以及抗扰动能力也优于直接电流控制策略.

关键词： 双脉宽调制; 直接功率控制; 四象限运行; 异步电机; 仿真

本文引用格式

汪万伟尹华杰管霖 . 基于直接功率控制的双PWM变频调速系统[J]. 华南理工大学学报(自然科学版), 2011 , 39(3) : 67 -72 . DOI: 10.3969/j.issn.1000-565X.2011.03.014

Abstract

Proposed in this paper is a dual-PWM frequency-variable speed regulation scheme based on direct power control,which is used to achieve the four-quadrant operation of the motor,eliminate the harmonic pollution at the grid side and improve the dynamic response of the motor.The scheme is then modeled and simulated in Matlab/Simulink environment.The results indicate that the proposed scheme based on direct power control is superior to that based on direct current control in terms of control simplicity,dynamic and transient response as well as distur-bance rejection ability.

Key words： dual pulse width modulation; PI adjustment; direct power control; four-quadrant operation; induction motor; simulation

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