Conducted Emissions Suppression of Active Front End (AFE) Drive Based on Random Switching Frequency PWM

被引：21

作者：

Zhang, Zhe ^{[1
]}

Wei, Lixiang ^{[2
]}

Yi, Peizhong ^{[2
]}

Cui, Yujia ^{[2
]}

Murthy, Puneeth Srikanta ^{[2
]}

Bazzi, Ali M. ^{[1
,3
]}

机构：

[1] Univ Connecticut, Dept Elect & Comp Engn, Storrs, CT 06268 USA

[2] Rockwell Automat, Standard Drives Div, Mequon, WI 53092 USA

[3] Amer Univ Beirut, Dept Elect & Comp Engn, Beirut 110236, Lebanon

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2020年 / 56卷 / 06期

关键词：

Switching frequency; Pulse width modulation; Electromagnetic interference; Power harmonic filters; Switches; Inverters; Frequency measurement; Active front end (AFE) drive; conducted emissions; electromagnetic interference (EMI); pulsewidth modulation (PWM); random switching frequency; uniform distribution; EMI FILTER; NOISE SPECTRUM; MOTOR DRIVE; LCL-FILTER; 3-PHASE; POWER; PERFORMANCE; MODULATION; INVERTERS; DESIGN;

D O I：

10.1109/TIA.2020.3016629

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

One of the major issues with pulsewidth modulation (PWM) is that considerable conducted emissions will be generated from power electronics converters. Random modulations are considered one of the viable solutions to reduce conducted electromagnetic interference (EMI) without adding bulky passive filtering components. Literature that investigates the application of such techniques in active front end (AFE) drives is limited. In this article, a novel random switching frequency PWM (RSF-PWM) is proposed for a grid-tied AFE drive to suppress conducted emissions. The statistical behavior of switching frequency is based on uniform distribution. Simulation and experiments are carried out on a 10-hp AFE drive. Results demonstrate that the proposed RSF-PWM can effectively reduce conducted EMI by approximately 20 dB within low-frequency range, compared with conventional constant switching frequency PWM.

引用

页码：6598 / 6607

页数：10

共 47 条

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