Selective harmonic control: A general problem formulation and selected solutions

被引：153

作者：

Wells, JR ^{[1
]}

Nee, BM ^{[1
]}

Chapman, PL ^{[1
]}

Krein, PT ^{[1
]}

机构：

[1] Univ Illinois, Urbana, IL 61801 USA

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2005年 / 20卷 / 06期

关键词：

harmonic control; harmonic elimination; harmonic reduction; harmonics programmed pulse-width modulation (PWM); selective harmonic elimination (SHE);

D O I：

10.1109/TPEL.2005.857541

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Selective harmonic elimination/control has been a widely researched alternative to traditional pulse-width modulation techniques. Previous and current work has made fundamental assumptions that enforce output waveform quarter-wave symmetry, presumably in order to reduce the complexity of the resulting equations. However, the quarter-wave symmetric assumption is not strictly necessary. It restricts the solution space, which can result in sub-optimal solutions with regards to the uncontrolled harmonic distribution. A more general formulation is proposed, removing the quarter-wave symmetry constraint for two classes of the m-level, n-harmonic harmonic control problem. The special cases of two- and three-level harmonic elimination are presented in detail along with representative solutions for each harmonic control problem. New solutions previously unattainable based on quarter-wave symmetric techniques are identified.

引用

页码：1337 / 1345

页数：9

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