A new pulse-width modulation (PWM) scheme for modular structured multilevel voltage source inverter

被引：14
|
作者：
Aziz, JA [1 ]
Salam, Z [1 ]
机构：
[1] Univ Teknol Malaysia, Fac Elect Engn, Johor Baharu, Johor, Malaysia
来源：
INTERNATIONAL JOURNAL OF ELECTRONICS | 2004年 / 91卷 / 04期
关键词：
D O I：
10.1080/00207210410001675644
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：
This work proposes a new switching scheme for a particular multilevel topology, known as the modular structured multilevel inverter (MSMI). The proposed scheme is based on symmetric regular sampled unipolar PWM, with multiple modulating waveforms and a single carrier. Mathematical equations that define the PWM switching instants are derived. These equations are suitable for digital implementation. An experimental five-level MSMI test-rig is built to implement the proposed algorithm. The derived equations are implemented by a low-cost fixed-point microcontroller. Several tests to quantify the performance of the inverter under the proposed modulation scheme are carried out.
引用
收藏
页码：211 / 226
页数：16
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