A DC-Link Modulation Scheme With Phase-Shifted Current Control for Harmonic Cancellations in Multidrive Applications

被引：29

作者：

Yang, Yongheng ^{[1
]}

Davari, Pooya ^{[1
]}

Zare, Firuz ^{[2
]}

Blaabjerg, Frede ^{[1
]}

机构：

[1] Aalborg Univ, Dept Energy Technol, DK-9220 Aalborg, Denmark

[2] Danfoss Power Elect AS, Global R&D Ctr, Dept EMC & Harmon, DK-6300 Grasten, Denmark

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2016年 / 31卷 / 03期

关键词：

Adjustable speed drives; dc-link modulation; diode rectifier; harmonics; phase-shifted currents; silicon-controlled rectifier (SCR); three-phase multiple drive systems; RECTIFIER; REDUCTION; ESSENCE;

D O I：

10.1109/TPEL.2015.2472641

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 letter proposes a harmonic mitigation strategy to cancel out current harmonics induced by the front-end rectifiers in multidrive systems, which consist of diode rectifiers, silicon-controlled rectifiers (SCR), and boost converters in the dc-link. The proposed strategy is a combination of a new dc-link modulation scheme with a phase-shifted current control enabled by the SCR. The dc-link current modulation scheme is implemented by adding and subtracting specific modulation levels, which makes the total currents drawn from the grid "multilevel," resulting in an improved current quality. Simulations and experiments have validated the effectiveness of the proposed harmonic mitigation solution for multidrive systems.

引用

页码：1837 / 1840

页数：4

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