Hybrid ZVS BCM Current Controlled Three-Phase Microinverter

被引：75

作者：

Amirahmadi, Ahmadreza ^{[1
,2
]}

Hu, Haibing ^{[1
]}

Grishina, Anna ^{[1
]}

Zhang, Qian ^{[1
]}

Chen, Lin ^{[1
]}

Somani, Utsav ^{[1
]}

Batarseh, Issa ^{[1
]}

机构：

[1] Univ Cent Florida, FPEC, Orlando, FL 32826 USA

[2] Int Rectifier, El Segundo, CA 90245 USA

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2014年 / 29卷 / 04期

基金：

美国国家科学基金会;

关键词：

Boundary conduction mode (BCM) modulation; three-phase microinverter; zero-voltage switching (ZVS); RESONANT DC-LINK; ZERO-CURRENT; TRANSITION INVERTER; AUXILIARY SWITCHES; EMI REDUCTION; MODULATION; CONVERTERS;

D O I：

10.1109/TPEL.2013.2271302

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 paper presents a new zero-voltage switching (ZVS) control method that is suitable for low-power applications such as three-phase microinverters. The proposed hybrid control method increases the efficiency and power density of the microinverters and features both reduced number of components and easy digital implementation. ZVS is achieved by controlling the inductor current bidirectional in every switching cycle and results in lower switching losses, higher operating frequency, and reduced size and cost of passive components, especially magnetic cores. A 400 W prototype of a three-phase inverter and its hybrid control system have been designed and tested under different conditions to verify the effectiveness of the controller. Efficiency measurement and comparison of the three different current modulation schemes have been conducted, and the inverter exhibits peak efficiency of 98.4% with fixed reverse current boundary conduction mode modulation.

引用

页码：2124 / 2134

页数：11

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