A Comprehensive Analysis for High-Power Density, High-Efficiency 60 kW Interleaved Boost Converter Design for Electrified Powertrains

被引：50

作者：

Guo, Jing ^{[1
]}

Rodriguez, Romina ^{[2
]}

Gareau, Jacob ^{[2
]}

Schumacher, Dave ^{[3
]}

Alizadeh, Maryam ^{[2
]}

Azer, Peter ^{[2
]}

Bauman, Jennifer ^{[2
]}

Bilgin, Berker ^{[2
]}

Emadi, Ali ^{[2
]}

机构：

[1] Borg Warner Inc, Waterloo Tech Ctr, Kitchener, ON N2G 4X8, Canada

[2] McMaster Univ, Dept Elect & Comp Engn, Hamilton, ON L8S 4L8, Canada

[3] Enphase Energy, Austin, TX 78758 USA

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2020年 / 69卷 / 07期

基金：

加拿大自然科学与工程研究理事会;

关键词：

DC-DC power converter; electrified powertrain; inductor design; interleaved converter; GENETIC ALGORITHM; OPTIMIZATION;

D O I：

10.1109/TVT.2020.2991395

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：

High-power boost converters offer significant benefits to hybrid and electric vehicles, because higher-voltage propulsion power equates to lower motor losses. However, the converters themselves must have high efficiency and high power density in order to make the system-level trade-off beneficial. Thus, this paper presents an optimized design process of high power multi-phase interleaved bidirectional boost converters. In order to achieve a fast and accurate analysis and design, a generalized method is developed for the calculations of required phase inductance and output capacitance. In addition, a genetic algorithm (GA) optimization method is implemented for the inductor design. Using the proposed design process, a 3-phase 60 kW interleaved converter is designed and tested using paralleled SiC MOSFETS. The converter achieves peak efficiency of 99.2% at 10 kW and is >98% efficiency from 5% to 100% load. The resulting power density is 9.4 kW/L, which can be further improved to 12.2 kW/L with alternate terminal connectors.

引用

页码：7131 / 7145

页数：15

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