Light Load Efficiency Improvement in Variable DC-link Voltage Inverter Systems for Home Appliances

被引：2
|
作者：
Park, Hyun Soo [1 ]
Kim, Minkook [1 ]
Lee, Byoung Kuk [1 ]
机构：
[1] Sungkyunkawn Univ, Dept Elect & Comp Engn, Seoul, South Korea
来源：
JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY | 2016年 / 11卷 / 05期
关键词：
Buck boost selective control; Light load efficiency; Power factor correction; Variable dc-link; STRATEGY;
D O I：
10.5370/JEET.2016.11.5.1274
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 describes an efficiency improvement scheme in variable dc-link voltage inverter systems for home appliances and especially focuses on the light load operating area. Although, variable dc-link voltage according to the load could improve the efficiency of inverter, it can cause complex operation and low efficiency of PFC circuit. Therefore, in this paper buck boost selective control scheme is proposed to increase the efficiency of PFC circuit under low dc-link voltage. The validity of the proposed scheme is verified by 2.2kW dynamo system and maximum 6.5% system efficiency improvement could be achieved.
引用
收藏
页码：1274 / 1281
页数：8
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