Design of Approximate 2DOF Digital Controller for Interleaved PFC Boost Converter

被引：0

作者：

Adachi, Yuto ^{[1
]}

Mochizuki, Yohei ^{[1
]}

Higuchi, Kohji ^{[1
]}

Jirasereeamornkul, Kamon ^{[2
]}

Chamnongthai, Kosin ^{[2
]}

机构：

[1] Univ Electrocommun, Chofu, Tokyo 1828585, Japan

[2] KMUTT, Bangkok 10140, Thailand

来源：

2014 INTERNATIONAL ELECTRICAL ENGINEERING CONGRESS (IEECON) | 2014年

关键词：

Power factor correction (PFC); Boost converter; Approximate; 2DOF; Digital robust control; Micro-processor;

D O I：

暂无

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：

In general, a current conduction mode boost converter is used for active PFC (Power Factor Correction). In a PFC boost converter, if a duty cycle, a load resistance and an input voltage are changed, the dynamic characteristics are varied greatly. This is the prime reason of difficulty of controlling the interleaved PFC boost converter. In this paper, the robust digital controller using an A2DOF (Approximate 2-Degree-Of-Freedom) method for suppressing the variation of output voltage in dynamic load response with high power factor and low harmonic is proposed. Experimental studies using a micro-processor for controller demonstrate that this type of digital controller is effective to improve power factor and to suppress output voltage variation.

引用

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页数：4

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