Repetitive Controlled Single-phase High-frequency-link Rectifier

ZHU Wenjie; ZHOU Keliang; WANG Yang; QIN Zhen; REN Cong; ZHU Li

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Repetitive Controlled Single-phase High-frequency-link Rectifier

更新时间：2025-12-08

- Repetitive Controlled Single-phase High-frequency-link Rectifier
- Vol. 47, Issue 5, Pages: 1704-1711(2021)
- 作者机构：
  
  1. 青岛理工大学信息与控制工程学院
  2. 武汉理工大学自动化学院
  3. 国网襄阳供电公司
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：31 May 2021，
  
  Published：2021
- 稿件说明：
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ZHU Wenjie, ZHOU Keliang, WANG Yang, et al. Repetitive Controlled Single-phase High-frequency-link Rectifier[J]. 2021, 47(5): 1704-1711.
DOI：

ZHU Wenjie, ZHOU Keliang, WANG Yang, et al. Repetitive Controlled Single-phase High-frequency-link Rectifier[J]. 2021, 47(5): 1704-1711. DOI：

摘要

为解决高频隔离整流器半导体开关电压应力大的问题

并提高并网电流的控制性能

提出一种双向功率流两级高频隔离整流器的调制和控制方法

并对其工作模态和软开关条件进行详尽的分析。该整流器由副边的全桥、高频隔离变压器和原边的周波变换器构成

并加入钳位电路消除变压器原边的电压过冲和振荡。设计其调制方法

建立其数学模型

并采用复合重复控制的双闭环策略进行输出电压和电网侧电流的高性能控制。周波变换器和钳位电路均实现了零电压开关

副边全桥电路部分实现零电压开关。制作了1 kVA的实验样机

实验结果验证了调制方法和控制策略的有效性。该高频隔离整流器结合了常规单相PWM整流器和高频隔离变换器的特性

其更有输出电压范围更广

双功率流、高功率密度和电网侧电流质量高且功率因数可调节等特点

非常适合电动汽车充电领域。

Abstract

In order to solve the problem of high voltage stress and improve the control performance of grid-connected current

we put forward a modulation and control method of bidirectional high-frequency-link（HFL） single-phase PWM rectifier with active clamps. Each stage and soft switching condition of the rectifier are analyzed in detail. The proposed HFL PWM rectifier mainly consists of a high frequency galvanic isolation transformer

a secondary H-bridge converter

and a primary cycloconverter. In addition

an active clamper circuit is employed for the proposed HFL rectifier to avoid voltage overshoots and rings. Modulation strategy and repetitive control（RC） scheme are developed to enable it to achieve high performance. A 1 kVA HFL rectifier prototype is built in the lab and experiment is carried out. The results show that the proposed rectifier offers high-power-density

adjustable power factor and high-performance power conversion solution to extensive applications

especially in electric vehicle charging.

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