...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of energy and power engineering >A New Zero-Voltage Transition Power Factor Corrected Single-Phase Single-Stage AC-to-DC Converter
【24h】

A New Zero-Voltage Transition Power Factor Corrected Single-Phase Single-Stage AC-to-DC Converter

机译：新型零电压过渡功率因数校正的单相单级AC-DC转换器

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

This paper presents a new ZVT (zero-voltage transition) single-stage ac-to-dc converter using PWM (pulse width modulation) and HF (high frequency) transformer isolation with capacitive output filter. In this converter a front-end power factor corrected boost stage integrates with a cascaded dc-to-dc bridge HF converter. The front-end boost converter operates in discontinuous current mode and ensures natural power factor correction with very simple control. The auxiliary circuit of this topology deals with very small power and is placed out of the main power path. As a result, the auxiliary circuit components have smaller power rating as opposed to main converter components. Also, output rectifier voltage is clamped to output voltage due to capacitive output filter. Identification and analyses of different operating modes of this converter are presented. Based on these analyses design example of a 50 kHz, 48 V, 1 kW ac-to-dc converter is presented. PSPICE simulation results of the designed converter are presented and explained to verify the performance of this converter.
机译：本文介绍了一种新的ZVT（零电压过渡）单级AC-DC转换器，该转换器使用PWM（脉冲宽度调制）和HF（高频）变压器隔离以及电容输出滤波器。在该转换器中，前端功率因数校正升压级与级联的DC-DC桥式HF转换器集成在一起。前端升压转换器以不连续电流模式运行，并通过非常简单的控制来确保自然功率因数校正。这种拓扑的辅助电路处理的功率非常小，并且放置在主功率路径之外。结果，与主转换器组件相比，辅助电路组件具有较小的额定功率。同样，由于电容输出滤波器，输出整流器电压被钳位到输出电压。介绍了该转换器不同工作模式的识别和分析。基于这些分析，提出了一个50 kHz，48 V，1 kW交流-直流转换器的设计示例。给出并解释了设计转换器的PSPICE仿真结果，以验证该转换器的性能。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号