...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Power Electronics, IET >Design and performance studies of a hybrid voltage regulator with improved energy efficiency
【24h】

Design and performance studies of a hybrid voltage regulator with improved energy efficiency

机译：具有提高能效的混合电压调节器的设计和性能研究

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

Transformer coupling in high step-down ratio voltage regulators (VR) improves their efficiency by extending the duty cycle, but results in poor dynamic performance because of their low inductor current slew rate and the leakage inductance of the transformer. Hybrid VR use an auxiliary buck converter in parallel with the main converter during load transients to improve the dynamic performance of the VR. The dynamic power loss in the auxiliary buck converter, however, severely affects the energy efficiency of the VR with increasing frequency of the load transients. This study presents the design and performance of a new control circuit proposed to minimise the dynamic power loss in the auxiliary buck converter of a hybrid voltage regulator consisting of an isolated full-bridge current doubler rectifier converter in parallel with an auxiliary buck converter. The results obtained from simulation and experimentation on a 9¿19 V input, 1 V/30 A output, 500 kHz hybrid voltage regulator, designed according to the proposed method, show that the proposed control scheme significantly improves both the dynamic performance and the energy efficiency of the VR.
机译：高降压比电压调节器（VR）中的变压器耦合可通过延长占空比来提高其效率，但由于其电感电流摆率低以及变压器的漏感而导致动态性能较差。混合VR在负载瞬变期间使用与主转换器并联的辅助降压转换器，以改善VR的动态性能。然而，随着负载瞬变频率的增加，辅助降压转换器中的动态功率损耗会严重影响VR的能效。这项研究提出了一种新的控制电路的设计和性能，该电路旨在最大程度地降低混合稳压器的辅助降压转换器中的动态功率损耗，该混合稳压器包括一个隔离的全桥电流倍增整流器转换器和一个辅助降压转换器并联。根据建议的方法设计的9×19 V输入，1 V / 30 A输出，500 kHz混合稳压器的仿真和实验结果表明，建议的控制方案显着改善了动态性能和VR的能源效率。

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