摘要
针对大功率脉冲负载在舰船中的应用为背景,对其中全桥隔离DC/DC变换器的建模与控制展开研究。文章基于最小回流功率的双重移相控制策略,通过分析该控制下的软开关条件及其功率传输特性,建立了其动态小信号模型。通过Matlab/Simulink仿真试验对该控制策略进行验证,试验结果表明,采用基于最小回流功率的双重移相控制,能有效地减小变换器功率损耗,从而提高舰船电力系统的稳定性。
For the background of the usage of the high-power pulse load in the vessel, the paper focuses on modeling and control of the full-bridge isolated DC/DC converter. Through analyzing the soft-switching conditions and the power transmission characteristics with the dual-phase-shifting control, based on the strategy of minimum backflow power, the dynamic small signal model is presented. At last, it verifies the validity to reduce the loss of the converter, and promotes the stability of the electrical power system in the vessel, which uses the control of minimum backflow power by simulation experiment with Matlab/Simulink.
出处
《船舶工程》
北大核心
2016年第11期90-95,共6页
Ship Engineering
关键词
全桥隔离DC/DC变换器
双重移相控制
软开关
回流功率
full-bridge isolated DC/DC converter
dual-phase-shifting control
soft-switching
backflow power
