摘要
近年来,电力电子、计算机控制技术的进步,推动着船舶电力系统的发展。船舶电力系统中的永磁同步发电机具有高频率、大功率和电感小的特点。由于目前开关器件的限制,传统三相PWM整流器难以应用于高电压、大电流和高频率的特殊场合。为了减小PWM整流的脉动和电流谐波,可采用双重三相PWM整流器拓扑或中点钳位式三电平PWM整流器拓扑。用MATLAB/Simulink对两种PWM整流拓扑进行仿真,对二者的电流谐波进行对比分析。
In recent years, the progress of electric power, electronics and computer control technology promotes the development of marine power system. Permanent magnet synchronous generator(PMSG) in marine power system has the characteristics of high frequency, high power and low inductance. Due to the limitation of current switching devices, the traditional three-phase PWM rectifier is difficult to be used in special situations with high voltage, high current and high frequency. In order to reduce the pulsation and current harmonics of PWM rectifier, dual three-phase PWM rectifier topology or neutral-point clamped three-level PWM rectifier topology can be used. Two kinds of PWM rectifier topologies are simulated by MATLAB/Simulink, and the current harmonics of the two are compared and analyzed.
作者
周野
焦振宏
ZHOU Ye;JIAO Zhenhong
出处
《科技创新与应用》
2020年第17期25-27,共3页
Technology Innovation and Application
关键词
船舶电力系统
双重三相拓扑
中点钳位式三电平拓扑
电流谐波
marine power system
dual three-phase topology
midpoint clamped three-level topology
current harmonics
