摘要
针对永磁风力发电机采用无源整流结构时,由于整流桥特性及交流电抗所引起的发电机电流谐波大、功率因数低、效率低等缺点,研究了一种基于磁能恢复开关(MERS)的发电机交流电抗补偿方法,理论分析和仿真结果表明MERS能改善永磁风力发电机的机侧功率因数,并产生电压来补偿发电机同步电抗的影响,从而提高风电系统的输出功率和效率。
When the permanent magnet synchronous generator （PMSG） wind generation system used passive rectifier structure, characteristics of the bridge rectifier and AC reactance could cause some problems, such as large harmonic current, low power factor and efficiency. According to the problems, a method compensating for permanent magnet generator reactance based on MERS was studied. Theoretical analysis and simulation results showed that MERS could improve generator-side power factor and compensate for the synchronous reactance voltage, thereby increasing the output power and efficiency of system.
出处
《电机与控制应用》
北大核心
2012年第9期13-19,共7页
Electric machines & control application
基金
上海市教育委员会科研创新项目资助(11YZ257
10YZ161)
关键词
磁能恢复开关
同步发电机
交流电抗补偿
magnetic energy recovery switch（MERS）
synchronous generator
AC reactance compensation
