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Abstract:
基于双二阶广义积分器的锁相环(dual second-order generalized integrator PLL,DSOGI-PLL)通过二阶广义积分器产生正交信号和滤除谐波,可实现在电网电压不对称和畸变情况下同步信号的提取。但当电网电压含有多次谐波时,基本二阶广义积分器的滤波效果不理想,锁相环提取的同步信号出现波动。文中通过构建谐波消除模块,在DSOGI-PLL的基础上,提出一种改进的锁相环结构。该锁相环在计算分离正负序电压之前先利用谐波消除模块消除电网电压中的各次谐波,从而消除谐波对锁相环的影响,准确地提取电网电压同步信号。MATLAB仿真和实验结果均表明,这种锁相环在电网电压不对称...
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中国电机工程学报
ISSN: 0258-8013
CN: 11-2107/TM
Year: 2016
Issue: 09
Volume: 36
Page: 2350-2356
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 2
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