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针对城市轨道交通供电系统,对系统产生的谐波进行分析,可知谐波对系统具有危害性。在现实系统中不但含有特征次谐波,而且含有非特征次谐波。采用多重化结构的整流系统,仍然含有已经被认为消除的谐波。应采用分散治理和集中治理的方案,轨道交通供电系统应安装滤波装置或者有源滤波装置APF。
For the urban rail transit power supply system, the harmonic analysis of the system, we can see the harmonic harm to the system. In the real system not only contains characteristic sub-harmonics, but also contains non-characteristic sub-harmonics. Rectification systems with multiple structures still contain harmonics that have been considered eliminated. Should adopt decentralized management and centralized management of the program, rail transit power supply system should be installed or active filtering APF filter device.