谐波治理主要有电网集中治理模式、特殊变压器就地治理模式、改变整流变压器接线、无源滤波装置就地治理模式及有源滤波装置就地治理模式，其中无源滤波模式较为成熟，值得推广。

These modes include centralized elimination, special transformer on the spot , passive filter on the spot and active filter on the spot. The passive filter mode is mature and deserves to popularize.

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