The harm of the high degree harmonic wave in power system was introduced and the selection of prevention and the measure of controlling the harmonic interference were put forward.
本文简要介绍电力系统中高次谐波的危害，以及选择的防治、抑制谐波干扰的措施。
The source of the harmonic wave in the power system mainly comes from all kinds of nonlinear devices.
电力系统中产生的谐波主要来自各种非线性用电设备。
The growing tendency of the abnormity and accident which caused by the harmonic wave has already become the social harmfulness in the power system.
电力谐波干扰导致电气设备异常和事故有逐年增长的趋势，电力系统谐波已成为威胁电力系统和其它用电负荷安全运行的“电力公害”。
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