According to the wear and life of the white lamp,electromotor and condenser and the error analysis of the measuring device in the electrical system,the article discusses the damage and suppressing way of the high order harmonics in the electrical system.

• 结合电力网中白炽灯，电动机，电容器损耗和寿命及测量仪表的误差分析，讨论电力系统中高次谐波的危害及其抑制方法。