电解锰企业谐波分析及治理

Harmonic Analysis and Suppression of Electrolytic Manganese Enterprise

为了解电解锰企业谐波污染情况及进一步治理谐波,对位于百色的一家电解锰厂进行了谐波测量,分析了其谐波情况:正常生产时,所连接福林变35 kV母线电压总谐波畸变率和各次谐波电压含有率均有明显的增大;注入电网的11、13次谐波电流超出国标限值。为进行谐波治理进行了11次单调谐滤波器参数设计及ETAP仿真,通过仿真结果可知,在电解锰厂内35 kV母线加装11次单调谐滤波器,可以明显降低11、13次谐波电流及17、19次谐波电流,使超标谐波电流均降低到国标范围之内。

The harmonic of an electrolytic manganese enterprise in Baise is measured and analyzed. The result shows that the total and every harmonic voltage distortion ratios on the 35kV bus that the enterprise connected the in Fulin substation have obvious increment, and 1 lth and 13th harmonic currents exceed the limit of national standard. An 1 lth single tuned filter is used to the harmonic suppression and the simulation result by ETAP shows that the filter can suppress 1 lth, 13th, 17th and 19th harmonic currents effectively and decrease their values under the limit of national standard.