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广州某铅锌矿有多台电振给料机,该电振给料机采用二极管三相半波整流供电,产生很大谐波,导致井下照明变压器多台损坏。使用我司提供的有源滤波设备后,谐波大大降低,井下照明变压器运行良好,再无发生损坏,取得了良好的经济效益。
电振器结构图:(1)料槽 (2)电磁激振器 (3)减振器 (4)调控仪
使用前后电流谐波对比如下:
滤波器投入前(红色电压,绿色电流) 滤波器投入后(红色电压,绿色电流)
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