本文叙述了玻璃厂中电源干扰的产生及其对仪器仪表带来的危害,提出了针对不同的电源干扰,需采取不同的防治措施.最后指出对有些干扰若采用单一措施是不能克服的,需几种手段综合运用,才能使电源净化到满足仪器仪表的需要. This paper describes the generation of power interference in glass factory and its harm to instrumentation, and puts forward different measures for prevention and control of interference with different power sources. Finally, it is pointed out that if some interferences can not be overcome by using a single measure, Comprehensive utilization of several means to make the power purification to meet the needs of instrumentation.