通风机改型配套时电动机功率的计算

摘要

Against the burn-out accident of motor in 4-72-11№ 20B replaced by Y4-73-11№20D fan, its starting power is analyzed & calculated. The problem of motor which is not matched is solved.%针对将原4-72-11No20B通风机改型为Y4-73-11No20D通风机中存在的电机烧毁事故，分析计算了其启动功率，较好地解决了电机不匹配的问题。