积分给定在低频发电制动系统中的应用

Application of integral grant in low frequency electric brake system

针对交流双滚筒单绳缠绕式提升机在多水平运行时 ,中间水平没有电气制动的问题 ,提出改造方案。

Directing to the problem of ac double-drum single rope winding lifter working in multiple level without electric brake in middle level,put forward the reform plan.