VVVF变频器在电梯系统改造中的应用

The Application of VVVF Inverter in the Improvement of Elevator System

采用交流变频调速器(VVVF变频器)对继电器控制方式的电梯(如交流双速梯、交流调速梯、直流梯等)进行改造，对改善电梯的运行性能、安全性能、乘坐舒适感、节能方面具有很大的优越性，代表了当今电梯系统改造的主流方向，本文介绍了VVVF变频器在高层电梯系统改造中的实际应用。

：We have improved the relay controlled elevator using VVVF inverter. This method has many advantages for improving the running capability and safety capability, enhancing comfort feeling and reducing cost, it represents the main way in the improvement of elevator. This paper introduced the actual application of VVVF inverter in the improvement of elevator system.