电梯交流调速的类型及特点

Types and Features of Elevator's AC Speed Regulation

介绍了电梯交流调速的3种类型(变极调速、变压调速和变频变压调速)及其特点。

This paper introduces three types of elevator's AC speed regulation (variable-electrode speed regulation, variable-voltage speed regulation and variable-frequency and variable-voltage speed regulation) and their features.