摘  要：文中简介了变频调速系统制动力矩的工程估算方法，论述了变频调速系统制动电阻与制动单元的选配及制动单元、制动电阻选型、安装及配线应注意的事项。

关键词：制动；选配；安装

Abstract: This paper gives a brief introduction of the brake torque estimation method of VVVF system engineering, discusses the matters needing attention in VVVF system and dynamic braking resistor matching and braking unit, braking resistor selection, installation and wiring.

Key words: Braking; Matching; Install

【中图分类号】TN830.2【文献标识码】B 【文章编号】1561-0330（2018）11-0000-00