基于HEF4752集成芯片的异步电动机变频调速控制系统  

Frequency Conversion and Velocity Modulation Control System of Asynchronous Motor by Using the HEF4752 Integration Chip

作　　者：贺廉云[1] 

机构地区：[1]德州学院机电工程系,山东德州253015

出　　处：《农业装备与车辆工程》2008年第2期36-38,共3页Agricultural Equipment & Vehicle Engineering

摘　　要：异步电动机具有体积小、重量轻、结构简单、维护方便、制造成本和运行费用低、能在恶劣环境下可靠运行等一系列优点,广泛运用于工农业生产及日常生活各领域。本设计主要是运用了HEF4752集成芯片实现对三相PWM逆变桥的变频变压控制,从而实现异步电动机的变频调速。The asynchronous motor has a series of merits such as small volume, light weight, simple structure, convenient maintenance and low production and operating cost. It can be widely used in industry, agriculture and daily life and so on. This design mainly realized the frequency conversion and variable voltage of the three-phase PWM inverter bridge by using the HEF4752 integration chip, therefore realized frequency conversion and velocity modulation of the asynchronous motor.

关 键 词：正弦波脉宽调制(SPWM) 逆变桥 HEF4752 

分 类 号：TM301.2[电气工程—电机]