水轮发电机交流励磁的自动控制  

Automation Control about Alternating-exciter of Water Turbine Generator

作　　者：陈刚[1] 姚明仁[1] 吴长菊[1] 

机构地区：[1]三峡大学电气信息学院,湖北宜昌443002

出　　处：《节能技术》2004年第3期21-23,共3页Energy Conservation Technology

摘　　要：随着电力电子技术与数字控制技术的发展 ,交流励磁电机应运而生 ,它有优于传统同步电机的性能。本文论述了水轮发电机交流励磁的原理和特点 ,对它的可行性进行了分析及论证。并介绍了采用交 -直 -交变频器对转子绕组进行控制的方法。根据SPWM控制原理 。Following the development of power electronic technology and digital control technology,the alternating current excitation electric machines with better performances than synchnous machine will be developed timely.So,it is an innovative problem in the sphere of electrical machinery.This paper contains the principle and specialty of water turbine generator,moreover,analyzes and proves it's feasibility,and introduces a method that using AC-DC-AC transducer to control the rotor rolls.Based on the control theory of SPWM,the control parts of the transducer will are adjusted by using a hardware and software combining method to adjust.

关 键 词：励磁 电机 控制 变频器 

分 类 号：TM621.6[电气工程—电力系统及自动化]