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| 交交变频器余弦交截法微机实现方法研究 | |
| 引用本文： | 谭兴国,王艳,王剑波. 交交变频器余弦交截法微机实现方法研究[J]. 电气开关, 2005, 43(4): 17-20 |
| 作者姓名： | 谭兴国 王艳 王剑波 |
| 作者单位： | 河南理工大学电气系,河南,焦作,454003;长治潞安潞欣投资咨询有限公司,山西,长治,046204 |
| 摘 要： | 介绍了交交变频器常用控制方法1:余弦交截法的基本原理,以及在控制系统中的微机实现方法,总结了两种余弦交截法的实现方式.方式1中重点说明了如何通过改进余弦交截法,快速实时近似求解触发时间常数.方式2介绍了三种常见的离线计算时间常数方法,并给出了触发程序框图.分析了两种方式的优缺点和各自应用范围. |
| 关 键 词： | 余弦交截法 交交变频器 触发 微机 |
| 文章编号： | 1004-289X(2005)04-0017-04 |
| 收稿时间： | 2005-03-21 |
| 修稿时间： | 2005-03-21 |
Study On Realization Of Cosine Wave Crossing Method in AC-AC Converter |
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| TAN Xing-guo,WANG Yan,WANG Jian-bo. Study On Realization Of Cosine Wave Crossing Method in AC-AC Converter[J]. Electric Switchgear, 2005, 43(4): 17-20 | |
| Authors: | TAN Xing-guo WANG Yan WANG Jian-bo |
| Abstract: | Common control method of AC-AC converter,that is basic principle of cosine ware crossing method and realization of microcmputer in the control system are presented.two binds of realization of cosine waure cossing methods are summarized.In the first ways,how to improue cosine ware crnsing method and find approximate time constant in real-time are showed.In the secord way,three kinds of common off-line operation time constauts are presented and the chat of trigging program is giver.The advantages and disadvantages of the two woys and their eah scopes are analyzed. |
| Keywords: | cosine wave crossing AC-AC converter trigging microchip |
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