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| 双变量交一交变频器调速量化控制算法研究 | |
| 引用本文： | 李玉东,李青,李辉.双变量交一交变频器调速量化控制算法研究[J].河南理工大学学报(自然科学版),2012,31(2):196-200. |
| 作者姓名： | 李玉东 李青 李辉 |
| 作者单位： | 1. 河南理工大学电气工程与自动化学院,河南焦作,454000 2. 商丘供电公司设计所,河南商丘,476000 3. 周口供电公司,河南周口,466000 |
| 基金项目： | 河南省科技厅重点攻关项目，河南省教育厅自然科学基础研究 |
| 摘 要： | 在双变量交一交变频器控制中，晶闸管触发时刻和脉冲后沿时刻是需要实时精确确定的参数．针对目前查表法求取晶闸管触发时刻的缺点，提出一种用于无环流相控交．交变频器的触发脉冲前沿时刻a和触发脉冲宽度届的量化算法．该算法具有占内存小、速度快、易于实现等优点．理论分析和试验结果表明，该量化算法可以提高交．交变频输出电压电流波形的正弦度和对称度． |
| 关 键 词： | 相控理论 双变量控制 量化算法 交．交变频 |
Quantization algorithm of double-variable control AC-AC converter |
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| LI Yu-dong,LI Qing,LI Hui.Quantization algorithm of double-variable control AC-AC converter[J].JOURNAL OF HENAN POLYTECHNIC UNIVERSITY,2012,31(2):196-200. | |
| Authors: | LI Yu-dong LI Qing LI Hui |
| Affiliation: | 1.School of Electrical Engineering and Automation,Henan Polytechnic University,Jiaozuo 454000,Henan,China;2.Institute of Shangqiu Power Supply Company Design,Shangqiu 476000,Henan,China;3.Zhoukou Power Supply Company,Zhoukou 466000,Henan,China) |
| Abstract: | The angle α and the pulse width β of SCR are accurate parameters used in Double-Variable Control Theory(TVCT) AC-AC VVVF system.This paper introduces the fundamental principle of TVCT and puts forward a quantization algorithm of the angle α and the pulse width β.Using the TVCT and the quantization algorithm,the converter does not need a device for zero-crossing detection.Due to the inherent complexity along with high accuracy and good real time requirements of AC-AC VVVF system,one kind of frequency variable speed regulating control system based on microprocessor and CPLD is designed.The system based on the quantization algorithm is implemented.Finally,the corresponding experiment results of the system are corried to out verify the validity of the presented scheme. |
| Keywords: | phase-controlled theory TVCT quantization algorithm AC-AC converter |
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