| PLC在大型电弧炉控制系统中的应用 |
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| 引用本文： | 董锋斌,李磊,皇金锋. PLC在大型电弧炉控制系统中的应用[J]. 仪表技术与传感器, 2006, 0(7): 27-28,38 |
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| 作者姓名： | 董锋斌 李磊 皇金锋 |
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| 作者单位： | 1. 陕西理工学院,电气工程系,陕西,汉中,723003
2. 西安科技大学,电气与控制工程学院,陕西,西安,710054 |
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| 摘 要： | 针对电弧炉的非线性、大滞后、强耦合、时变、工作环境及随机干扰较强的特点，提出采用高可靠性可编程序控制器PLC作控制器，应用电极升降速度自适应控制的方案，来实现电弧炉电极升降的自动准确地控制，有效地减少电极短路、断弧和振荡。该系统已在数家炼钢厂可靠运行数年。
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| 关 键 词： | 电弧炉 可编程序控制器 自适应控制 断弧 |
| 文章编号： | 1002-1841（2006）07-0027-02 |
| 收稿时间： | 2006-05-12 |
| 修稿时间： | 2006-05-12 |
Application of PLC in Control System for Large Electrode Arc Furnace |
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| DONG Feng-bin,LI Lei,HUANG Jin-feng. Application of PLC in Control System for Large Electrode Arc Furnace[J]. Instrument Technique and Sensor, 2006, 0(7): 27-28,38 |
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| Authors: | DONG Feng-bin LI Lei HUANG Jin-feng |
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| Abstract: | Contraposing the character of electrode arc furnace-nonlinearity, close coupling bad delay lag, time change, stochastic disturbance,PLC controller was introduced and control scheme being based upon self-adapting control theory was brought forward. Thus electrode was controlled automationally and accurately. Synchronously the times of arc breaking, short circuh and oscillation were reduced effectively. The control system has been used by several steelworks several years. |
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| Keywords: | electrode arc furnace PLC self-adapting control arc breaking |
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