| 空冷器风机变频器的DCS状态显示控制系统改造 |
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| 引用本文： | 张学锋,卞莲芳,刘峰,陈峰.空冷器风机变频器的DCS状态显示控制系统改造[J].节能技术,2006,24(4):383-384,F0003. |
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| 作者姓名： | 张学锋 卞莲芳 刘峰 陈峰 |
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| 作者单位： | 中原油田天然气处理厂二气厂,河南,濮阳,457162;中原油田天然气处理厂二气厂,河南,濮阳,457162;中原油田天然气处理厂二气厂,河南,濮阳,457162;中原油田天然气处理厂二气厂,河南,濮阳,457162 |
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| 摘 要： | 空冷器风机在DCS系统中的状态只有正常运行显示，没有停机或者故障显示，变频器保护停机后的再启动的时间间隔将会引起系统操作参数波动，影响产品质量和正常生产。针对这种情况将变频参数优化与控制线路改进，使空冷器风机变频器保护停运时，DCS系统能显示空冷器风机停运并发出报警信号，重新启动时间由原来3min少到5s以内，大大缩短了空冷器风机启动时间，解决了空冷器风机停运对装置造成的影响，确保了生产的连续平稳运行。
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| 关 键 词： | 风机 变频器 控制系统 改造 |
| 文章编号： | 1002-6339（2006）04-0383-03 |
| 收稿时间： | 2006-04-29 |
| 修稿时间： | 2006-04-292006-06-08 |
Modifications to Frequency Transformer Control System of the Fan of Air Cooler in DCS System |
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| ZHANG Xue-feng,BIAN Lian-fang,LIU Feng,CHEN Feng.Modifications to Frequency Transformer Control System of the Fan of Air Cooler in DCS System[J].Energy Conservation Technology,2006,24(4):383-384,F0003. |
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| Authors: | ZHANG Xue-feng BIAN Lian-fang LIU Feng CHEN Feng |
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| Abstract: | In DCS system, although the state of air cooler on normal operation is well informed, no message is available when the fan of air cooler is in shutdown and/or breakdown and the longer restart time is one of main reasons for the unsteadiness of operational parameters and product quality. To solve this problem, we had optimized frequency transformer parameters and improved the control circuits, added the alarm message to DCS system once the air cooler fan is in breakdown. At the same time, we improved the restart time from 3 minutes to 5 seconds. Based on these efforts, the negative influence of shutdown and/or breakdown on the production system is avoided thorouhgly. |
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| Keywords: | fan frequency transformer control system modification |
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