| DF5000高压变频器在电厂引风机“一拖二”的应用 |
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| 引用本文： | 施明贤,杜刚强,毕明新,于广,宋卫东.DF5000高压变频器在电厂引风机“一拖二”的应用[J].变频器世界,2012(10):73-77. |
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| 作者姓名： | 施明贤 杜刚强 毕明新 于广 宋卫东 |
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| 作者单位： | 烟台东方科技环保节能有限公司 |
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| 摘 要： | 本文主要介绍了采用DF5000高压变频器对热电厂引风机“一拖二”进行变频节能改造的方案和实际应用节能效果。DF5000高压变频器成功解决了1台变频器拖动2台电机（“～拖二”）及系统保护、飞车启动、工频／变频切换、系统连锁等问题。应用变频调速，不仅大大提高电机转速的控制精度，而且大大提高轻载运行时的工作效率，改造项目节能效果明显，具有良好的经济效益和社会效益。
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| 关 键 词： | 高压变频器 一拖二 节能改造 引风机 |
Application of High-voltage Inverter DF5000 One-Drag-Two Draft Fan in Power Plant |
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| Shi Mingxian Du Gangqiang Bi Mingxin Yu Guang Song Weidong.Application of High-voltage Inverter DF5000 One-Drag-Two Draft Fan in Power Plant[J].THE WORLD OF INVERTERS,2012(10):73-77. |
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| Authors: | Shi Mingxian Du Gangqiang Bi Mingxin Yu Guang Song Weidong |
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| Affiliation: | Shi Mingxian Du Gangqiang Bi Mingxin Yu Guang Song Weidong |
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| Abstract: | This paper introduced the energy saving scheme and the practical application of energy saving effect of high voltage inverter DF5000 on one-drag-two draft fans in thermal power plant. The high voltage inverter DF5000 resolved the problem of one inverter drag two motors, and also the system protection and speed regulation. Suggestions to improve induced draft fan start/stop control logic and furnace pressure control loop are analyzed. The financial analysis and comparison were made after the inverter renovation. DF5000 confirmed obvious effect of transformation of the boiler induced draft fan. The electricity saving effect is good. |
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| Keywords: | High-voltage inverter One-drag-two Energy saving Draft fan |
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