| 冷水循环泵变频改造的设计 |
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| 引用本文： | 吕素英,李钟慎. 冷水循环泵变频改造的设计[J]. 华侨大学学报(自然科学版), 2009, 30(1) |
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| 作者姓名： | 吕素英 李钟慎 |
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| 作者单位： | 华侨大学,机电及自动化学院,福建,泉州,362021;华侨大学,机电及自动化学院,福建,泉州,362021 |
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| 基金项目： | 泉州市科技计划重点项目 |
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| 摘 要： | 分析冷水循环泵的工作现状,利用变频器将传统循环供水系统改造成变频调速式系统,实现平滑的软启动和软停车,以减少对电网的冲击.设计一台变频器控制两台水泵的方案,由冷水循环泵、变频器,以及扩展控制回路共同构成一个闭环控制系统.结果表明,变频改造后,闭环控制系统能够较好地对水泵进行控制和监测,实时反馈压力的变化并做出准确、迅速的判断和动作,保证系统的恒压供水.
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| 关 键 词： | 变频调速 冷水循环泵 闭环控制系统 技术改造 |
Design of Frequency Conversion Transformation for the Cold Water Circulating Pump |
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| L Su-ying,LI Zhong-shen. Design of Frequency Conversion Transformation for the Cold Water Circulating Pump[J]. Journal of Huaqiao University(Natural Science), 2009, 30(1) |
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| Authors: | L Su-ying LI Zhong-shen |
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| Affiliation: | College of Mechanical Engineering and Automation;Huaqiao University;Quanzhou 362021;China |
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| Abstract: | After the analysis of the current working status of the cold water circulating pump,the technological transformation of the traditional water supply control system is implemented into a variable-frequency speed regulating system using a converter to realize smooth soft-start and soft-stop and reduce the impact on the electric network.A closed-loop control system composed of the cold water circulating pump,the converter and the extended circuit,is designed so that a converter could control 2 pumps.The experi... |
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| Keywords: | variable-frequency speed regulating cold water circulating pump closed-loop control system transformation |
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