| 基于S7300 PLC的变频调速恒压供水系统设计 |
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| 引用本文： | 张文彬,邓亮,刘萍.基于S7300 PLC的变频调速恒压供水系统设计[J].上海电力学院学报,2020,36(6):535-540. |
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| 作者姓名： | 张文彬 邓亮 刘萍 |
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| 作者单位： | 上海电力大学 自动化工程学院;广东博智林机器人有限公司 建筑机器人研究二院;桂林电子科技大学 智能综合自动化高校重点实验室 |
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| 基金项目： | 国家自然科学基金（61304134）；上海市自然科学基金（13ZR1455000）；智能综合自动化高校重点实验室基金（GXZDSY2017-01）。 |
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| 摘 要： | 为了提高供水的可靠性和稳定性，设计了一套基于西门子S7-300系列可编程逻辑控制器（PLC）的变频调速恒压供水系统。该系统根据实际用水需求设计控制方案，采用优化的阶梯控制和PID控制策略将管网压力控制在标准范围内。在STEP 7与WinCC Flexible环境下联合仿真，并通过以太网和PROFIBUS连接实物进行实际调试。结果表明，该系统改善了供水质量，减小了设备与能源损耗，获得了较高的控制精度。
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| 关 键 词： | 可编程逻辑控制器 变频调速 恒压供水 PID控制 |
| 收稿时间： | 2019/4/2 0:00:00 |
Design of S7300 PLC Based Variable Frequency Drive Constant Pressure Water Supply System |
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| ZHANG Wenbin,DENG Liang,LIU Ping.Design of S7300 PLC Based Variable Frequency Drive Constant Pressure Water Supply System[J].Journal of Shanghai University of Electric Power,2020,36(6):535-540. |
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| Authors: | ZHANG Wenbin DENG Liang LIU Ping |
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| Affiliation: | School of Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China;Research Institute II of Construction Robotics, Guangdong Bright Dream Robotics Co., Ltd., Foshan, Guangdong 528000, China;Key Laboratory of Intelligent Integrated Automation, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China |
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| Abstract: | To improve reliability and stability of water supply,a Siemens S7-300 PLC based variable frequency drive constant pressure water supply system is designed.The control scheme of the system is put forward in terms of actual water demand.Optimized step control and PID control strategies are employed to regulate the pressure of the pipeline network within a standard range.Test results show the quality of water supply has been improved,the losses of equipments and energy have been reduced,and a higher control precision has been acquired through joint simulation of STEP 7 and WinCC Flexible and actual debugging conducted by physical connection via Ethernet and PROFIBUS. |
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| Keywords: | programmable logic controller variable frequency drive constant pressure water supply PID control |
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