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Research and Exploration in Laboratory  2017, Vol. 36 Issue (5): 135-138    DOI:
Application of Computer Technology Current Issue | Archive | Adv Search |
Design of Monitoring System with Unattended Distributive Frequency Conversion Heat-exchange Station
Lirong XIE1(), Zhihuang WEI2, Jing CHENG1
1. College of Electrical Engineering, Xinjiang University, Urumqi 830047, China
2. School of Automation, Northwestern Polytechnical University, Xi’an 710072, China
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Abstract  

Based on the heat-exchange station of Urumqi city Ronghe Qingjian heating company, this paper gave method to determine the pumps arrangement of the distributed system, by using distributed frequency conversion. Then, many dynamic windows of the heat-exchange station were established in the use of the MCGS configuration software on the basic of the data and graphics on site. Besides, PLC realized the functions of primary and secondary heat networks’ data acquisition and processing, communication with touch screen, and the setpoint control. In order to achieve the function of communication with the monitor center, the RS485/TCP module was used via the Modbus protocol, then, the monitor center achieved the function for every heat-exchange station with ‘three remote’ operation. The result of filed operation shows that this system is stable, the effect of energy saving is significant, successful solves the problem that different public buildings need different heat demand in different period. It is economic, comfort and energy saving.

Key wordsheat-exchange station      distributed frequency conversion technology      programmble logic controller(PLC)      operational strategy     
Received: 10 September 2016      Published: 10 July 2017
ZTFLH:  TP391  
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Lirong XIE
Zhihuang WEI
Jing CHENG
Cite this article:   
Lirong XIE,Zhihuang WEI,Jing CHENG. Design of Monitoring System with Unattended Distributive Frequency Conversion Heat-exchange Station[J]. Research and Exploration in Laboratory, 2017, 36(5): 135-138.
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http://www.qk.sjtu.edu.cn/rel/EN/     OR     http://www.qk.sjtu.edu.cn/rel/EN/Y2017/V36/I5/135
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