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The Research and Realization of the City District Heating SCADA System

Author: XueGuiJun
Tutor: ShenBaoSuo；GeZhiHua
School: Tianjin University
Course: Electronics and Communication Engineering
Keywords: District Heating SCADA System The Cyclic Quantity Of The Heating Supplies The Balance Of Heating Network
CLC: TU995
Type: Master's thesis
Year: 2007
Downloads: 292
Quote: 4
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Abstract


The development of the City District Heating has been known as the sign of weighting the city’s modernization, and the management of the city district heating plays a important role in the development of the city district heating.The city district heating SCADA (Supervisory Control And Data Acquisition) system introduced in this paper, is based on the present situation that the management of heating relatively falls behind to heating technology in our country. It is according to the heating network’s characteristic in our country and in close integration with craft and control management of heating network, it takes the lead to propose heating network balanced method based on the linear system theory, just that using“The Cyclic Quantity Of The Heating Supplies”to adjust the balance of heating network. It has also adjusted the quantity of heat supplies at heat source, Realized entire heating network’s reasonable heating.In this paper, we have soluted several big essential technical questions of the city district heating SCADA (Supervisory Control And Data Acquisition) system. At first,we have established looking the weather heated scientific regulation theory, we have also changed traditional continually adjusting "heat source - heating network - thermal energy station" several times into centralized adjusting one time, fundamentally realized the goal that using the lowest energy consumption to achieving the best heating effect. It has thorough settled heating network balanced problem which has puzzled heating power companies several years. The second, it has established thermal energy station control system based on the industry PLC and hardware architecture science. This system’s compatibility and extension is strong, and its’function is reliable, it has also realized the coordinated linkage from heat source to thermal energy station. The third, the orrespondence and the compositing network are nimble, it can use optical fiber or telephone line or broadcasting station without line or GPRS and so on. It has strong compatibility, also it can Transmit data real-time, safely, reliably. The forth, the software designing mentality is clear, the redundance and extension are strong. It has also highlighted the forecast analysis function’s development. The software has based on historical data, it has unioned future weather’s changing, forecasted future entire network heating’s condition, so we can furtherly realize the unification mixes of the entire heating network.The city district heating SCADA system being built base on the above idea has already been used in many heating power companies and the effect is outstanding. We will promote the system in the further application and it is believed that this system will bring the new breakthrough to the city district heating.

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CLC: > Industrial Technology > Building Science > Municipal Engineering > Urban central heating
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