輸電線路狀態(tài)在線監(jiān)測系統(tǒng)的設計與實現(xiàn)
本文選題:輸電線路 + 在線監(jiān)測 ; 參考:《西安理工大學》2017年碩士論文
【摘要】:輸電線路是電力系統(tǒng)中電能傳輸?shù)闹匾M成部分,保障其正常運行是整個電網(wǎng)穩(wěn)定運行的基礎。輸電線路地域分布廣泛,面臨著各種氣象環(huán)境和地理的影響,當遇到暴雨、雷電、冰雪、落物等自然及外部環(huán)境因素變化時,會導致線路短路、斷線故障,甚至發(fā)生倒塔事故,危及電力系統(tǒng)運行安全。傳統(tǒng)的維護方法難以保證線路的安全有效運行,因此,為提高輸電線路的管理水平,保障電力系統(tǒng)運行的可靠性,迫切需要一套性能可靠、功能豐富的輸電線路狀態(tài)在線監(jiān)測系統(tǒng)。論文在調查了目前我國輸電線路狀態(tài)監(jiān)測工作、深入研究輸電線路狀態(tài)監(jiān)測過程的基礎上,采用MVC設計模式和UML描述工具,以系統(tǒng)用例圖和軟件結構圖的方式完成了系統(tǒng)需求分析和總體框架設計,并對主站系統(tǒng)和終端設備之間的系統(tǒng)通信規(guī)約進行分析設計。利用Oracle數(shù)據(jù)庫、Java語言、SSH框架等,在MyEclipse環(huán)境下實現(xiàn)了包括系統(tǒng)管理、臺賬管理、實時監(jiān)測、數(shù)據(jù)報表等模塊的輸電線路狀態(tài)在線監(jiān)測系統(tǒng)。針對導線溫度監(jiān)測的重要性,論文最后采用雙因素無重復方差分析方法進行導線溫度和外界氣象因素關聯(lián)性分析實驗,詳細描述了外界氣象因素和導線溫度的關系以及導線溫度對輸電線路狀態(tài)的影響。論文研究并實現(xiàn)的輸電線路狀態(tài)在線監(jiān)測系統(tǒng)已經(jīng)投入市場并使用。該系統(tǒng)滿足了線路管理人員的工作需求,使工作人員可以實時掌握輸電線路運行狀態(tài),不僅大大提高了工作效率,還避免了一些危險狀況的發(fā)生,達到了預期研究的目的。
[Abstract]:Transmission line is an important part of electric power transmission in power system, and ensuring its normal operation is the basis of stable operation of the whole power network. Transmission lines are widely distributed in the region and face the influence of various meteorological environment and geography. When the natural and external environmental factors such as rainstorm, lightning, ice and snow, falling objects and other natural and external environmental factors change, it will lead to the short circuit of the line, break the line fault, and even the accident of toppling the tower. Endangers the safety of power system operation. The traditional maintenance method is difficult to ensure the safe and effective operation of the transmission line. Therefore, in order to improve the management level of the transmission line and ensure the reliability of the power system, a set of reliable performance is urgently needed. On-line monitoring system for transmission line condition with abundant functions. On the basis of investigating the current status monitoring of transmission lines in China and deeply studying the monitoring process of transmission lines, the paper adopts MVC design pattern and UML description tool. The system requirement analysis and the overall framework design are completed by using the system use case diagram and the software structure diagram, and the system communication protocol between the master station system and the terminal equipment is analyzed and designed. Using Oracle database Java language SSH framework, an on-line monitoring system of transmission line status is implemented in MyEclipse environment, including system management, account management, real-time monitoring, data report and other modules. In view of the importance of wire temperature monitoring, the correlation analysis between conductor temperature and external meteorological factors is carried out by means of double-factor non-repeated variance analysis method in the last part of the paper. The relationship between external meteorological factors and conductor temperature and the influence of conductor temperature on transmission line state are described in detail. The on-line monitoring system of transmission line condition studied and implemented in this paper has been put into market and used. The system meets the needs of line managers and enables them to grasp the operation state of transmission lines in real time. The system not only greatly improves the working efficiency, but also avoids the occurrence of some dangerous conditions, and achieves the purpose of expected research.
【學位授予單位】:西安理工大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:TP311.52;TM75
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