發(fā)布時間：2019-03-30 20:56

【摘要】：輸變電設備無線監(jiān)測能充分滿足輸變電設備全面、實時、準確獲取信息的需求,其與物聯(lián)網(wǎng)技術結合,可為設備智能化、電網(wǎng)設備狀態(tài)檢修提供技術保障。由于傳統(tǒng)輸變電設備監(jiān)測系統(tǒng)在信息孤島、單一化、安全性等方面存在問題,所以在構建基于物聯(lián)網(wǎng)的輸變電設備監(jiān)測系統(tǒng)時需建立設備統(tǒng)一模型。同時考慮到輸變電設備監(jiān)測系統(tǒng)信息傳輸實時性的要求,需要研究通信網(wǎng)絡相關性能,如穩(wěn)定性、安全策略等問題,以提高設備的利用率和電網(wǎng)運行的安全性。本文結合我國輸變電設備物聯(lián)網(wǎng)無線監(jiān)測技術方面的發(fā)展,對輸變電設備與物聯(lián)網(wǎng)技術的結合情況進行了研究。首先,對物聯(lián)網(wǎng)相關關鍵技術進行歸納與分析,考慮到輸變電設備信號傳輸?shù)奶匦?選擇Zig Bee技術作為物聯(lián)網(wǎng)設計基礎。其次,對輸變電設備進行網(wǎng)絡建模,通過OPNET Modeler對網(wǎng)絡模型進行仿真實驗,從而實現(xiàn)了基于物聯(lián)網(wǎng)的輸變電設備無線監(jiān)測功能;另外,通過GSO(群搜索優(yōu)化算法)及WSN(無線傳感器網(wǎng)絡)等現(xiàn)代先進技術對網(wǎng)絡進行優(yōu)化,獲得最優(yōu)監(jiān)測網(wǎng)絡,為輸變電設備物聯(lián)網(wǎng)無線監(jiān)測技術提供技術支持。最后,以隆堯縣魏莊站節(jié)點溫度無線監(jiān)測系統(tǒng)為實例,對基于物聯(lián)網(wǎng)的輸變電無線監(jiān)測技術進行了驗證,并對此技術的應用進行了效益分析及可行性分析,指出了物聯(lián)網(wǎng)無線監(jiān)測技術在電力系統(tǒng)中的發(fā)展方向與光明前景。為智能電網(wǎng)、電網(wǎng)設備狀態(tài)檢修提供了技術支持與安全保障。
[Abstract]:Wireless monitoring of power transmission and transformation equipment can fully meet the requirements of comprehensive, real-time and accurate acquisition of information for transmission and transformation equipment. Combined with Internet of things technology, it can provide technical support for intelligent equipment and condition-based maintenance of power network equipment. Because the traditional monitoring system of transmission and transformer equipment has some problems in the aspects of information isolation, singleness, safety and so on, it is necessary to establish a unified model of equipment in constructing the monitoring system of transmission and transformer equipment based on Internet of things. Considering the requirement of real-time transmission of information in the monitoring system of transmission and transformation equipment, it is necessary to study the related performance of communication network, such as stability, security strategy, and so on, in order to improve the utilization rate of equipment and the security of power network operation. Based on the development of wireless monitoring technology for the Internet of things of power transmission and transformation equipment in China, the combination of transmission and transformation equipment and Internet of things technology is studied in this paper. Firstly, the key technologies related to the Internet of things are summarized and analyzed. Considering the characteristics of signal transmission of transmission and transformation equipment, Zig Bee technology is selected as the basis of Internet of things design. Secondly, the network model of power transmission and transformation equipment is modeled, and the network model is simulated by OPNET Modeler, thus the wireless monitoring function of transmission and transformation equipment based on Internet of things is realized. In addition, modern advanced technologies such as GSO (Group search Optimization algorithm) and WSN (Wireless Sensor Network) are used to optimize the network to obtain the optimal monitoring network, which provides technical support for the wireless monitoring technology of the Internet of things of power transmission and transformation equipment. Finally, taking the wireless temperature monitoring system of Weizhuang Station in Longyao County as an example, this paper validates the wireless monitoring technology of transmission and transformation based on Internet of things, and analyzes the benefit and feasibility of the application of this technology. The development direction and bright prospect of Internet of things wireless monitoring technology in power system are pointed out. It provides technical support and security guarantee for smart grid and state-of-the-art maintenance of power network equipment.
【學位授予單位】：華北電力大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TP391.44;TN929.5;TM507

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