【摘要】：配電設(shè)備檢修目前普遍應(yīng)用的是計劃檢修模式,但周期性計劃檢修會造成檢修不足從而造成設(shè)備的故障損壞,影響電網(wǎng)可靠穩(wěn)定的運行,還會造成檢修過剩,產(chǎn)生不必要的停電,造成人力物力的資源浪費,降低勞動生產(chǎn)率。狀態(tài)檢修以設(shè)備當前的實際運行狀況為依據(jù),通過狀態(tài)監(jiān)測手段并利用計算機網(wǎng)絡(luò)及通信技術(shù),對設(shè)備的歷史狀況、當前狀況以及同類設(shè)備的運行狀況進行比較分析,判斷設(shè)備的異常,識別設(shè)備故障的早期征兆,對故障部位嚴重程度及發(fā)展趨勢做出判斷,從而確定其在故障發(fā)生前最佳檢修時機。本文調(diào)研分析國內(nèi)外相關(guān)研究現(xiàn)狀,從種類繁多的配電設(shè)備中,梳理需要進行狀態(tài)評價的重要配電設(shè)備;分析這些配電設(shè)備所涉及的相關(guān)狀態(tài)量,篩選出對其健康狀態(tài)有較大直接影響的關(guān)鍵狀態(tài)量,研究設(shè)備關(guān)鍵狀態(tài)量的綜合監(jiān)測方法,研發(fā)集多狀態(tài)量的綜合傳感監(jiān)測裝置套件,研究監(jiān)測裝置套件在不同配電設(shè)備上的部署方式。根據(jù)無源聲表面波技術(shù)的應(yīng)用現(xiàn)狀,研究其在配電設(shè)備在線監(jiān)測中的傳感和測量技術(shù),以及基于聲表面波無源無線溫度采集方案,同時研發(fā)配電設(shè)備在線監(jiān)測裝置。分析適用于配電設(shè)備關(guān)鍵狀態(tài)量監(jiān)測的通信技術(shù),面向設(shè)備關(guān)鍵狀態(tài)監(jiān)測構(gòu)建通信網(wǎng)絡(luò)架構(gòu)。針對開關(guān)柜、電纜等重要配電設(shè)備,研究其運行環(huán)境信息與設(shè)備運檢信息等非設(shè)備狀態(tài)信息,挖掘其與設(shè)備健康狀態(tài)的影響關(guān)系,建立集設(shè)備狀態(tài)、運檢狀態(tài)、環(huán)境狀態(tài)為一體的全方位評價指標體系;結(jié)合大量歷史數(shù)據(jù)以及故障分析結(jié)果,分析設(shè)備關(guān)鍵狀態(tài)量與其健康狀態(tài)水平之間的映射關(guān)系,提出重要配電設(shè)備的狀態(tài)評價標準,構(gòu)建配電設(shè)備狀態(tài)綜合評價體系。并用于指導(dǎo)配電設(shè)備狀態(tài)監(jiān)測、評價與檢修。通過本文的研究與應(yīng)用,對促進配電設(shè)備的狀態(tài)監(jiān)測、評價與檢修工作,對提高設(shè)備健康水平、保證電網(wǎng)安全、可靠運行具有重要意義。
[Abstract]:At present, the mode of planned maintenance is widely used in the maintenance of distribution equipment, but periodic scheduled maintenance will lead to insufficient maintenance, which will result in the failure and damage of the equipment, affect the reliable and stable operation of the power network, and also cause the oversupply of maintenance. Generating unnecessary power outages, resulting in a waste of human and material resources, reducing labor productivity. Based on the actual operating condition of the equipment, the paper compares and analyzes the historical condition, the current condition and the operation condition of the same kind of equipment by means of condition monitoring and using computer network and communication technology. Judging the anomaly of equipment, identifying the early signs of equipment failure, judging the severity and development trend of the fault location, and determining the best repair time before the fault occurs. This paper investigates and analyzes the current situation of relevant research at home and abroad, combing the important distribution equipment that needs to be evaluated from a wide variety of distribution equipment. This paper analyzes the relevant state quantities involved in these distribution equipments, screens out the critical state quantities which have a greater direct impact on their health, studies the comprehensive monitoring methods of the critical state quantities of the equipment, and develops a set of integrated sensor monitoring devices with multi-state quantities. To study the deployment of monitoring device suite on different distribution equipment. According to the application status of passive saw technology, the sensor and measurement technology in on-line monitoring of distribution equipment, and the passive wireless temperature acquisition scheme based on saw are studied. At the same time, the on-line monitoring device of distribution equipment is developed. This paper analyzes the communication technology suitable for monitoring the critical state of distribution equipment, and constructs the communication network architecture for the monitoring of the critical state of the distribution equipment. In view of the important distribution equipment such as switchgear and cable, this paper studies the non-equipment state information such as the operation environment information and the equipment operation and inspection information, excavates the influence relation between the operation environment information and the equipment health state, establishes the collection equipment state, the operation inspection state, etc. The comprehensive evaluation index system of environmental state; Based on a large number of historical data and fault analysis results, this paper analyzes the mapping relationship between the critical state quantity of equipment and its health state level, puts forward the state evaluation criteria of important distribution equipment, and constructs a comprehensive evaluation system of distribution equipment state. And used to guide the distribution equipment condition monitoring, evaluation and maintenance. Through the research and application of this paper, it is of great significance to promote the condition monitoring, evaluation and maintenance of distribution equipment, to improve the health level of equipment, to ensure the safety and reliable operation of power grid.
【學位授予單位】：華北電力大學(北京)
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TM64

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