【摘要】：隨著經(jīng)濟(jì)和城市的發(fā)展,城市電網(wǎng)改造需求和用戶不間斷供電需求、重大活動保電需求相矛盾,傳統(tǒng)停電檢修方式瓶頸凸顯,移動變電站作為智能電網(wǎng)的延伸,在電網(wǎng)升級改造、設(shè)備突發(fā)故障、高負(fù)荷季節(jié),基于其可移動性和快速性可高效保障城市電網(wǎng)安全運(yùn)作。本文作者基于銀川供電公司110k V的車載移動式變電站,介紹了車載移動式變電站高壓組合電器H-GIS、20MVA車載移動式變壓器、中低壓充氣開關(guān)柜、監(jiān)控與保護(hù)系統(tǒng)、一體化電源系統(tǒng)及運(yùn)輸車載系統(tǒng)等組成。分析了移動變電站的應(yīng)用類型和選型,對移動變電站的特殊設(shè)計(jì)如車輛、限高、限寬、限重進(jìn)行了闡述,重點(diǎn)研究并提出了基于移動變電站的旁路不停電技術(shù)及替換式組合應(yīng)用模式,同時(shí)進(jìn)行了典型化組合應(yīng)用分析給出了實(shí)現(xiàn)方案,構(gòu)建了基于移動變電站的旁路不停電檢修技術(shù)模型。對移動變電站應(yīng)用中的面向任務(wù)的虛擬管理組織模式、調(diào)控接入、運(yùn)行維護(hù)進(jìn)了可行性探討。通過移動變電站在銀川電網(wǎng)光華110k V變電站改造應(yīng)用,分析了移動變電站的典型模式選擇、負(fù)荷轉(zhuǎn)移對接、一、二次對接等問題的解決方案,分析技術(shù)創(chuàng)新與成果,評估新技術(shù)帶來的安全效益、經(jīng)濟(jì)效益�；谝苿幼冸娬镜呐月凡煌ｋ姍z修技術(shù)的研究不僅進(jìn)一步拓展了電網(wǎng)檢修傳統(tǒng)方式,通過安全高效的旁路不停電檢修作業(yè)技術(shù)體系,有效解決區(qū)域突發(fā)緊急用電、高負(fù)荷季節(jié)用電需求、大面積停電、自然災(zāi)害、設(shè)備突發(fā)故障的快速恢復(fù)等狀況下的供電可靠性,保持城市及電網(wǎng)發(fā)展協(xié)調(diào)同步,逐步實(shí)現(xiàn)停電作業(yè)向不停電作業(yè)模式轉(zhuǎn)變。
[Abstract]:With the development of economy and city, the demand of urban power grid transformation and the uninterrupted power supply demand of users, the contradiction between the demand of major activities, the bottleneck of the traditional power outage maintenance mode, the mobile substation as the extension of smart grid, During the upgrading of the power grid, the sudden failure of the equipment and the high load season, the safe operation of the urban power grid can be efficiently guaranteed based on its mobility and rapidity. Based on the on-board mobile substation of Yinchuan Power supply Co., Ltd., this paper introduces the mobile substation high-voltage combinatorial apparatus, the 20MVA on-board mobile transformer, the medium-low voltage gas-filled switchgear, the monitoring and protection system, and the control and protection system. Integrated power system and transportation vehicle system and other components. The application type and selection of mobile substation are analyzed. The special design of mobile substation such as vehicle, height, width and weight is described. The emphasis is placed on the research and development of the by-pass non-blackout technology based on mobile substation and the replacement combination application mode. At the same time, the typical combination application analysis is carried out and the realization scheme is given. The technical model of by-pass maintenance without blackout based on mobile substation is constructed. The feasibility of task-oriented virtual management organization mode, control access, operation and maintenance in mobile substation application is discussed. Based on the application of mobile substation in Guanghua 110kV substation of Yinchuan Power Network, the typical mode selection, load transfer and docking, primary and secondary docking of mobile substation are analyzed, and the technological innovation and achievements are analyzed. Evaluate the safety benefits and economic benefits of the new technology. The research of by-pass maintenance technology based on mobile substation not only further expands the traditional way of power grid maintenance, but also effectively solves the emergency power consumption in the area through the safe and efficient bypass maintenance technology system. The reliability of power supply under the conditions of high load seasonal demand, large area blackout, natural disaster, rapid recovery of equipment sudden failure etc., keeps the development of city and power grid in harmony and synchronizes, and gradually realizes the transformation from blackout operation to non-blackout operation mode.
【學(xué)位授予單位】：華北電力大學(xué)(北京)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TM63

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