【摘要】：對500kV超高壓主網(wǎng)架輸電線路采用等電位帶電作業(yè)方式提高設(shè)備狀況,已經(jīng)成為輸電線路狀態(tài)檢修的重要檢修策略,也是電網(wǎng)發(fā)展和供電可靠性的必然需求。而多回路超高壓輸電線路的塔頭緊湊布置型式又對帶電作業(yè)的電氣安全距離的控制帶來困難,因此需要為500kV同塔多回輸電線路的帶電作業(yè)方案的模擬、校核提供一個(gè)可視的、快速模擬的平臺,為帶電作業(yè)最關(guān)鍵的進(jìn)電場過程提供符合現(xiàn)場實(shí)際情況的三維可視化的模擬。三維可視化技術(shù)的發(fā)展,結(jié)合科學(xué)計(jì)算可視化和虛擬現(xiàn)實(shí)技術(shù),同時(shí)利用輸電線路信息和地理信息,為輸電線路的三維可視化提供了技術(shù)支撐。論文探討了利用多源激光雷達(dá)測量技術(shù)對輸電線路進(jìn)行三維數(shù)據(jù)采集,精細(xì)三維建模;實(shí)現(xiàn)塔頭工頻電場分布計(jì)算模擬和帶電作業(yè)仿真模擬及安全距離的實(shí)時(shí)量測展示;探討了三維可視化系統(tǒng)環(huán)境搭建、實(shí)現(xiàn)三維模型數(shù)據(jù)無縫集成、三維瀏覽查詢等三個(gè)主要問題。論文按照面向?qū)ο蟮能浖_發(fā)要求調(diào)查分析了系統(tǒng)的具體需求與系統(tǒng)設(shè)計(jì)方案,在需求分析階段,通過用例圖、業(yè)務(wù)流程等方法詳細(xì)闡述了系統(tǒng)需實(shí)現(xiàn)的主要功能;在系統(tǒng)設(shè)計(jì)階段,提出了多層體系的系統(tǒng)總體架構(gòu)和B/S技術(shù)結(jié)構(gòu),描述了數(shù)據(jù)處理、三維模擬、瀏覽查詢等主要系統(tǒng)模塊的設(shè)計(jì),介紹了系統(tǒng)數(shù)據(jù)庫的設(shè)置情況;在系統(tǒng)實(shí)現(xiàn)階段,簡述了系統(tǒng)開發(fā)環(huán)境和軟硬件環(huán)境配置,描述了系統(tǒng)功能的實(shí)現(xiàn)過程,和部分界面截圖及實(shí)現(xiàn)代碼。最終實(shí)現(xiàn)了500kV同塔多回輸電線路帶電作業(yè)的進(jìn)電場過程的三維可視化模擬。
[Abstract]:It has become an important maintenance strategy for 500kV UHV main transmission lines to improve the equipment condition by using equipotential live working mode, and it is also an inevitable requirement for the development of power network and the reliability of power supply. However, the compact arrangement of tower heads of multi-circuit UHV transmission lines makes it difficult to control the electrical safety distance of live operation. Therefore, it is necessary to provide a visual method for the simulation and verification of live operation schemes of 500kV multi-circuit transmission lines with the same tower. The platform of rapid simulation provides 3D visual simulation in accordance with the actual situation of the field for the most critical electric field process in live operation. With the development of 3D visualization technology, combined with scientific computation visualization and virtual reality technology, transmission line information and geographic information are used to provide technical support for 3D visualization of transmission lines. This paper discusses the use of multi-source lidar measurement technology for transmission line 3D data acquisition, fine three-dimensional modeling, tower head power frequency electric field distribution simulation, live operation simulation and real-time measurement of safe distance display. In this paper, three main problems are discussed, such as the construction of 3D visualization system environment, the seamless integration of 3D model data and the 3D browsing query. According to the requirements of object-oriented software development, the paper investigates and analyzes the specific requirements of the system and the system design scheme. In the stage of requirement analysis, the main functions of the system are described in detail by means of use case diagram and business process. In the stage of system design, the system architecture and B / S technology structure of multi-layer system are put forward, the design of main system modules such as data processing, 3D simulation, browse and query are described, and the setting of system database is introduced. In the phase of system realization, the configuration of system development environment and software and hardware environment is briefly described, and the realization process of system function, some interface screenshots and implementation code are described. Finally, the 3D visualization simulation of the electric field process of 500kV multi-circuit transmission line with same tower is realized.
【學(xué)位授予單位】：電子科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TM755

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