本文選題：監(jiān)控系統(tǒng)　切入點(diǎn)：電子式互感器　出處：《長沙理工大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

【摘要】：“十二五”期間,國家大力發(fā)展建設(shè)智能變電站,大約要完成5000座新站的建設(shè)和1000座老站的智能化改造,智能電網(wǎng)的發(fā)展對(duì)變電站智能化提出了更高的要求；監(jiān)控系統(tǒng)作為變電站二次系統(tǒng)重要的一環(huán),在智能變電站中占據(jù)了很重要的地位,監(jiān)控系統(tǒng)實(shí)現(xiàn)了對(duì)變電站全局的監(jiān)控和數(shù)據(jù)的共享。論文重點(diǎn)研究了典型220kV智能變電站監(jiān)控系統(tǒng)的網(wǎng)絡(luò)結(jié)構(gòu)、二次設(shè)備端口以及交換機(jī)的優(yōu)化問題。論文首先對(duì)典型220kV智能變電站的一次接線和設(shè)備進(jìn)行了分析和研究,根據(jù)實(shí)際情況,進(jìn)行了相應(yīng)設(shè)備的選擇,并詳細(xì)地分析了電子式互感器的原理和分類情況,依據(jù)典型220kV智能變電站各個(gè)間隔的情況,選擇了相應(yīng)的電子式電流互感器和電壓互感器。通過對(duì)變電站監(jiān)控系統(tǒng)的通信服務(wù)模型、保護(hù)測控一體化、保護(hù)跳閘和網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)等技術(shù)的分析研究,提出了典型220kV智能變電站監(jiān)控系統(tǒng)的網(wǎng)絡(luò)優(yōu)化方案。優(yōu)化方案主要從二次設(shè)備端口和光纖方面進(jìn)行了經(jīng)濟(jì)方面的考慮。從方案優(yōu)化的結(jié)果中可以看出：信息經(jīng)過網(wǎng)絡(luò)傳輸?shù)慕?jīng)濟(jì)性最佳。從工程實(shí)際應(yīng)用出發(fā),對(duì)三層兩網(wǎng)的網(wǎng)絡(luò)結(jié)構(gòu)各間隔的網(wǎng)絡(luò)進(jìn)行了綜合性優(yōu)化。在對(duì)典型220kV智能變電站監(jiān)控系統(tǒng)優(yōu)化的基礎(chǔ)上,繼續(xù)對(duì)交換機(jī)進(jìn)行了優(yōu)化,交換機(jī)優(yōu)化主要涉及到帶寬和數(shù)據(jù)流向的分配。通過對(duì)各間隔SV報(bào)文和GOOSE報(bào)文的流量分析,在滿足全站各個(gè)節(jié)點(diǎn)負(fù)載率的前提下,對(duì)全站帶寬進(jìn)行了分析優(yōu)化。根據(jù)帶寬和數(shù)據(jù)流向的分配結(jié)果,對(duì)交換機(jī)網(wǎng)絡(luò)端口進(jìn)行了統(tǒng)計(jì)分析,得出了最后交換機(jī)優(yōu)化結(jié)果。
[Abstract]:During the "12th Five-Year Plan" period, the country vigorously developed and built intelligent substation, about 5000 new stations and 1000 old stations will be built intelligently. The development of smart grid has put forward higher requirements for substation intelligence. As an important part of secondary substation system, monitoring system plays an important role in intelligent substation. The monitoring system realizes the overall monitoring and data sharing of the substation. This paper focuses on the network structure of the typical 220kV intelligent substation monitoring system. The paper first analyzes and studies the primary connection and equipment of a typical 220kV intelligent substation, and selects the corresponding equipment according to the actual situation. The principle and classification of electronic transformer are analyzed in detail. According to the situation of each interval of typical 220kV intelligent substation, The corresponding electronic current transformer and voltage transformer are selected. Through the analysis of the communication service model of substation monitoring system, the integration of protection, measurement and control, protection tripping and network topology, etc. The network optimization scheme of a typical 220kV intelligent substation monitoring system is put forward. The optimization scheme is mainly considered from the aspects of secondary equipment port and optical fiber. From the result of the scheme optimization, it can be seen that the information passed through. The economy of network transmission is the best. Based on the optimization of the monitoring system of a typical 220kV intelligent substation, the switch is continuously optimized. Switch optimization mainly involves the allocation of bandwidth and data flow direction. By analyzing the traffic of SV packets and GOOSE packets at each interval, the load rate of each node in the whole station is satisfied. The bandwidth of the whole station is analyzed and optimized. According to the distribution result of bandwidth and data flow, the network port of switch is statistically analyzed, and the final result of switch optimization is obtained.
【學(xué)位授予單位】：長沙理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TM63;TM76

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本文編號(hào)：1620512