本文選題：柔性直流換流站設(shè)計(jì) + 直流系統(tǒng)電氣主接線��； 參考：《華北電力大學(xué)(北京)》2017年碩士論文

【摘要】：柔性直流輸電技術(shù)能解決目前交直流輸電面臨的諸多技術(shù)瓶頸,是構(gòu)建智能電網(wǎng)的重要技術(shù)手段。為滿足柔性直流輸電容量進(jìn)一步提升的需求,對大容量多端柔性直流系統(tǒng)換流站的設(shè)計(jì)勢在必行。本文的研究以目前正在規(guī)劃的張北可再生能源柔性直流電網(wǎng)示范工程為背景,開展3000MW柔性直流換流站的布置方案研究,分別從電氣主接線、主要設(shè)備選擇和分區(qū)域布置3個(gè)方面出發(fā),通過研究分析、仿真計(jì)算和分區(qū)域固化模塊等方法,提出了3000MW柔性直流換流站的布置的概念設(shè)計(jì),提出了該容量換流站采用雙極對稱+金屬回線,直流出線采用單母線接線的技術(shù)方案,明確了雙極對稱接線情況下?lián)Q流閥、直流斷路器、換流變等關(guān)鍵設(shè)備的選型,研究并提出了閥廳、戶外直流場和換流變區(qū)域3個(gè)模塊的布置方案,并以功能分區(qū)明確、布置方正為目的,得到了一個(gè)適應(yīng)3000MW柔性直流換流站的整體布置方案。本文的研究成果,對3000MW柔性直流換流站的布置起到了一定的指導(dǎo)作用,為今后實(shí)際大容量多端柔性直流換流站的工程實(shí)施提供了技術(shù)支持。
[Abstract]:Flexible direct current (HVDC) transmission technology can solve many technical bottlenecks faced by AC / DC transmission and is an important technical means to construct smart grid. In order to meet the need of further enhancing the capacity of flexible DC transmission, it is imperative to design the converter station of large capacity multi-terminal flexible DC system. In this paper, based on the demonstration project of Zhangbei flexible direct current network for renewable energy, the layout scheme of the 3000MW flexible DC converter station is studied, respectively from the main electrical connection. Based on three aspects of main equipment selection and sub-area layout, the conceptual design of 3000MW flexible DC converter station layout is put forward by means of research and analysis, simulation calculation and sub-area solidification module, etc. This paper puts forward the technical scheme that the capacity converter station adopts the bipolar symmetrical metal loop and the DC outlet using the single bus connection. The selection of the key equipment such as converter valve, DC circuit breaker, rheology and so on under the condition of bipolar symmetrical connection is defined. The layout scheme of three modules, valve hall, outdoor DC field and rheological exchange zone, is studied and put forward, and an overall layout scheme adapted to 3000MW flexible DC converter station is obtained for the purpose of clear functional partition and positive layout. The research results of this paper have played a guiding role in the layout of the 3000MW flexible DC converter station and provided technical support for the practical project implementation of the multi-terminal flexible DC converter station in the future.
【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】：TM721.1

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本文編號：2079110