本文關(guān)鍵詞： 佛山市南海區(qū)獅山鎮(zhèn) 負(fù)荷預(yù)測 網(wǎng)架規(guī)劃 投資估算　出處：《華北電力大學(xué)》2016年碩士論文　論文類型：學(xué)位論文

【摘要】：作為珠江三角洲乃至全國經(jīng)濟最發(fā)達(dá)的地區(qū)之一,佛山市工業(yè)用電、居民用電的需求飛速增長。而近年來,電網(wǎng)的發(fā)展速度始終滯后于經(jīng)濟發(fā)展,造成了地區(qū)發(fā)展的瓶頸。而10kV配電網(wǎng)聯(lián)系著用戶,又是電網(wǎng)的一個重要環(huán)節(jié)。因此,通過對配網(wǎng)的布局、結(jié)構(gòu)進行優(yōu)化,最大程度滿足負(fù)荷發(fā)展,成為近年來電力研究者們關(guān)心的熱點問題。本文通過對佛山市南海區(qū)獅山鎮(zhèn)現(xiàn)有的變電站、電網(wǎng)進行分析,結(jié)合所有大型用戶報裝需求、政府對中心城區(qū)的規(guī)劃進行負(fù)荷預(yù)測結(jié)果,確定了獅山鎮(zhèn)中心城區(qū)中低壓配電網(wǎng)規(guī)劃設(shè)計方案,形成新建、改造工程項目庫,并在此基礎(chǔ)上進行了投資估算以及經(jīng)濟性比較,據(jù)此優(yōu)化配電網(wǎng)絡(luò)結(jié)構(gòu),解決目前電網(wǎng)運行中出現(xiàn)的各種問題,并滿足用戶的報裝需求。為了使南海區(qū)獅山鎮(zhèn)10kV配電網(wǎng)的建設(shè)與運行更加的科學(xué)與合理,通過優(yōu)化配電網(wǎng)網(wǎng)架使其更加適應(yīng)地方經(jīng)濟發(fā)展,成為獅山鎮(zhèn)經(jīng)濟發(fā)展的可靠支撐,本文對南海區(qū)獅山鎮(zhèn)配電網(wǎng)進行規(guī)劃設(shè)計。規(guī)劃內(nèi)容包括:對獅山鎮(zhèn)轄區(qū)目前配網(wǎng)的運行狀況進行分析、對2020年以前的新增負(fù)荷進行預(yù)測、確定規(guī)劃設(shè)計的技術(shù)導(dǎo)則、完成規(guī)劃建設(shè)方案等幾個方面。第一,對南海區(qū)獅山鎮(zhèn)配電網(wǎng)的運行現(xiàn)狀進行分析,包括對電網(wǎng)運行維護及設(shè)備指標(biāo)進行分析、對目前電網(wǎng)設(shè)備的投運與使用時間的統(tǒng)計、上級電源的負(fù)載率情況、變電站10kV出線間隔的使用率分析等內(nèi)容。通過對以上指標(biāo)的計算分析,可以得出10kV配電網(wǎng)的結(jié)構(gòu)是否合理、設(shè)備的運行狀況是否良好、變壓器的的布局與供電半徑是否滿足要求、各變電站承擔(dān)的負(fù)荷是否均衡等結(jié)論,從而確定規(guī)劃方案的思路與方向,并制定下一步工作計劃。第二,根據(jù)大客戶的報裝需求、政府對地區(qū)的規(guī)劃方案來進行負(fù)荷預(yù)算分析,包括對配電網(wǎng)及上級電源的最大負(fù)荷需求、實際使用負(fù)荷等數(shù)據(jù)的預(yù)測。通過預(yù)測結(jié)構(gòu)確定電源總量、供電范圍、電源點間聯(lián)絡(luò)情況等內(nèi)容。其中分析該地區(qū)內(nèi)未來負(fù)荷增長情況則是電源及線路供電分區(qū)劃分、確定電源容量的基礎(chǔ)。最后,確定具體的新建、改造方案。具體內(nèi)容為上級變電站的電源容量與建設(shè)周期、高、中壓線路的線行位置及變壓器、配電房、開關(guān)房等配電網(wǎng)設(shè)備的布點位置,最終形成完整的規(guī)劃、設(shè)計方案,并形成具體的新建與改造項目庫。
[Abstract]:As one of the most economically developed areas in the Pearl River Delta and even in the whole country, the demand for electricity for industrial use in Foshan City has increased rapidly. However, in recent years, the development of the power grid has lagged behind the economic development. The 10kV distribution network is connected with users and is an important link of the power network. Therefore, by optimizing the distribution network layout and structure, the load development can be met to the greatest extent. In recent years, electric power researchers have been concerned about the hot issues. Through the analysis of the existing substations and power grids in Shishan Town, Nanhai District, Foshan City, combined with all the large users to report the demand, The government carries on the load forecast result to the central city planning, has determined the plan design plan of the middle and low voltage distribution network in the center of Shishan town, forms the new construction, the reconstruction project bank, and carries on the investment estimate and the economical comparison on this basis. In order to optimize the distribution network structure, solve all kinds of problems in the current power network operation, and meet the needs of users, in order to make the construction and operation of 10 kV distribution network in Shishan Town, Nanhai District, more scientific and reasonable, By optimizing the distribution network to make it more suitable for local economic development, it has become a reliable support for the economic development of Shishan Town. In this paper, the distribution network of Shishan Town in Nanhai District is planned and designed. The planning contents include: analyzing the running condition of distribution network in Shishan Town area, forecasting the new load before 2020, and determining the technical guidelines for planning and design. To complete the planning and construction plan and other aspects. First, to analyze the current situation of the distribution network in Shishan Town, Nanhai District, including the operation and maintenance of the power network and the equipment indicators, and the statistics of the operation and service time of the current power network equipment. Through the calculation and analysis of the above indexes, it can be concluded whether the structure of the 10kV distribution network is reasonable, whether the operation of the equipment is good, Whether the layout of transformer and the radius of power supply meet the requirements, whether the load of each substation is balanced or not, so as to determine the train of thought and direction of the planning scheme, and draw up the next work plan. Second, according to the demand of the major customers, The government carries on the load budget analysis to the district planning plan, including the forecast to the distribution network and the superior power supply maximum load demand, the actual use load and so on data. Through the forecast structure to determine the power supply total quantity, the power supply range, Analysis of the future load growth in the area is the basis for the division of power supply and line power supply, and the determination of power supply capacity. Finally, the specific new construction is determined. The specific contents are the power supply capacity and construction cycle of higher substation, the line position of high and medium voltage line and the location of distribution network equipment such as transformer, distribution room, switch room, etc., and finally form a complete plan and design scheme. And forms the concrete new construction and the transformation project library.
【學(xué)位授予單位】：華北電力大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TM715

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