本文關(guān)鍵詞： 佛山市南海區(qū)獅山鎮(zhèn) 負(fù)荷預(yù)測(cè) 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(lèi)型：學(xué)位論文

【摘要】：作為珠江三角洲乃至全國(guó)經(jīng)濟(jì)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(zhǎng)。而近年來(lái),電網(wǎng)的發(fā)展速度始終滯后于經(jīng)濟(jì)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(hù),又是電網(wǎng)的一個(gè)重要環(huán)節(jié)。因此,通過(guò)對(duì)配網(wǎng)的布局、結(jié)構(gòu)進(jìn)行優(yōu)化,最大程度滿(mǎn)足負(fù)荷發(fā)展,成為近年來(lái)電力研究者們關(guān)心的熱點(diǎn)問(wèn)題。本文通過(guò)對(duì)佛山市南海區(qū)獅山鎮(zhèn)現(xiàn)有的變電站、電網(wǎng)進(jìn)行分析,結(jié)合所有大型用戶(hù)報(bào)裝需求、政府對(duì)中心城區(qū)的規(guī)劃進(jìn)行負(fù)荷預(yù)測(cè)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(jì)方案,形成新建、改造工程項(xiàng)目庫(kù),并在此基礎(chǔ)上進(jìn)行了投資估算以及經(jīng)濟(jì)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(yùn)行中出現(xiàn)的各種問(wèn)題,并滿(mǎn)足用戶(hù)的報(bào)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(yùn)行更加的科學(xué)與合理,通過(guò)優(yōu)化配電網(wǎng)網(wǎng)架使其更加適應(yīng)地方經(jīng)濟(jì)發(fā)展,成為獅山鎮(zhèn)經(jīng)濟(jì)發(fā)展的可靠支撐,本文對(duì)南海區(qū)獅山鎮(zhèn)配電網(wǎng)進(jìn)行規(guī)劃設(shè)計(jì)。規(guī)劃內(nèi)容包括:對(duì)獅山鎮(zhèn)轄區(qū)目前配網(wǎng)的運(yùn)行狀況進(jìn)行分析、對(duì)2020年以前的新增負(fù)荷進(jìn)行預(yù)測(cè)、確定規(guī)劃設(shè)計(jì)的技術(shù)導(dǎo)則、完成規(guī)劃建設(shè)方案等幾個(gè)方面。第一,對(duì)南海區(qū)獅山鎮(zhèn)配電網(wǎng)的運(yùn)行現(xiàn)狀進(jìn)行分析,包括對(duì)電網(wǎng)運(yùn)行維護(hù)及設(shè)備指標(biāo)進(jìn)行分析、對(duì)目前電網(wǎng)設(shè)備的投運(yùn)與使用時(shí)間的統(tǒng)計(jì)、上級(jí)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(guò)對(duì)以上指標(biāo)的計(jì)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(yùn)行狀況是否良好、變壓器的的布局與供電半徑是否滿(mǎn)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(jì)劃。第二,根據(jù)大客戶(hù)的報(bào)裝需求、政府對(duì)地區(qū)的規(guī)劃方案來(lái)進(jìn)行負(fù)荷預(yù)算分析,包括對(duì)配電網(wǎng)及上級(jí)電源的最大負(fù)荷需求、實(shí)際使用負(fù)荷等數(shù)據(jù)的預(yù)測(cè)。通過(guò)預(yù)測(cè)結(jié)構(gòu)確定電源總量、供電范圍、電源點(diǎn)間聯(lián)絡(luò)情況等內(nèi)容。其中分析該地區(qū)內(nèi)未來(lái)負(fù)荷增長(zhǎng)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(jí)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(kāi)關(guān)房等配電網(wǎng)設(shè)備的布點(diǎn)位置,最終形成完整的規(guī)劃、設(shè)計(jì)方案,并形成具體的新建與改造項(xiàng)目庫(kù)。
[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(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類(lèi)號(hào)】：TM715

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