【摘要】：配電網(wǎng)規(guī)劃是電力系統(tǒng)研究領(lǐng)域中的一個重要內(nèi)容,為了保證電網(wǎng)改造的合理性和電網(wǎng)運行的安全性和經(jīng)濟性,提高配電網(wǎng)供電質(zhì)量,必須對其進行科學(xué)的優(yōu)化規(guī)劃。橋頭鎮(zhèn)位于東莞市東部,地理位置優(yōu)越,配套設(shè)施完善,交通便利,橋頭鎮(zhèn)定位為全國綜合實力千強鎮(zhèn)和中國荷花名鎮(zhèn),經(jīng)濟建設(shè)和文化事業(yè)的持續(xù)發(fā)展,鎮(zhèn)內(nèi)大力發(fā)展工業(yè)園區(qū)、房地產(chǎn)業(yè)及第三產(chǎn)業(yè)的建設(shè),綠色節(jié)能高效的電量需求跳躍式增長,對電網(wǎng)供電能力的要求不斷提高,中低壓配電網(wǎng)規(guī)劃工作顯得格外重要。本論文首先通過對東莞橋頭鎮(zhèn)社會經(jīng)濟發(fā)展情況的研究,詳細分析東莞橋頭鎮(zhèn)的歷史用電需求、電源現(xiàn)狀、中低配電網(wǎng)現(xiàn)狀,總結(jié)東莞市橋頭鎮(zhèn)中低配電網(wǎng)運行存在的主要問題,提出問題的成因以及規(guī)劃解決的思路。其次,基于東莞市橋頭鎮(zhèn)近兩年的負(fù)荷報裝數(shù)據(jù),參考當(dāng)?shù)亟?jīng)濟發(fā)展規(guī)劃、重點區(qū)域規(guī)劃和重大項目建設(shè)進度。采用報裝負(fù)荷法和年增長率與最大負(fù)荷利用小時數(shù)相結(jié)合的預(yù)測方法,對橋頭鎮(zhèn)總量負(fù)荷進行預(yù)測,對逐年橋頭鎮(zhèn)負(fù)荷水平進行預(yù)測,通過供電區(qū)分類對預(yù)測結(jié)果進行校驗,得到出未來年橋頭鎮(zhèn)負(fù)荷及電量數(shù)據(jù)。再次,結(jié)合上級變電站規(guī)劃結(jié)果和供電范圍,擬出了“十三五”期間新出線路規(guī)劃方案和中低壓配電網(wǎng)規(guī)劃方案,并對中低壓規(guī)劃方案進行分析,得到橋頭鎮(zhèn)2015年至2020年中低壓配電網(wǎng)項目規(guī)劃的重點。最后,根據(jù)橋頭鎮(zhèn)中低配電網(wǎng)改造及基建項目進度、建設(shè)規(guī)模及投資單價,估算出“十三五”期間橋頭鎮(zhèn)中低配電網(wǎng)總投資,分析評估橋頭鎮(zhèn)中低配電網(wǎng)現(xiàn)狀存在問題的解決程度及可靠性和線損率指標(biāo)。
[Abstract]:Distribution network planning is an important content in the field of power system research. In order to ensure the rationality of power network transformation and the safety and economy of power network operation and improve the power supply quality of distribution network, it is necessary to carry out scientific optimization planning. Qiaotou Town is located in the east of Dongguan City, with excellent geographical location, perfect supporting facilities and convenient transportation. Qiaotou Town has been positioned as one of the most powerful towns in the country with comprehensive strength and famous lotus towns in China, with the sustained development of economic construction and cultural undertakings. It is very important to develop the industrial park, the real estate industry and the third industry in the town, the green energy saving and high efficiency electricity demand leaps and bounds, the demand for the power supply ability of the power network is raised constantly, the planning work of the medium and low voltage distribution network is especially important. Firstly, through the research on the social and economic development of Qiaotou Town in Dongguan, this paper analyzes in detail the historical demand for electricity, the current situation of power supply, and the present situation of middle and low distribution network in Dongguan Qiaotou Town. This paper summarizes the main problems existing in the operation of middle and low distribution network in Qiaotou Town, Dongguan City, and puts forward the causes of the problems and the ideas of planning and solving. Secondly, based on the load data of Qiaotou Town in Dongguan City in the past two years, we refer to the local economic development plan, the key regional planning and the progress of major project construction. By using the forecasting method of load reporting and loading and combining the annual growth rate with the hours of maximum load utilization, the total load of Qiaotou Town is forecasted, the load level of Qiaotou Town is forecasted year by year, and the forecasting results are verified by the classification of power supply area. Get the data of load and electric quantity of bridgehead town in the coming year. Thirdly, according to the results of substation planning and the power supply range, the new line planning scheme and the middle and low voltage distribution network planning plan during the 13th Five-Year Plan period are drawn up, and the middle and low voltage planning schemes are analyzed. Qiaotou Town from 2015 to 2020 medium-low-voltage distribution network project planning focus. Finally, according to the progress of the middle and low distribution network reconstruction and the capital construction project, the scale of construction and the unit price of investment, the total investment in the middle and low distribution network of Qiaotou Town during the 13th Five-Year Plan period is estimated. This paper analyzes and evaluates the degree of solution, reliability and line loss rate index of the existing problems in the middle and low distribution network of Qiaotou Town.
【學(xué)位授予單位】：華南理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TM715

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