本文選題：沖擊負(fù)荷 + 負(fù)荷建模��； 參考：《華北電力大學(xué)》2014年碩士論文

【摘要】：隨著現(xiàn)代工業(yè)的快速發(fā)展,電力系統(tǒng)中整流設(shè)備、電弧爐、電氣化鐵路牽引負(fù)荷等大容量、非線性電力負(fù)荷持續(xù)增加。這類電力負(fù)荷在時(shí)間上存在很強(qiáng)的不確定性,在效果上具有很強(qiáng)的沖擊性,在啟動(dòng)時(shí)會(huì)產(chǎn)生較大的瞬時(shí)功率,其值通常是額定功率的若干倍甚至數(shù)十倍。這種情況會(huì)導(dǎo)致電力系統(tǒng)發(fā)生瞬時(shí)過載現(xiàn)象,很大程度上影響地區(qū)電網(wǎng)的穩(wěn)定性。因此,研究刻畫電力系統(tǒng)中典型沖擊負(fù)荷特性,建立準(zhǔn)確合適的電力負(fù)荷模型,并分析其對(duì)區(qū)域電網(wǎng)影響是十分必要的。 本文首先總結(jié)分析了電力負(fù)荷建模傳統(tǒng)方法的優(yōu)缺點(diǎn)和適用性,總結(jié)了用于負(fù)荷建模的各種靜態(tài)、動(dòng)態(tài)負(fù)荷模型結(jié)構(gòu),以便提出合適的沖擊負(fù)荷模型。其次,分析一種典型沖擊負(fù)荷——牽引負(fù)荷的組成,根據(jù)相關(guān)數(shù)據(jù)得出機(jī)車通過牽引變電站供電范圍時(shí)的功率曲線,提出電氣化鐵路沖擊負(fù)荷模型。然后,研究了電力用戶中電弧爐冶煉硅鐵,電解鋁和電氣化鐵路機(jī)車的沖擊負(fù)荷生產(chǎn)特性、工藝流程、沖擊負(fù)荷特點(diǎn)及其可能會(huì)對(duì)地區(qū)電網(wǎng)產(chǎn)生的影響。最后,利用MATLAB建立正確而精準(zhǔn)的沖擊負(fù)荷模型后,對(duì)沖擊負(fù)荷對(duì)地區(qū)電網(wǎng)影響進(jìn)行仿真和分析。
[Abstract]:With the rapid development of modern industry, the large capacity of rectifier equipment, electric arc furnace, electrified railway traction load and so on, the nonlinear power load continues to increase. This kind of power load has strong uncertainty in time, strong impact in effect, and large instantaneous power during start-up, which is usually several times or even tens times of rated power. This situation will lead to transient overload of power system, which greatly affects the stability of regional power system. Therefore, it is necessary to study and depict the typical impact load characteristics of power system, establish an accurate and appropriate power load model, and analyze its impact on regional power network. In this paper, the advantages and disadvantages and applicability of the traditional methods of power load modeling are summarized, and various static and dynamic load model structures for load modeling are summarized in order to propose a suitable impact load model. Secondly, the composition of a typical impact load-traction load is analyzed. According to the relevant data, the power curve of locomotive passing through traction substation power supply range is obtained, and the electrified railway shock load model is put forward. Then, the production characteristics, technological process, impact load characteristics and possible effects of electric arc furnace smelting ferrosilicon, electrolytic aluminum and electrified railway locomotives are studied. Finally, the impact of impact load on regional power network is simulated and analyzed by using MATLAB to establish a correct and accurate impact load model.
【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】：2014
【分類號(hào)】：TM714

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 譚志強(qiáng),彭楚寧;沖擊負(fù)荷對(duì)電能計(jì)量的影響[J];電測(cè)與儀表;2003年01期

2 黃石柱,李建華,趙娟,夏道止;基于MATLAB的電力機(jī)車數(shù)字仿真模型[J];電力系統(tǒng)自動(dòng)化;2002年04期

3 顧丹珍;艾芊;陳陳;顧文;;沖擊負(fù)荷實(shí)用建模新方法[J];電力系統(tǒng)自動(dòng)化;2006年20期

4 楊少兵;吳命利;;電氣化鐵道牽引變電所負(fù)荷概率模型[J];電力系統(tǒng)自動(dòng)化;2010年24期

5 金群;李欣然;劉艷陽;陳輝華;唐外文;李培強(qiáng);;一種改進(jìn)遺傳算法及其在負(fù)荷建模中的應(yīng)用[J];電力系統(tǒng)及其自動(dòng)化學(xué)報(bào);2006年02期

6 鄒德旭;賀仁睦;司大軍;;負(fù)荷模型對(duì)電力系統(tǒng)動(dòng)態(tài)穩(wěn)定的影響[J];電力系統(tǒng)及其自動(dòng)化學(xué)報(bào);2011年01期

7 鄭劍云;丁志東;滕成龍;龔榮福;孫平輝;張鈺;;大容量低壓試驗(yàn)站沖擊負(fù)荷對(duì)電力系統(tǒng)影響的計(jì)算分析[J];低壓電器;2011年19期

8 葉海燕;宋明中;李振鋒;;區(qū)域電網(wǎng)有功沖擊負(fù)荷動(dòng)態(tài)控制系統(tǒng)開發(fā)[J];寶鋼技術(shù);2012年05期

9 李欣然,劉艷陽,陳輝華,唐外文,李培強(qiáng);遺傳算法與傳統(tǒng)優(yōu)化方法應(yīng)用于電力負(fù)荷建模的比較研究[J];湖南大學(xué)學(xué)報(bào)(自然科學(xué)版);2005年02期

10 李欣然;李培強(qiáng);金群;陳輝華;唐外文;;負(fù)荷建模參數(shù)辨識(shí)中綜合改進(jìn)遺傳算法的應(yīng)用[J];湖南大學(xué)學(xué)報(bào)(自然科學(xué)版);2007年02期

，

本文編號(hào)：1915837