發(fā)布時間：2018-06-08 14:25

  本文選題：特高壓電網(wǎng) + 地磁感應電流　； 參考：《科學技術(shù)與工程》2014年32期

【摘要】：在相同感應地電場作用下,高電壓等級輸電線路的地磁感應電流(geomagnetically induced currents,GIC)比較大,交流特高壓電網(wǎng)建設使我國電網(wǎng)增加了1 000 k V電壓等級,綜合考慮線路長度、單位阻值等GIC影響因素,準確計算我國1000k V特高壓電網(wǎng)的GIC是重要研究課題。以我國三華特高壓電網(wǎng)為例,只考慮1 000 k V電壓等級網(wǎng)絡,建立GIC模型,計算了東向及北向感應地電場情況下特高壓電網(wǎng)變電站及輸電線路的GIC。計算結(jié)果表明,我國特高壓電網(wǎng)1 000 k V變電站中受GIC影響最大的變電站有錫盟,上海等特高壓變電站;另外我國特高壓電網(wǎng)輸電線路中GIC規(guī)劃計算數(shù)據(jù)偏大的有石家莊—濟南線路和南陽—長治(晉東南)線路等,應引起電網(wǎng)公司對GIC災害防治的重視。
[Abstract]:Under the action of the same induction electric field, the geomagnetically induced currents (GIC) of the high voltage grade transmission line is larger. The AC UHV power grid has increased the voltage level of 1000 K V in the power grid of our country, considering the GIC influence factors such as line length, unit block value and so on, and accurately calculating the 1000K V UHV power grid in China GIC is an important research topic. Taking China's three Watt High voltage power grid as an example, only considering 1000 K V voltage grade network and establishing GIC model, the GIC. calculation results of UHV power grid and transmission line under the eastward and northward induction electric field show that the largest change affected by GIC in the 1000 K V substation of UHV power grid in our country. The power station has Xion, Shanghai and other UHV substations. In addition, the data of GIC planning and calculation in the transmission lines of UHV power transmission lines in our country are Shijiazhuang Ji'nan line and Nanyang Changzhi (Southeast Shanxi) line and so on, which should arouse the attention of the Power Grid Corp to the prevention and control of GIC disaster.
【作者單位】： 新能源電力系統(tǒng)國家重點實驗室(華北電力大學);東北電力大學;
【基金】：國家自然科學基金項目(51177045) 國家863計劃項目(2012AA121005) 國家科技部國際合作計劃項目(2010DFA64680)資助
【分類號】：TM751;P318

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本文編號：1996102