配電網(wǎng)安全邊界的產(chǎn)生機理
發(fā)布時間:2019-06-04 08:25
【摘要】:該文研究揭示了配電網(wǎng)安全邊界的形成機理。首先,定義了元件間的拓撲距離,根據(jù)N-X后兩饋線是否產(chǎn)生電氣連接以及故障后負荷轉(zhuǎn)帶路徑的不同,將饋線聯(lián)絡(luò)關(guān)系歸納為3大類:N-1聯(lián)系、N-2聯(lián)系和無聯(lián)系,并細分為7種。其次,在觀測饋線來自同一主變和不同主變的兩種情況下,分析了斜線邊界、直線邊界的產(chǎn)生原因,得出邊界數(shù)量計算公式。最后,總結(jié)得到7種網(wǎng)絡(luò)結(jié)構(gòu)與完整安全邊界二維視圖的對應(yīng)表,能無需仿真繪制安全域圖像或解析列寫邊界方程,直接按網(wǎng)絡(luò)結(jié)構(gòu)查表確定安全邊界的基本圖像?偨Y(jié)發(fā)現(xiàn)了安全邊界的形成機理和規(guī)律:當且僅當饋線聯(lián)絡(luò)為N-1聯(lián)系時才會出現(xiàn)斜線邊界;而直線邊界總是存在。邊界數(shù)由常量和變量兩部分構(gòu)成,斜線數(shù)常量隨拓撲距離增加而減少,直線數(shù)常量則相反。
[Abstract]:In this paper, the formation mechanism of distribution network security boundary is revealed. First of all, the topological distance between components is defined. According to whether the two feeder lines produce electrical connection and the difference of load transfer path after failure, the feeder contact relationship is divided into three categories: n 鈮,
本文編號:2492593
[Abstract]:In this paper, the formation mechanism of distribution network security boundary is revealed. First of all, the topological distance between components is defined. According to whether the two feeder lines produce electrical connection and the difference of load transfer path after failure, the feeder contact relationship is divided into three categories: n 鈮,
本文編號:2492593
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