多绕组变压器复合短路阻抗与环流计算*
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李世军, 黄超, 夏湘滨, 杨佳意, 邝孝威, 张彬, 陈懿媛, 郭盈
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Calculation of Composite Short-circuit Impedance and Circulating Current of Multi-winding Transformer
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LI Shijun, HUANG Chao, XIA Xiangbin, YANG Jiayi, KUANG Xiaowei, ZHANG Bin, CHEN Yiyuan, GUO Ying
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表2 复合短路阻抗和短路环流的计算值与实际测量值以及误差
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| 短路电流/A | 短路阻抗(%) | 误差(%) | | H1 | H2 | H3 | H4 | L1 | L2 | L3 | L4 | 计算值 | 实测值 | | H-L1 | -157.47 | 438.48 | -94.16 | -87.85 | -1 167.12 | 0 | 0 | 0 | 35.53 | 36.62 | 3.06 | | H-L2 | -101.82 | 372.76 | -83.1 | -88.84 | 0 | -1 167.12 | 0 | 0 | 35.64 | 36.7 | 2.97 | | H-L3 | -94.16 | -87.85 | -157.47 | 438.48 | 0 | 0 | -1 167.12 | 0 | 35.53 | 36.05 | 1.46 | | H-L4 | -83.1 | -88.84 | -101.82 | 372.76 | 0 | 0 | 0 | -1 167.12 | 35.64 | 36.25 | 1.71 | | H-L | -436.3 | 634.3 | -436.31 | 634.3 | -1 162.76 | -1 171.47 | -1 162.77 | -1 171.47 | 36.56 | 37.52 | 2.62 | | L1-L2 | 0 | 0 | 0 | 0 | 1 166.9 | -1 166.9 | 0 | 0 | 77.19 | 78.45 | 1.63 | | L1-L3 | 0 | 0 | 0 | 0 | 1 166.9 | 0 | -1 166.9 | 0 | 76.43 | 77.16 | 0.94 | | L1-L4 | 0 | 0 | 0 | 0 | 1 166.9 | 0 | 0 | -1 166.9 | 76.10 | 77.98 | 2.47 | | L2-L3 | 0 | 0 | 0 | 0 | 0 | 1166.9 | -1 166.9 | 0 | 76.10 | 77.86 | 2.31 | | L2-L4 | 0 | 0 | 0 | 0 | 0 | 1 166.9 | 0 | -1 166.9 | 77.19 | 76.95 | -0.69 | | L3-L4 | 0 | 0 | 0 | 0 | 0 | 0 | 1166.9 | -1 166.9 | 77.19 | 78.12 | 1.20 |
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