Transformer turn-to-turn short circuit fault tracing method, storage medium and computer equipment

The invention provides a transformer turn-to-turn short circuit fault tracing method, a storage medium and computer equipment. The method comprises the following steps: acquiring an actual port current waveform when a transformer has a turn-to-turn short circuit fault; various estimated short circui...

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Hauptverfasser: PAN XINGYA, LIU JUN, LI XINZHUO, ZHAO LINJIE, NIU WEI, WANG SHUAIBING, LV QIANYONG, YIN WEILING, ZOU DIAO, XU SHURONG, XING YI, REN XIAODONG, YANG QI, ZHANG YIZHAO, XU KUI, ZHU JUNLIN, ZHU SHIJIAN, ZHAO XIAOHAN, LYU QIANSU, ZHANG JUNJIE, LI XIN, HUANG KEJIE, CHEN PEILONG, FU SHENGJUN, ZENG HUARONG, HUANG HUAN, LI KUN, ZHANG XUN, LI WENHAO, BAO LIANWEI, OUYANG ZEYU, GAO YONG, OUYANG GUANGZE, ZHONG YAO, MAO XIANYIN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention provides a transformer turn-to-turn short circuit fault tracing method, a storage medium and computer equipment. The method comprises the following steps: acquiring an actual port current waveform when a transformer has a turn-to-turn short circuit fault; various estimated short circuit reasons of the transformer sent by the transformer user are received; a transformer finite element model is constructed, the transformer finite element model comprises a winding, and the winding comprises a short-circuit part and a non-short-circuit part; for each pre-estimated short-circuit reason, according to the pre-estimated short-circuit reason, modeling a short-circuit part and a non-short-circuit part of a winding in the finite element model of the transformer in a segmented manner, and simulating the pre-estimated short-circuit reason by adopting the finite element model of the transformer subjected to the segmented modeling to obtain a simulation port current waveform of each pre-estimated short-circuit