赵启承,张波,洪金琪,韩国文,韩文芳,陈锋

• 1:国网浙江省电力有限公司电力科学研究院
• 2:国网浙江省电力有限公司超高压分公司
• 3:国网浙江省电力有限公司绍兴供电公司
• 4:西安交通大学电气工程学院

摘要(Abstract)：

实际运行状态的干式空心电抗器在故障诊断时，减少故障误报率和漏报率是其研究的重点和难点。对此，提出基于加权朴素贝叶斯的干式空心电抗器状态评估方法。首先建立基于多物理场耦合的电抗器匝间短路故障仿真模型，并通过搭建电抗器运行试验平台验证了仿真方法的有效性；然后仿真和分析了多运行状态下电抗器电流幅值、电流谐波、阻抗角和热点温度等特征量变化规律，获取电抗器正常和已知故障样本集；最后提出基于多状态特征量的加权朴素贝叶斯电抗器状态评估方法。算例结果表明：该方法具有分类准确率高、训练样本少等优点，是电抗器运行状态识别和分类的有效方法。

关键词(KeyWords)： 干式空心电抗器;等效模型;加权朴素贝叶斯;状态评估

Abstract:

Keywords:

基金项目(Foundation): 国家电网公司总部科技项目（5500-202119131A-0-0-00）~~

作者(Author): 赵启承,张波,洪金琪,韩国文,韩文芳,陈锋

DOI: 10.19666/j.rlfd.202306040

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