电力市场环境下电力用户电价特征提取和异常识别方法
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朱峰, 单超, 吴宁, 蔡奇新, 祝宇楠, 刘云鹏, 左强
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Feature Extraction and Anomaly Identification Method for Power Customer Price in Power Market Enviroment
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ZHU Feng, SHAN Chao, WU Ning, CAI Qixin, ZHU Yunan, LIU Yunpeng, ZUO Qiang
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表2 3种聚类算法对比
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Tab.2 Comparison of three clustering algorithms
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| 分类数量 | k-means聚类 | | 层次聚类 | | 谱聚类 | | CH指标 | 收敛时间/s | CH指标 | 收敛时间/s | CH指标 | 收敛时间/s | | 2 | 295.26 | 3.51 | | 95.43 | 10.19 | | 422.60 | 1.91 | | 3 | 305.41 | 2.89 | | 109.78 | 8.76 | | 440.34 | 1.95 | | 4 | 253.64 | 4.81 | | 88.72 | 9.96 | | 412.20 | 3.44 | | 5 | 204.93 | 5.22 | | 77.09 | 8.41 | | 364.24 | 4.34 | | 6 | 188.46 | 6.21 | | 69.76 | 8.69 | | 321.66 | 6.37 | | 7 | 192.49 | 6.81 | | 64.21 | 9.03 | | 296.30 | 5.16 | | 8 | 177.18 | 7.80 | | 59.95 | 9.02 | | 278.04 | 4.69 | | 9 | 171.84 | 7.03 | | 57.08 | 8.53 | | 258.66 | 5.31 | | 10 | 153.04 | 7.22 | | 54.27 | 8.44 | | 247.54 | 6.09 |
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