配电系统电压跌落状态估计中的不良数据辨识(4)
时间:2025-04-21
时间:2025-04-21
第34卷 第8期
电压幅值/V 电 网 技 术 73
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节点编号
图7 不同数据类型的估计电压
Fig. 7 Voltages estimated by different data types
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不良数据会导致电压跌落状态估计精度恶化,本文基于故障支路上各节点之间的紧密耦合关系,提出了电压跌落状态估计不良数据检测算法,构造了修正不良数据的数学模型,算例结果表明该算法能够有效提高电压跌落状态估计的精度。
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收稿日期:2009-10-27。 作者简介:
张国辉(1979—),男,硕士,研究方向为电力系统继电保护、电能质量等,E-mail:zhanggh959501@;
王宾(1978—),男,博士,助理研究员,研究方向为电力系统继电保护、电能质量监测分析等。
张国辉
(编辑 徐梅)
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