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-  2018 

干式空心并联电抗器过热性故障温度场耦合计算与分析 Coupling calculation and analysis of temperature field of dry-type air-core shunt reactor during overheat fault

Keywords: 干式空心并联电抗器,过热性故障,温度场,多场耦合

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Abstract:

干式空心并联电抗器出现过热性故障影响设备的正常使用寿命,为计算分析干式空心并联电抗器过热性故障温度场分布,基于多场耦合有限元理论,建立了干式空心并联电抗器流体-温度场耦合计算模型,得出干式空心并联电抗器正常运行时的温度场分布,并与现场运行实测的温度作对比,验证了计算模型的准确性.利用验证的流体-温度场耦合计算模型,计算了干式空心并联电抗器出现不同程度过热性故障下的温度场分布,分析了包封轴向、故障位置径向和顶部径向温度变化规律.分析结果表明,通过监测电抗器顶部温度变化,可以有效反映干式空心并联电抗器运行中的过热性故障

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