• 可靠判断检测界内界外毫安电流相间短路故障电流实现自动切除单相接地故障相间短路故障。

    Can reliably determine, within the community and bounds detection ma level and zero-sequence current phase short circuit fault current, automatic removal of single-phase ground fault and phase fault.

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  • 根据配电网结构特点提出一种基于故障补偿方法实际表示方法相结合的配电网短路电流实用计算方法。

    According to the feature of distribution network structure, a practical short circuit calculation method based on fault current compensation and actual phase sequence presentation is put forward.

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  • 根据负荷电压短路电流可知电池瞬间欧姆电阻,从而判断电池装配过程是否正常;三参数电池容量均无明确关系。

    Load voltage and short circuit current can be used to determine the batterys instantaneous ohm internal resistance and to judge whether the course of assembling batteries was normal.

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  • 采用两电流接线方式时,保护范围短路类型短路相别有关。

    The protect range is relational to short circuit type and phase when phase differential current connection mode is adopted.

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  • 根据大量低压电弧短路实验结果,概率统计方法导出低压电弧短路时的电弧电压模型及电弧短路电流的计算公式。用这些公式计算的最小电弧短路电流实验结果吻合。

    This paper presents the model of arc voltage and the formula of calculation of arc current based on a large number of experiments of arc short circuit in low voltage networks.

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  • 电力半导体器件故障电流(特别是短路电流)确认及时有效保护电力机车交流装置可靠工作至关重要

    Acknowledge and in time effective protection of power semiconductors from fault current is of utmost importance for the reliable operation of AC equipment on electric locomotive.

    youdao

  • 电力半导体器件故障电流(特别是短路电流)确认及时有效保护电力机车交流装置可靠工作至关重要

    Acknowledge and in time effective protection of power semiconductors from fault current is of utmost importance for the reliable operation of AC equipment on electric locomotive.

    youdao

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