提出了一种利用电磁暂态程序(EMTP)来计算雷击发生时建筑物内部金属框架上雷电电流分布的方法。

A method of calculating the lightning current distribution on the metal frame of building by using electromagnetic transient program (EMTP) was presented.

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提出了一种基于线路分布参数的小电流接地系统的高精度故障模型，用于分析单相接地故障产生的暂态信号特征及进一步完善基于暂态信息的小电流接地故障选线判据。

Small Current Grounding Power System is widely used in power distribution network with middle and low voltage in china, and the single phase to ground fault takes place most frequently in such system.

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