介绍了一种雷击闪络电流传感器的研制过程，及其解决的主要问题，给出了研究成果。

The paper introduces the development process of a new lightning flashover current sensor and main problem solved, and gives the research result.

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该保护方案的灵敏度不受过渡电阻、雷击、故障类型、负荷电流、系统运行方式等因素的影响。

The sensitivity of the proposed protection scheme is not impacted by the factors such as transition resistance, lightning stroke, fault type, load current and operating mode of power system.

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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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