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Using electric field waveforms of lightning discharges observed in Beijing and Guangzhou, the detectable preliminary breakdown (PB) pulses and the following discharges are analyzed. The results show that, (1) the percentages of detectable PB pulse are 34.5% and 36.9% in Beijing and Guangzhou, respectively. The values are similar, which indicate that the characteristic of storm also play a key role...
Techniques of artificially-triggered lightning have provided a significantly useful means to directly measure various physical parameters of lightning discharge and to conduct research on protection methods of lightning electromagnetic pulses. In this study, we measured and analyzed the induced overvoltage on the overhead transmission line and the overcurrent through Surge Protective Devices (SPD)...
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