Several Key Techniques of Lightning Protection for MediumWave Broadcast Relaying Station
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Abstract:
A mediumwave broadcast relaying stations is usually built in the outskirts of a city. Because of the height of the antenna tower, these stations are attacked frequently by lightning strokes. Through analyzing technically the layout of the lightning protection system, it is found out that the main cause of the frequent lightning attacks is some leaks in the key techniques of the lightning protection system. According to the actual situation of mediumwave broadcast relaying stations, some solutions are presented: stepwise shunting in the grounding grid, shielding feeder along with the technology of shielding rings, coordination of various circuits and systems, etc., so to form a complete lightning protection system frame for mediumwave broadcast relays stations.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.