根据雷电特征和接闪杆保护特点，构建基于库仑定律的接闪杆雷电屏蔽模型，并据此分别对国家标准推荐的滚球法、保护角法和电力行业标准推荐的折线法雷电屏蔽性能进行分析，得出结论：屏蔽效率与实际观测一致。%The articles proposes to build a lightning rod type lightning shielding model based on Coulomb’s Law and features of lightning and lightning rod protection, and comes to a conclusion that shielding efficiency in actual observation is identical with that in the model by analyzing the shielding performance of rolling sphere method and protection angle method recommended by national standards and polygon method recommended in electric power industry.
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