当一个光伏阵列被树木或房屋等物体遮挡住时，太阳能电池中会发生电子堆积现象，好似在交通阻塞中的汽车一样，因而电流减弱。

When a PV array is shaded by another object, like a tree or a house, the solar panels get backed up with electrons like cars in a traffic jam, and the current drops.

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在两个电流分解公理的基础上，分三种不同的网络情况阐明了阻塞成本分别在发电侧和用户侧分摊的思想。

Based on two current discomposing axioms, the paper analyzes the allocation of congestion costs at generation side and consumer side under three different types of network conditions.

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