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为什么线路在输送同等功率下电压越高电流

2025-04-05 06:04:20

推荐回答（1个）

回答1：

尤其是远距离电力输送，都是采用高压线！
因为电压较低的电流输送，就会产生很大的《电压降》。到了用电的地方，电压就很低很低，就连电视机也打不开了。
由于电力输送，它的电功率要最大可能的减少损耗（电损），《而电功率等于电压乘以电流。》
所以高压输电线的电流很小很小。

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