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杨智鹏01512519

电力系统的频率

演讲人:杨智鹏 01512519
衡量电能质量的指标
电力系统频率的概念
电力系统为何存在偏移?

允许的频率偏移量是多少?
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频率-------------频率偏移

电压-------------电压偏移

波形-------------波形畸变
f=pn/60

fn=50Hz
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F = BIL
偏移范围:±(0.2~0.5)Hz

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杨智鹏01512519