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                    什么是功率因数?

                    浏览数量: 0     作者: 本站编辑     发布时间: 2020-12-10      来源: 本站

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                    功率因数是能源效率的体现。它通常以百分比表示,百分比越低,电力使用效率越低。
                    百分比,电力使用效率越低。

                    功率因数 (PF) 是工作功率(以千瓦 (kW) 为单位)与视在功率(以千伏安 (kVA) 为单位)的比率。视在功率,也称为需求,是在一定时期内用于运行机械和设备的功率量的度量。通过乘以 (kVA = V x A) 即可得出。结果以 kVA 单位表示。

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