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功率因数（英语：power factor，缩写：PF）又称功率因子，是交流电力系统中特有的物理量，是一负载所消耗的有效功率与其视在功率的比值，是0到1之间的无因次量 [1] 。 功率因数是指交流电路有功功率对视在功率的比值 定义及计算. 交流电有三个成分：
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Unity power factor has a value of 1.0. This means the current and voltage waveforms are in phase. This is only possible if the net load is non-reactive (resistive).
28 Απρ 2022 · Power factor is the cosine of the angle by which the current leads or lags the voltage in an a.c. circuit. It can also be defined as the ratio between a load's true power ...
3 Οκτ 2023 · The power in a 15 MVA (15000 KVA) transformer depends on the power factor. You did not specify the power factor, so I will assume a power factor of 0.92. Simply multiply MVA by PF and you get 13.8 MW.
28 Απρ 2022 · The 0.8 Power Factor provided by generator manufacturers is not the load power factor, but it is the nominal power factor used to calculate the kW output of an engine to supply the power for a ...
22 Ιαν 2016 · unity power factor是什么意思unity power factor[英][ˈju:niti ˈpauə ˈfæktə][美][ˈjunɪti ˈpaʊɚ ˈfæktɚ]整功率因数; 单位功率因数; 双语 百度首页 商城
3 Νοε 2015 · power factor [电] 功率因数；功率系数 Power factor 功率因数,功率因素,功率因子 power-factor 功率因数,功率因数检测,功率因素 power-factor compensation 功率因数的补偿,相位的补偿,功率系数的补偿 power 英 ['paʊə] 美 ['paʊɚ] n. 功率；力量；能力；政权；势力；[数] 幂
28 Απρ 2022 · What does unity power factor UPF mean? Unity power factor has a value of 1.0. This means the current and voltage waveforms are in phase. This is only possible if the net load is non-reactive ...
28 Απρ 2022 · Power factor in any circuit is the ratio of the load's true power to its apparent power. It's also the cosine of the phase angle. In L-R circuits, it's described as a 'lagging power factor ...
