Type1 and Type3 Calculation Methods for S and Q Explanation
Resources:
The WT1800 and WT3000 series digital power analyzer offer two calculation methods, Type1 and Type3, for apparent and reactive power.
Type1:
The WT will first calculate the RMS voltage Urms, current Irms, and active power P. Then the WT will calculate apparent power S, power factor PF, and reactive power Q.
The WT will first calculate the RMS voltage Urms, current Irms, and active power P. Then the WT will calculate apparent power S, power factor PF, and reactive power Q.
Type3:
The WT will first calculate the RMS voltage Urms, current Irms, active power P and the harmonics of reactive power Q. Then the WT will calculate the apparent power S and power factor PF. Q is calculated to include all the harmonic components.
The WT will first calculate the RMS voltage Urms, current Irms, active power P and the harmonics of reactive power Q. Then the WT will calculate the apparent power S and power factor PF. Q is calculated to include all the harmonic components.
Please refer to the attached document.
相关产品和解决方案
高性能功率分析仪 WT1800系列
高端WT1800是WT1600的升级产品，可应用于从节能到高负载应用在内的各种应用领域。WT1800拥有6单元输入能力，可提供最大的灵活性和5MHz带宽下0.1%的基本功率精度。
高精度功率分析仪 WT3000
WT3000高精度功率分析仪提供最高精度的测量。此产品已成为行业标准，用于变频器、电机驱动器、照明系统和电子镇流器、UPS系统、飞机电力系统、变压器测试和其它电力转换设备的研发。WT3000的基本功率精度达0.02%，带宽为1MHz。
数字功率分析仪
功率计或称瓦特计，可以测量产生、转换或消耗电能的设备各项特征，包括设备的各项参数，如：功率（瓦特）、功率因数、谐波和效率等等。
YOKOGAWA数字功率分析仪，性能优越、测量可靠，支持各种应用，非常值得拥有。尤其是YOKOGAWA WT300E功率计，在全球功率计市场上口碑与地位日益跃升。
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