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- In software algorithm, the Blackman window on FFT algorithm is used on the data processed.The precision of system is enhanced greatly especially in the power factor measurement. 在软件算法方面，使用了FFT谱分析法,结合Blackman窗对采集信号进行数据处理,大大提高了测试准确度,尤其提高了功率因数的计算准确度。
- Waveform for power factor measurement 功率因数测量波形
- A WEIGHTED ALGORITHM FOR ACTIVE POWER AND POWER FACTOR MEASUREMENT 有功功率及功率因数的加权算法
- Power Factor Measurement and Control of Synchronous Electromotor 同步电动机功率因数检测与控制
- Power Factor Measurement by Using the Wavelet Transform 用小波变换测量功率因数
- Power Factor Measurement when Grid Wave is Distorted 电网波形畸变时的功率因数测量
- Online frequency and power factor measurement based on FPGA 基于FPGA的频率与功率因数在线测量
- Power factor measure 功率因数测量
- Voltage distortion and power factor lag. 电压波形失真及功因低落。
- VoltageControl and Power Factor correction. 电压控制与功率因素调整。
- Voltage Control and Power Factor correction. 电压控制与功率因素调整
- A New Method of Power Factor Measurement In Nonsinusoidal Load Current 负载电流为非正弦波时功率因数测量的新方法
- The harmonic disturbances result in difficulties to measure the power factor and to compensate the reactive power. 为此，本文提出了一种新的高压无功功率自动检测补偿系统。
- Some noticeable problems in application of low power factor wattmeter are presented in detail,such as measure principle and readout method. 详细介绍了低功率因数瓦特表在测量中应该注意的问题,给出了功率表的测量原理和读数方法,讨论了测量不同功率时的接线方式。
- Displacement factor, power factor of the fundamental. 位移因数;又称基波功率因数。
- Improve the power factor and reduce the reactive power dissipation. 提高系统的功率因素,减少无功损耗。
- Active Power and Power Factor Measurement Under Non-sinusoidal Waveform in Three-phase Circuit 非正弦状态下有功功率和功率因数测试
- Some Methods for Software Design to Improve Precision of Power Factor Measurement 软件设计中减小交流采样测量功率因数误差的一些方法
- The load such as paralleling condenser have low power factor,because the driving power of induction watt-hour meter is smaller,result in measure error added. 用感应式电能表测量并联电容器回路这样低功率因数的负载时,由于功率因数过小,使起动功率很小,导致计量误差过大。
- The power factor (pf) is the ratio of average power to apparent power. 功率因数是有功功率与视在功率之比。
