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- apparent power measurement 视在功率测量
- 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。
- Power Factor Power factor is the cosine of the angle between the actie power( kW) and apparent power( kA) in a circuit. 功率因数功率因数是电路中有功功率(W)视在功率(A)间夹角的余弦值。
- A new method for power measurement of audio frequencies is introduced. 介绍了一种音频范围内功率测量的新方法。
- Furthermore, the total apparent power should be the scalar sum of the apparent power of every phase. 而且，总视在功率应为各相视在功率的标量和.
- Power Factor Power factor is the cosine of the angle between the active power( kW) and apparent power( kVA) in a circuit. 功率因数功率因数是电路中有功功率(W)视在功率(VA)间夹角的余弦值。
- Two pulse outputs, one for active power and the other selectable between reactive and apparent power with programmable frequency. 两路脉冲输出,一为有功功率,二为无功率或视在功率,带频率编程功能。
- Power Factor Power factor is the cosine of the angle between the active power (kW) and apparent power (kVA) in a circuit. 接地 接地是电路与地面或地面上的导体的连接，可以是有意的也可以是意外的。
- Design of the Power Measurement System Base on Single-Chip Microcomputer for EV Storage Batteries. 基于单片机的EV动力蓄电池组电量计量系统的设计。
- Optical potential mutual inductor is a new kind of senser used in electric power measurement system. 光电式电压互感器是一种用于电力测量系统的新型传感器。
- This method can be used to design reactive power measurement equipment for power computation and attemperment automatization in electric power system. 该方法可用于电力系统中电能计量、调度自动化等领域的无功功率测量装置的设计。
- This paper presents a numerical algorithm for power measurement in nonsinusoidal conditions and studies the application in Virtual Instrument. 介绍了一种可用于非正弦情况下功率测量的数字算法,并研究了在虚拟仪器中的应用。
- In this paper, with domain analysis method for reactive power in nonsinusoidal, the formulas of apparent power and power factor both in nonsinusoidal and asymmetric conditions are describled. 本文从单相非正弦波形下无功功率的时域分析定义出发,导出三相不对称时视在功率的公式,从而获得非正弦波形又不对称下三相功率因数的计算公式。
- DNB power measurement system gets the value and distribution of power before injecting the particles to TOKAMAK, so that the DNB system can be easily controlled. 而DNB功率测量是在DNB向TOKAMAK注入粒子前获取中性束流的功率大小及其分布情况,以便施行有效的控制。
- Using single-chip RF transceiver,the wireless serial communication function based on USB interface is introduced in electrical power measurement and control system. 在电力系统测控仪中采用单片射频收发芯片,增加基于USB口的无线串行通信功能。
- Power measured by numbers of persons present or persons who can be used. 指实力,兵力或人数。
- Powerful measures must be taken to implement creative education. 实施创造教育必须采取强有力的措施。
- Imaginary component of instantaneous apparent power 瞬时视在功率虚部,瞬时无功功率
- Rated apparent power on valve side 额定阀侧视在功率
- The hemispherical and the parallelepiped measurement surfaces are investigated as examples.Subsequently, their error models are established on the basis of the common model of sound power measurement. 以半球测量面和平行六面体测量面为例，应用通用模型建立了两种情况下的声功率误差分析模型。
