1) active power
有功
1.
Based on the physics meaning of reactive power, this text introduces an exact method of calculating to calculate active power and reactive power, and some wrong concepts existingin calculatingreactive power.
本文从无功的物理意义出发,提出一种精确计算有功和无功的计算方法。
2.
First, this paper lists formula of active power by analyzing the composing of instantaneous power, then discusses the effect of prefilter to electric energy metering, how to measure electric energy in transient condition, and the influence of load type to the conversion of electric energy.
本文首先分析了瞬时功率的构成,得到有功功率的公式,接着探讨了前置滤波器对电能计量的影响、暂态情况下的电能计量问题和用户类型对电能转换的影响,最后对有功计费提出了一些建议。
3.
The measurement method of reactive power in traction substation,which main transformer is impedance-matching balance one,is discussed.
通过理论计算和数字仿真 ,分析了在牵引变电所低压侧用有功表计量无功的误差 ,得到了计量结果较实际值偏大的结论 ,对于牵引变电所无功计量方式的设计和运行有一定的指导作用。
2) active power
有功功率
1.
Asynchronous sampling scheme for active power measurement;
有功功率测量的异步采样方法
2.
Soft stop control of high-voltage asynchronous motor based on active power close loop;
基于有功功率闭环的高压异步电机软停控制
3) real power
有功功率
1.
Under the high harmonics condition,after sampling the voltage and current signals,the real power,reactive power and other electrical parameters can be accurately and real-timely measured by directly implementing phase-shifting netwo.
在高次谐波存在的环境下,对电压、电流信号采样后,直接通过移相网络和简单的数值计算即可实时并精确地测量出无功功率、有功功率等电气参量。
2.
Balance among real power, reactive power and voltage of the unified power flow controller (UPFC) system is analyzed.
文中分析了统一潮流控制器(UPFC)系统的电压、无功功率和有功功率的平衡,得到了与 UPFC控制相关的2个重要结论。
3.
This paper analyzes the reasons which cause the surges, and presents a method of dual closed loop control of real power and current.
分析了线性斜坡降压软停控制产生振荡的原因 ,提出一种有功功率加电流双闭环控制的方法 ,较好地解决了泵系统软停问题。
4) effective power
有功功率
1.
In AC circuit,the ratio of effective power and Volt power is called power ratio(the cosine of voltage and current).
在交流电路中,把电源所供给的有功功率与电源的视在功率之比称为功率因数即cosφ(电压电流相位差的余弦)。
6) active-power P
有功功率P
补充资料:有功
1.有功劳﹐有功绩。 2.有功之人。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条