instantaneous reactive power的意思|示意

The interpretation of active and reactive currents in non-sinusoidal and unbalanced three-phase four-wire systems is given based on the generalized instantaneous reactive power theory.

以通用瞬时无功功率理论为基础，阐述了电压不对称和非正弦条件时的有功和无功电流的物理意义。

By using the instantaneous reactive power theory, a kind of improved method in detecting harmonic and fundamental reactive power based on wavelet analysis is (proposed.)

在小波分析的基础上，结合瞬时无功功率理论，提出了一种谐波和基波无功检测的改进方法。

Moreover, the relations between both the active power and the reactive power and the instantaneous power are also achieved at the same time.

建立了有功功率、无功功率、复功率及复交流功率与瞬时功率的关系，进而仅基于瞬时功率的守恒性便证明了上述功率也满足守恒性。

The traditional methods based on definitions of reactive power can not fulfill the demand, so the paper employs the instantaneous reactive power theory to detect the reactive power in SVC system.

传统的根据无功功率的定义来计算SVC系统中的无功功率的方法难以满足快速响应要求，因此本文采用瞬时无功理论来实现SVC系统中无功功率的计算和检测。

How to define instantaneous reactive current and reactive power in three-phase non-sinusoidal asymmetrical systems is still a concerned problem by academia.

如何定义三相系统的瞬时无功电流、瞬时无功功率一直是学术界关心的问题。

From physical and mathematical points of view, this paper analyses the nature of instantaneous active and reactive power.

从物理和数学的角度，对单相电路、三相电路瞬时有功功率和瞬时无功功率的概念进行了剖析。