无功的

Reactive power measurement of non-sinusoidal circuit is the hot-spot research in Electric Power System.

非正弦电路的无功测量是当前电力测量研究的热点。

Simulation research on method for harmonic current detection of single-phase circuit based on instantaneous reactive power theory of three-phase circuit was presented.

提出了基于三相电路瞬时无功理论的单相电路谐波电流检测方法的仿真研究。

The simulation model of active current separating method is established with Matlab software for harmonic and reactive current detection in single-phase circuit.

针对单相电路谐波和无功电流检测的有功电流分离法，利用MATLAB软件建立仿真模型，就其中的低通滤波器对谐波电流检测效果进行了仿真分析。

The reactive current detecting hardware circuit and current tracking controlling hardware circuit based on TMS320LF2407ADSP are designed carefully. The communication with CANBUS between modules is realized, and the main circuits are analyzed and design in detail.

论文设计和实现了基于DSP的无功电流检测和控制器的硬件电路，实现了模块之间CANBUS通信，对一些具体电路进行了详细设计和分析。

Reactive component of current adds to the loads current and increases the voltage drops across network impedances.

电流的无功部分使负载电流增加并且提升了电网的阻抗压降。

The fundamental reactive current component is evaluated by the reconstruction of the phase difference between the fundamental component and the power source voltage.

通过重构基波分量与电源电压之间的相位差，求得了信号中的基波无功电流分量。

In theory and practical application, the study to reactive power optimization of power system is of great significance.

因此，对电力系统无功优化问题的研究，既有理论意义，又有实际应用的意义。

The control of Reactive voltage is very important for improving security and economy of power system.

无功电压控制问题对提高电力系统的安全性和经济性具有重要的意义。

It is obvious that the investigation in reactive power optimization of power systems is of great significance.

从事电网无功优化规划及其优化调度的研究工作具有非常重要的意义。

Reactive power optimization is one of key problems of voltage stability and economic operation for electric power system.

无功优化是电力系统电压稳定与经济运行的核心问题之一，也是提高电力系统电压质量的重要措施。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。