英汉例句

• the harmonic calculation in three-phase rectifier is derived from the instantaneous reactive power theory.

  依据三相电路的瞬时无功功率理论，推导了谐波电流的计算方法；

• a new method is proposed, based on the instantaneous reactive power theory, to detect high frequency harmonic current and instantaneous reactive current applying high pass filter simultaneously.

  基于瞬时无功功率理论提出了一种应用高通滤波器同时检测高次谐波电流和无功电流的新方法。

• based on the instantaneous reactive power theory the method correctly detects the active positive-ord current from unsymmetrical currents and applies calculated command current to compensate system.

  论述了利用瞬时无功功率理论从三相不对称电流中正确检测出三相正序有功电流，并用计算出的指令电流对系统进行补偿的原理。

• secondly, the instantaneous reactive power theory and it ' s application to reactive power control and detection are introduced.

  其次，论文还介绍了瞬时无功功率理论及其在无功控制和无功检测方面的应用。

• 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。

• in this paper, we propose and discuss two new control methods for three phase shunt apfs : the sinusoidal line current control method and the instantaneous reactive power compensation control method.

  本论文提出三相并联型有源滤波器的两种新的控制方法，即正弦波化控制和瞬时无功功率的控制方法。

• based on the instantaneous reactive power theory, the method of detecting reactive current of agricultural power network is studied.

  基于瞬时无功功率理论，对农用电网无功电流的检测方法进行了研究。

• the instantaneous reactive power theory is widely used in the detections of harmonic and reactive current in three-phase active power filter.

  在该控制系统中实施了基于瞬时无功理论的瞬时功率和瞬时电流的检测算法以及一种开闭环相结合的复合控制策略。

• and a new hybrid speed identification method is also proposed, which based on the neural network, combines the open loop estimator and the instantaneous reactive power model reference adaptive system.

  介绍了异步电动机矢量控制系统神经网络速度控制器的设计方法；同时提出了将开环直接计算与模型参考自适应方法相结合的神经网络混合转速辨识模型。

• 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。