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   power qualities 的翻译结果: 查询用时:0.196秒
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power qualities
相关语句
  电能质量
     These Power qualities problems cause by consumers.
     这些电能质量下降问题主要由用户方造成。
短句来源
     By controlling the series converter as a fundamental sine current source and the parallel converter as a fundamental sine voltage source, the proposed control strategy can make the UPQC carries out all of the control terms: the sinusoidal input current, the unit input power factor, the sinusoidal and balanced output voltage with normal value to improve power qualities at the side of networks and at the side of loads.
     该策略将UPQC的串联变流器控制为基波正弦电流源,而并联变流器控制为基波正弦电压源,从而实现了三相四线UPQC对电能质量的综合控制能力,既改善了电网侧的电能质量问题,实现了电网输入电流的正弦及单位输入功率因数,也改善了负载侧的电能质量问题,实现了负载电压的平衡、额定及正弦。
短句来源
     The series power quality compensator has the im portant functions on improving power qualities and decreasing economic losses.
     串联电能质量补偿器对提高电能质量、减小经济损失具有重要作用。
短句来源
     And then the rest of signals are processed using the wavelet transform,and the features related to frequency band domain extracted are used to indicate the signals of different power qualities,and these features can be used as the input vector of ANN to classify the short-time power quality signals.
     再对其余的信号进行小波变换,提取与信号频域相关的特征量来表征不同电能质量信号。 将这些特征量作为神经网络(ANN)的输入可以实现电能质量的辨识。
短句来源
     Power qualities and its control techniques are important study in electric engineering.
     电能质量及其控制技术是当前电工领域的研究热点。
短句来源
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  相似匹配句对
     POWER
     清华的力量
短句来源
     power;
     权力 ;
短句来源
     These Power qualities problems cause by consumers.
     这些电能质量下降问题主要由用户方造成。
短句来源
     Monitoring DVDR process and qualities with Power Margin
     利用功率扫描(Power Margin)监控DVDR工艺与质量
短句来源
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  power qualities
In contrast, British business writing tends to ignore contextual power qualities, regardless of social distance.
      


The series power quality compensator has the im portant functions on improving power qualities and decreasing economic losses.In this paper,the principle of series power quality com pensator is introduced,and the experiment of this device is performed.The results of the test show that the compensator can effectively suppress the distortions such as asym metry,sags and swells,as well as the harm onic voltages of systems,thus meet the higher requirements for power quality of the electrical...

The series power quality compensator has the im portant functions on improving power qualities and decreasing economic losses.In this paper,the principle of series power quality com pensator is introduced,and the experiment of this device is performed.The results of the test show that the compensator can effectively suppress the distortions such as asym metry,sags and swells,as well as the harm onic voltages of systems,thus meet the higher requirements for power quality of the electrical loads.

串联电能质量补偿器对提高电能质量、减小经济损失具有重要作用。文中介绍了串联型电能质量补偿器的工作原理 ,并对其进行了实验研究。实验结果表明 ,串联型电能质量补偿器可有效抑制电网电压中的闪变、波动以及谐波等各种畸变 ,从而满足电力负荷对供电质量的高要求。

Power qualities and its control techniques are important study in electric engineering.The paper discusses the advances in present techniques of power quality-control on the basis of definitions dealing with power quality and allowed disturbance specifications.

电能质量及其控制技术是当前电工领域的研究热点。本文在详细介绍了国际上最新的有关电能质量干扰指标的定义的基础上 ,论述了目前电能质量及其控制技术、控制装置的研究进展。

Theimproved recursivewavelet transform is used todetecttheshort-term disturbance. Entropyisapplied to find the proper wavelet scale parameter. The wavelet transform energy distribution curve is applied for classification of short-term power qualities. The algorithm is simple and quick. Simulation results show its effectiveness.

应用改进递归复小波变换来确定短时扰动的发生时间和持续时间,应用熵值法确定分解尺度,并用以基频为中心频率的单尺度小波变换能量分布曲线来进行扰动分类。该算法计算简单快速,仿真结果表明该方法是有效的。

 
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