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   hvdc线路 的翻译结果: 查询用时:0.437秒
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hvdc线路
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  hvdc line
     Directional Protection Based on Traveling Wave Current Polarity Comparison Using Wavelet Transform on HVDC Line
     基于小波变换的HVDC线路行波电流极性比较式方向保护
短句来源
     Distance Protection Scheme with Traveling Wave for HVDC Line Based on Wavelet Transform
     基于小波变换的HVDC线路行波距离保护
短句来源
     Therefore,the “HVDC plus pumped storage station”scheme instead of one HVDC line may improve power transmission quality reduce transmission cost and strengthen market competition.
     因此,以交流( A C) 线路和抽水蓄能电站取代1条 H V D C 线路,可改善三峡东送电质量,降低输电成本,增强市场竞争力。
短句来源
     Simulations with Matlab show that the proposed criterion and algorithm work well in distinguishing HVDC line fault and some other similar faults,and correct locating the fault position.
     Matlab仿真结果表明,所提保护算法能够很好地区别HVDC线路故障和其他相似的暂态过程,也能准确地进行故障定位。
短句来源
  “hvdc线路”译为未确定词的双语例句
     Multigrid Method Applied to Calculation of Ion Flow Field under HVDC Transmission Line
     多重网格法在HVDC线路离子流场数值计算中的应用
短句来源
     A Method to Calculate the ion Flow Field of HVDC Transmission Lines Under Various Weather Conditions
     一种计算不同气象条件下双极HVDC线路离子流场的方法
短句来源
     HVDC transmission system fault identification and locating algorithm using mathematical morphology
     基于形态学的HVDC线路故障识别与定位方法研究
短句来源
     The user program interface based on the environment of PSASP/UPI is developed to realize the power flow calcation incorporting HVDC Light.
     在电力系统分析综合程序PSASP/UPI 6.1环境下,实现了包含轻型HVDC线路的电力系统潮流计算。
短句来源
     This paper introduces a method to calculate the ion flow field of HVDC transmission lines.
     本文介绍了一种计算HVDC线路离子流场的方法,它能够把导线表面电晕活动强度这个因素也考虑在计算中。
短句来源
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  相似匹配句对
     Distance Protection Scheme with Traveling Wave for HVDC Line Based on Wavelet Transform
     基于小波变换的HVDC线路行波距离保护
短句来源
     HVDC transmission system fault identification and locating algorithm using mathematical morphology
     基于形态学的HVDC线路故障识别与定位方法研究
短句来源
     An Approach to CAD in Electronic Circutis
     电子线路CAD
短句来源
     The Debate of Cultural Routes
     文化线路辨析
短句来源
     Voltage Stability Analysis of HVDC Systems
     HVDC系统电压稳定性分析
短句来源
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  hvdc line
In the system, the fault generated transients are induced from the ground leads of the over-voltage suppression capacitors of an HVDC line through specially developed travelling wave couplers.
      
A typical HVDC line design can have less than 50 percent of the losses associated with an AC line of the same power transfer capability.
      
An HVDC line can also assist with controlling reactive power in the AC system.
      
It should be negative for the HVDC line operating with positive voltage.
      
There is a large quantity of commercial-quality wind, solar and geothermal resource close to the HVDC line in Oregon, Nevada and California.
      
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This paper introduces a method to calculate the ion flow field of HVDC transmission lines. The method takes into consideration the intensity of the corona discharge on Conductor surface. It is applicable to the calculation of the ion flow field of HVDC lines not only under normal weather condition but also under foul weather conditions such as rainy or highly humid weather and so on. The calculating results agree very well with the relevant field testing and experimental results publishecl before.

本文介绍了一种计算HVDC线路离子流场的方法,它能够把导线表面电晕活动强度这个因素也考虑在计算中。该方法不仅能分析正常气象条件下的线路的地面场强和离子电流,而且也能对一些较特殊的气象条件(如下雨或相对湿度很大等情况)下的线路地面场强和离子电流进行正确的分析计算。各种情况下的计算结果均与一些已发表的有关计算和实测结果相一致。

Based on the commonly used mathematical model of the ion flow field of HVDC lines, the relationship between the ion flow field of actual HVDC lines and that of scaled model lines has been derived theoretically. The necessary condition that the scaled model lines has to be satisfied to has also been obtained. The numerical method is used to calculate the ion flow field under actual HVDC lines and under scaled model lines respectively. It is shown that the ion flow fields of both lines accord with the derived...

Based on the commonly used mathematical model of the ion flow field of HVDC lines, the relationship between the ion flow field of actual HVDC lines and that of scaled model lines has been derived theoretically. The necessary condition that the scaled model lines has to be satisfied to has also been obtained. The numerical method is used to calculate the ion flow field under actual HVDC lines and under scaled model lines respectively. It is shown that the ion flow fields of both lines accord with the derived relationship very well indeed.

HVDC线路的离子流场数学模型,严格地从理论上导出实际HVDC线路离子流场与比例模型线路离子流场间的关系,同时还导出为预测实际HVDC线路离子流场建立的模型线路应满足的必要条件。采用数值计算法对实际HVDC线路和比例模型线路的离子流场分别进行了计算,结果表明两者确实很好地服从导出的上述关系。

In this paper multigrid method which is very effective in solving the boundary-value problems is introduced. The computational efficiency and convergence speed of multigrid method are much better than those of finite difference method or finite element method. It is used to calculate the ion flow field under HVDC transmission line. It is shown that the results using multigrid methodare more consistent with measured results compared with the results using finite element method.

简要介绍了一种求解偏微分方程边值问题的有效方法——多重网格法,它比有限差分法和有限元法具有更高的计算效率和收敛速度。通过对HVDC线路非线性离子流场的计算表明,由多重网格法计算得到的结果比采用有限元法更接近于实际测量值。

 
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