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谐波谐振
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  harmonic resonance
     RESEARCH ON THE HARMONIC RESONANCE OF THE 3-&12-PHASE DOUBLE-WINDING ASYNCHRONOUS GENERATOR DURING ITS SELF-EXCITATION
     12/3相双绕组异步发电机自激起励时谐波谐振问题研究
短句来源
     A MODAL ANALYSIS METHOD FOR HARMONIC RESONANCE ASSESSMENT
     基于模态分析的谐波谐振评估方法
短句来源
     Harmonic resonance often manifests as high voltages in a power system.
     谐波谐振在电力系统中经常表现为高电压。
短句来源
     Study on Harmonic Resonance and Harmonic Enlargement of Power Network Capacitor Bank
     电网电容器组谐波谐振和谐波放大的研究
短句来源
     Study on Harmonic Resonance and Harmonic Enlargement of Power Network Capacitor Bank
     电容器组谐波谐振及谐波放大的研究
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  “谐波谐振”译为未确定词的双语例句
     Analysis on harmonic and resonance of steelworks supply-network
     钢厂供用电网的谐波谐振分析
短句来源
     Harmonic analysis can be used to quantify the distortion in voltage and current waveforms in a power system and to determine the existence and mitigation of resonant conditions.
     通过谐波分析计算可以确定系统中各部分电压和电流波形的畸变程度、判断系统是否处于谐波谐振状态以及如何采取措施减小系统谐振发生的可能性。
短句来源
     Harmonic Oscillation Characteristic Analysis Software Development in Local Power Net
     局域电网谐波谐振特性分析及仿真软件研制
短句来源
     It can reduce the harmonic or harmonic oscillation in public power net to take some effective measures by making use of this software, and finally reduce the power system accidents and cease time, improve power quality. It is wide application in the future.
     应用该软件的分析结果采取有效防范措施,可以预防或减少谐波源进入公用电网,减少或降低谐波谐振,进而减少电力事故和停电时间,提高电能质量,应用前景十分广阔。
短句来源
     Through calculating the harmonic currents of the compensating condensors branches which are mutual parallel in the substations, we can judge whether the harmonic resonates or not in different cases of parameter configuration, and then the theoretical basis will be provided for the suitable parameter configuration.
     通过对电力系统谐波电流的计算,判断变电站并补支路在不同参数配置方案下是否发生谐波谐振,从而为合理的参数配置提供理论依据。
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  相似匹配句对
     Inverse Resonance of Supply Network and Harmonics
     一次供电网谐振谐波分析
短句来源
     Resonant Enlarging Effect of Parallel Capacitors on Harmonic Current
     并联电容器对谐波电流的谐振放大
短句来源
     Resonance and Tuning
     谐振和调谐
短句来源
     Motion analysis for harmonic chain-drive
     谐波链传动的运动分析
短句来源
     Resonance and Countermeasure in the Electric Power Station
     变电所谐振及对策
短句来源
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  harmonic resonance
The apparent mass data exhibited several significant peaks due to the bed harmonic resonance.
      
The second harmonic resonance for the shallow water surface-wave in a rectangular trough
      
By using the perturbation method of multiple scales, this paper deals with the phenomenon of the second harmonic resonance for shallow water surface-wave in a rectangular trough.
      
Obtained also are the dynamical equations for the second harmonic resonance.
      
The interpretation is based on Alfvén's (1969) jet stream theory and the hypothesis of harmonic resonance between intersecting jet streams.
      
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This paper studies the influence of nonlinear character resistance on resonant overvoltage in power systems. A mathematical model is developed according to a typical equivalent circuit, witch leads to subharmonic resonant overvoltage. By using the melnikov's method, the relation between nonlinearity of resistance and subharmonic bifurcations is considered from which we arrived at a conclusion. This investigation enables people to recognize why the lower-frequency resonant phenomena may appear in power systems....

This paper studies the influence of nonlinear character resistance on resonant overvoltage in power systems. A mathematical model is developed according to a typical equivalent circuit, witch leads to subharmonic resonant overvoltage. By using the melnikov's method, the relation between nonlinearity of resistance and subharmonic bifurcations is considered from which we arrived at a conclusion. This investigation enables people to recognize why the lower-frequency resonant phenomena may appear in power systems. It brings us some information of removing resonant overvoltage by means of nonlinear resistance.

本文研究电力系统中电阻的非线性特征对谐振过电压的影响。针对一种典型的发生分次谐波谐振的等值电路,给出它的数学模型;然后用梅尼科夫方法研究电阻的非线性特征与次谐波分叉的关系,得出了相应的结论。这一研究为迄今尚未认识的更低频的分频谐振过电压的出现提供了信息。同时也为利用非线性电阻设计某种消谐装置提供了参考数据。

The bus in the power substation with the harmonic source and the harm level of harmonic current may use the equation (1)、(8)、(9) and list 2 in the paper to analyse and judge the syntony number of the harmonic, distorted rate of the bus voltage and approved value of the harmonic current to show how harmful the harmonic current is. Besides, we use the three equations to analyse and compare the data in harmonic investigation, the calculated result tallies with the actual situation completely. Therefore the three...

The bus in the power substation with the harmonic source and the harm level of harmonic current may use the equation (1)、(8)、(9) and list 2 in the paper to analyse and judge the syntony number of the harmonic, distorted rate of the bus voltage and approved value of the harmonic current to show how harmful the harmonic current is. Besides, we use the three equations to analyse and compare the data in harmonic investigation, the calculated result tallies with the actual situation completely. Therefore the three equations are of universal significance and practical value.

具有谐波源的变电所母线,谐波电流的危害程度.可用文中(1).(8).(9)式和表2简捷地进行分析、判断谐波的谐振次数、母线电压畸变率和谐波电流允许值,借以说明谐波电流危害。并用该三式对谐波调研资料进行了分析与对比计算,结果完全符合实际情况,故三式具有普遍意义和应用价值。

The problem of harmonic vibration caused by the parallel connection of the capacitor on the system side with the electric-magnetic voltage transformer has been solved that provides a wide-range applications of the capacitor voltage transformer (CVT).The subharmonic vibration,however,caused by the series connection of equivalent capacity inside CVT with the reactor may lead to over-voltage which might damage CVT.The paper introduces anup-to-date method for anti-harmonic vibration.Based on that,by using the linear...

The problem of harmonic vibration caused by the parallel connection of the capacitor on the system side with the electric-magnetic voltage transformer has been solved that provides a wide-range applications of the capacitor voltage transformer (CVT).The subharmonic vibration,however,caused by the series connection of equivalent capacity inside CVT with the reactor may lead to over-voltage which might damage CVT.The paper introduces anup-to-date method for anti-harmonic vibration.Based on that,by using the linear programming,the minimum dampering and maximum structural parameters have been resulted,which become the important part of the optimal CVT design and increase the accuracy and reliability of CVT.

电容式电压互感器(CTV)可以避免电磁式电压互感器与系统侧电容并联产生的谐振问题,因而应用日益广泛。但是CVT内部等值电容与电抗串联可能产生次谐波谐振,引起过电压,会使CVT损坏。本文在介绍现行使用的CVT防谐振方法及谐振阻尼器原理的基础上,提出优化设计阻尼器参数及结构的方法,并用非线性规划方法具体进行了优化,得出了对误差影响最小、阻尼作用最大的阻尼器参数及结构参数,构成CVT优化设计的重要组成部分,对提高CVT的精度及运行可靠性有重要作用。

 
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