本文探索了两种简化计算方法，即降低谐波计算次数和阻尼绕组近似处理。
In this paper, two simplification methods - decreasing the order of calculated harmonics and approximately treating the damper windings, are proposed and investigated.
采用加矩形窗fft插值算法，谐波的负频分量对谐波计算的误差影响较大。
For rectangular window FFT interpolation algorithm, the negative frequency components of harmonic components have a greater impact on the fundamental calculation error.
HVDC直流侧谐波计算中经典换流器模型不能完整再现换流器直流侧的谐波某些特性。
The classical converter model has been proved to be insufficient in representing the characteristics of the DC side harmonics in HVDC system.
经验算，NGFM下高阶谐波计算取得与细网差分法下一致的结果，但计算时间大大缩短。
It is proved via the verification calculation that the HOH result from NGFM is consistent with that from the fine mesh difference method, but with much less computation time.
为了简化ac - DC - AC变换器复杂的谐波计算过程，采用直接谐波计算对变换器进行了谐波分析。
A direct harmonic analysis approach for AC-DC-AC conversion system was presented to simplify the complicated harmonic calculation process.
本文设计了一基于USB总线的谐波分析仪，用FPGA芯片进行谐波计算，具有速度快、成本低、模块化等特点。
This paper introduces a harmonic analysis device based on USB, using FPGA to process the harmonic calculation, that has advantages such as high speed, low cost and modularization.
利用傅里叶级数对其进行了频谱分析，计算了次数小于19次的各次谐波电流均方根值的频谱数据。
Using Fourier series, the frequency spectrum analysis was analyzed, and spectrum data of harmony wave less than 19 were calculated.
利用建立在对称分量解耦-补偿理论基础上的电力元件模型，提出了适用于谐波潮流计算的网络模型和算法。
By using the power element models established on symmetrical component decoupling - compensation theory, a network model with algorithm suitable for harmonic flow calculation is developed.
通过工程实例，对其进行计算、分析，指出能够有效抑制谐波的电容器组合方式。
Through calculation and analysis in a project, the capacitor combination patterns which can effectively restrain harmonics are found out.
利用三脉动换流器模型对三峡-广东直流输电系统直流侧谐波进行了计算，并对三脉动换流器模型进行了分析。
The three pulse converter model is analyzed, and using this model the harmonics at the DC side of three GorgesGuangdong DC power transmission system is calculated.
本文针对三段桥连续调压方式的6K机车功率因数和谐波电流进行了理论分析和计算。
Regarding 6k locomotive with triple bridge continuous voltage regulation, theoretical analysis and calculation are conducted upon its power factor and harmonic current.
本文给出了多元体系中谐波对EXAFS振幅的影响的计算方法，并以实例计算和测量了这种影响，两者结果相符。
A method to calculate the harmonic effect on EXAFS amplitude for poly-element systems is given. Results calculated and measured are presented. They are consistent with each other.
由于考虑了换流站交直流侧谐波的相互作用，该计算结果与实际情况更为接近。
Due to considering the interaction of harmonics at ac and DC sides of converter station, the calculation result is more close to actual situation.
本文较详细地讨论了封闭谐波-行星齿轮减速器的设计计算。
The design and calculation of the closed harmonic-planetary gear box are detailedly discussed this paper.
根据分析结果，讨论了不同模型对谐波分析计算的影响，以及考虑到在不同条件和不同的要求精度下的模型选择问题。
According to the analysis result, it discusses the influence of different models for harmonic analysis, and discusses how to select the models for different condition and accuracy requirements.
频谱分析法是用频率分析仪测量各次谐波的方法计算出波形失真度，但采用此种方法的仪器价格较昂贵。
The method of analysis frequency table is using the meter of frequency table to test all kinds of frequency and then calculate the distortion of the wave.
文章讨论了具有整流负载时电力系统的谐波潮流计算方法。
In this paper the harmonic power flow of power systems with rectifier busses is studied.
分析了电力参数微机监测中的直接采样计算法与谐波分析法的误差，并提出了减小误差的方法。
The errors of harmonic wave analysis and direct sampling in electric parameters measurement are analyzed. The method to minimize errors is presented.
因而可以取代梯形算法来计算谐波系数。
So it can take place of the traditional Fourier algorithm to calculate the coefficients of harmonics.
通过研究，系统解决了大容量干式励磁变压器参数优化、谐波含量及谐波损耗计算等技术难题。
Through this research, a series of difficult technical problems on parameter optimization and on calculation of the content and loss of harmonic waves, etc. have been solved.
以基波潮流和谐波潮流的解耦性为基础，提出了一种将电力系统三相不对称基波潮流和谐波潮流分离迭代的计算方法。
Based on the decoupling of fundamental power flow and harmonic power flow, a separate iteration method for calculating three-phase asymmetrical harmonic power flow in power system is presented.
由这种方法导出的计算公式，修正了转子谐波漏抗的经典算法，适合于某些特种电机的转子参数计算。
Derived calculation formulas bY this way, corrected the classical method of rotor harmonic leakage, are fitted for rotor parameters calculation of some special motors.
导出了基波电磁功率、稳定谐波电磁功率及脉动谐波电磁功率的计算公式。
Then, the calculation formulas of the fundamental and steady harmonic as well as pulse harmonic electromagnetic powers are derived.
导出了基波电磁转矩、稳定谐波电磁转矩及脉动谐波电磁转矩的计算公式。
The calculation formulas of the fundamental and steady harmonic and pulse harmonic electromagnetic torques have been derived.
本文提出了具有等加速度段的谐波函数供油凸轮的计算准则。
A calculation criterion of harmonic CAM with constant acceleration for fuel injection pumps is presented.
通过给定参数的计算，作出了辐射谐波的能谱图，并发现相邻谐波辐射相差几百倍。
Through the calculation of given parameter, have made radiation harmonic, can table picture, concurrent is now adjacent harmonic radiation differ hundreds of times.
随着电力系统中谐波的日益增多，单相谐波潮流计算已不能满足要求。
With the increasement of the harmonic quantity in power system, single phase harmonic power flow calculation can't meet the needs.
电力线路的电流、电压谐波效应可以引起自同步拖动、计算机、电话等异常运行。
The current or voltage harmonic wave in power lines may cause abnormalities in self synchronization drive, computer, telephone, etc.
为了快速准确计算谐波励磁同步发电机和普通同步发电机的空载谐波电压，提出一种齿磁通法计算谐波电压。
For quickly and accurately calculating no-load voltage waveform of harmonic excitation synchronous generators and common synchronous generators, a new method, named as tooth flux method, is proposed.
为了快速准确计算谐波励磁同步发电机和普通同步发电机的空载谐波电压，提出一种齿磁通法计算谐波电压。
For quickly and accurately calculating no-load voltage waveform of harmonic excitation synchronous generators and common synchronous generators, a new method, named as tooth flux method, is proposed.
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