另外，还对滤波器的结构和参数对输出直流电压脉动和发电机相电流波形的影响及相电流谐波进行了仿真分析。
In addition, the thesis analyzes the influence of the filter structure and parameters on the output DC voltage ripple and the shape of phase currents, as well as harmonics of phase currents.
分析与计算结果表明，因串联电抗器的电抗率不同，其流进电容器回路的谐波电流也截然不同。
Analysis and simulation results show that different harmonic currents flowing into the capacitor circuit is different due to different reactance ratio of series reactor.
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.
对电流谐波进行理论分析和实验测量，二者结果吻合。
Theoretical analysis and experimental measurement for current harmonics, the results are agreement.
在对混合电力滤波器的原理分析基础上，提出了检测交流侧谐波电流的控制方法。
A control method of AC side harmonic current detection, based on the keystone analyzing of the parallel hybrid power filter, has been put forward in the study.
通过对半控双三相12脉冲整流器的电流波形分析和傅立叶级数展开，得出系统的主要谐波成分。
Through analysis of the current waveform of the semi-control double three-phase 12-pulse rectifier and the expansion of Fourier series, the main harmonic components of the system were obtained.
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.
最后给出了实验电流的谐波分析及其结果。
At last, the result of harmonic analysis for current data saved in experiments has been described.
进而分析了气隙磁导谐波及电机饱和对微步驱动电流波形的影响。
Further along, the influence of harmonic wave of magnetic conductivity of air gap and saturation of motor on wave pattern of wind electric current of micro-step driving was analyzed.
基于自适应噪声抵消方法和人工神经网络(ANN)理论，提出一种谐波电流检测分析方法。
Based on self adaptive noise countervailing method and artificial neural network (ANN) theory, an approach for harmonics detection and analysis is presented.
深入细致地分析了谐波、间歇电弧、电流互感器、负荷、过渡电阻等多个因素对故障选线结果的影响，为方案的实用化奠定了基础。
The influences of several factors such as harmonics, intermittent arc grounding, ct, load and fault resistance have been thoroughly analyzed, therefore, it is fundamental work for its application.
从理论上分析了单相电压源pwm变流器输入电流的谐波特性。
The harmonic characteristic of input current in single-phase voltage source PWM converter is analyzed theoretically.
在对电流移动平均值原理进行分析的基础上，给出了电流平均值谐波检测方案及实现检测的原理框图。
At groundwork of analysis to the principle of current moving average the harmonic detecting scheme based this theory is presented and the diagrams of actualization is put forward.
给出了采用过零法和谐波分析法相结合来精确测量金属氧化物避雷器（MOA）阻性电流基波的新算法。
A new method be gived to measure MOA′s resistive fundamental harmonic leakage current(RFHC)by over-zero & harmonic analysis methods accurately.
对并联型电力有源滤波器建立了数学模型，详细地分析了在全数字控制下，谐波指令的生成和电流控制器的设计。
Having established the mathematic model of a parallel active power filter, this paper has analyzed the generation of harmonic current order and the design of its current controller in detail.
通过电路分析对电子镇流器存在的电源电流谐波高和功率因数低等问题。
In this paper has analysed high levels of harmonic currents and low Power factor of electronic ballast by circuit study.
运用谐波分析程序（HAP）对此方案进行校验，等效干扰电流达到了标准要求。
This design is verified by HAP program, the equivalent interfering current calculated by HAP is under the limited level.
分析了变换器低频电感电流的次谐波振荡问题，并提出了抑制措施，实验验证了理论分析的正确性。
Especially, the sub-harmonic oscillation of the low frequency inductor current is analyzed and the method to solve this problem is proposed.
本文分析了电力机车谐波电流在一般复线末端并联供电牵引网中的分布。
The distribution of the harmonic current of electric locomotives in double traction feeders, which are shunted at their ends, is analyzed in the paper.
在分析了十二相交-交变频器的数学模型后，仿真得出了十二相交-交变频器的输出电压电流波形，并对其进行了谐波的分析。
After analyzed the math model of the multi-phase cycloconverter, the simulation wave of output voltage and output current was given and the harmonic was analyzed.
分析了直流侧电感和电容滤波的整流器的谐波特性，进而把它们分为电流和电压型谐波源。
The harmonic characteristics of a rectifier with a DC filter inductor or capacitor are analyzed and then relevantlythey are classified into current type and voltage type harmonic source.
在许多普通形式的分析中，非线性负载担当电流源，产生电流的谐波成分。
In many common forms of analysis, the nonlinear load, acting as a current source, supplies the harmonic components of the current.
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。
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.
本文分析了目前文献中研究较多的基于多层前馈网络的谐波电流检测方法的基本原理。
This paper analyzes the basic principles of the harmonic detection method based on multilayer feedforward neural networks, which has been studied extensively at present.
在基于对等效电流源电路模型分析的基础上，推导出了单相单位功率因数变流器输出电流二次谐波的计算公式，将输出二次谐波电流正、反向交替注入交流输入侧来抵消电流中的谐波。
Derived the formula for computing quadratic harmonics of output current in the single phase unit power factor ac DC converter based on analysis of the circuit module of the equivalent current source.
理论分析和实验表明，基于双闭环重复控制的并网逆变器具有较高的输出电能质量和较低的并网电流谐波畸变率。
Theoretical analysis and experimental results verify that the dual closed loop repetitive control based inverter has high output energy quality and low THD of grid-connected current.
探讨与分析了电网谐波磁场及谐波电流对电动机的影响与危害。
This paper discusses and analyzes on the effects and harms of the harmonic magnetic field and harmonic current on the electromotor in electric network.
分析了电子镇流器产生谐波电流的原因，并以一种新型电子镇流器为例，指出了降低谐波含量、提高功率因数的方法及其实际意义。
A detail analysis of producing harmonics of electronic ballast is provided. The method to reduce the harmonics distortion and improve the power factor is derived.
由于谐波危害很大，而且谐波源分布广泛，因此对不同谐波源产生的谐波电流应逐个分析。
The harmonic wave has great harm, and harmonic sources are widely distributed, so the harmonic current caused by different harmonic sources should be analyzed one by one.
分别针对间谐波数值仿真信号、调幅信号及电弧炉电流作间谐波分析，结果表明：该方法抗噪声能力强、检测精度高，尤其对时变性较强的调幅性间谐波信号具有强适应性。
The simulation results show that the method has high antinoise capability, higher detection accuracy and the better adaptiveness to the amplitude inter harmonics signal of time change especially.
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