谐波补偿

基于APF的特定次谐波补偿方案研究

The Research of Specific Harmonic Compensation based on APF

基于谐振控制器带谐波补偿功能的DVR

Dynamic Voltage Restorer with Harmonic Compensation Function Based on Resonance Controller

有源滤波器（ActivePowerfilter，APF）是近年来提出的新型无功、谐波补偿装置。

Active power filter ( APF ) is a new type of compensation device for reactive power and harmonics .

该文为并联型电力有源谐波补偿系统建立了包括各个子系统在内的整体仿真模型，并基于MATLAB作了二次开发。该系统仿真模型结果准确，能实时反映动态过程变化。

A simulation model of harmonic compensator system based on Matlab is proposed in the paper .

双变换UPS中PWM整流器的二次谐波补偿和电容电压分时控制

Second-harmonic compensation method and capacitor-voltage time-sharing control scheme for a double conversion UPS rectifier

三相单开关DCMBoost整流器的谐波补偿法研究

Compensation Research on Novel Harmonic Injection Method for Single-switch Three-phase DCM Boost Rectifiers

基于APF的谐波补偿中的几种谐波电流检测方法

Several method of detecting harmonic current in the APF based harmonic compensation

通过仿真验证了复数PI控制的效果以及谐波补偿策略的正确性。

A PI controller of compensating current is designed , and effectiveness of the PI and the model of compensating harmonic current are verified by simulation .

MOV阻性电流谐波补偿法的研究

Investigation of Harmonic Compensation Technique for Measuring MOV Resistive Current

再次，针对APF灵活性和适应性问题，本文对APF选择性谐波补偿方法进行了研究。

Thirdly , in order to enhance the flexibility and adaptability of the APF , the selective harmonic compensation technique was studied .

从而说明对电流型或电压型谐波源进行谐波补偿，应该分别使用并联型或串联型APF。

Therefore , it is demonstrated that the shunt or series APF should be used for compensating the current or the voltage harmonic source .

同时，从补偿和滤波两种思想出发，指出并联型谐波补偿有源电力滤波器（APF）的补偿作用和串联型基波补偿APF的滤波作用可适用于非线性负载谐波电流的抑制。

From the idea of compensation and filtering , the parallel compensating harmonic APF and series compensating fundamental wave APF are suitable for suppressing harmonic current .

四象限变流器（4QC）在电力有源无功与谐波补偿、FACTS和电气传动等系统都获得了广泛的应用。

4-quadrant converters ( 4QC ) have been widely applied in power active VAR and harmonic compensator , FACTS and electric drive systems etc .

这种控制策略很好地解决了逆变器输出『F弦电流的快速准确跟踪问题，并且勿需坐标变换，具有谐波补偿容易、计算简单等优点。

This control strategy is a good solution to the problem of fast and accurate tracking the inverter output sinusoidal current . It does not require coordinate transformation , and has the advantages of harmonic compensation easy and simple calculation .

为了提高DVR的使用效率，本文提出了静止坐标下的谐振控制器。在不影响DVR原有的凹陷补偿机制的情况下给动态电压恢复器加上谐波补偿功能。

To increase the efficiency of DVR , this paper proposes a resonant controller to add a harmonic compensation to DVR without affecting the voltage drop mechanism .

从dp轴上的方程分析，发现了dp轴上的电流之间的存在耦合关系，对其解耦并在dp轴上对电流进行PI控制以提高谐波补偿效果。

By model analysis on dp axis , we found coupling between currents on dp axis . We then uncoupled the currents and add PI control on dp axis to improve the compensation effect .

系统电流内环闭环传递函数中存在右半平面零点且距虚轴较近，这样造成控制系统Q值较大、调节时间加长、系统谐波补偿滞后。

Closed-loop system transfer function of inner current loop has the right half plane zero and close from the imaginary axis , so that the control system Q value is larger and the setting time is longer . It lags the system harmonic compensation time .

早期谐波补偿采用无源滤波器（LC滤波器），但由于设计原理及滤波方式本身固有的缺陷，不能达到完善、随机治理的目的，有源滤波器可以克服无源滤波的不足但其容量不大。

Early harmonic compensation is completed by the passive filter which can not implement perfect and random management for its design principle and the intrinsic defects , while the active filter can conquer the defects but its capacity is very small .

谐波补偿信号的硬件电路主要采用DSP器件TMS320C5410，模拟接口电路TLC320AD50C以及信号调整电路组成。

The hardware circuit of harmonic compensation signal is composed of the DSP device TMS320C5410 , the analog interface circuit TLC320AD50C and the signal adjustment circuit .

并采用数字信号处理器（DSP）实现从采集的电源信号中分析出谐波补偿信号，并将此信号转换成模拟信号输出，作为有源电力滤波器的控制信号，使有源电力滤波成为可能。

And we set the stage for implement the active filter by using Digital Signal Processor ( DSP ) to select out the harmonic compensation signal in the collection source signals and convert it to the output current analog signal as the controlling signal of the linear power filter .

由于功率器件耐压水平的限制，传统的2电平拓扑结构有源电力滤波器（APF）难以实现对高压非线性负载的谐波补偿。

Due to the overvoltage limitation of the power devices , it is very difficult to mitigate harmonic produced from the nonlinear loads in high voltage grids with the help of a traditional active power filter ( APF ) with two-level inverter .

针对中频逆变器的特点，改进了不对称规则采样以减小数字控制带来的延时，采用负载电流前馈的控制方式，并将比例谐振控制器（PR）和低次谐波补偿运用在逆变器控制中。

According to the characteristics of medium frequency inverter , asymmetric regular sampling is improved to reduce the delay brought about by digital control , load current feed-forward control is adopted , Proportional resonant controller ( PR ) and low-order harmonics compensation are also applied to the control of inverter .

结果表明，本文所提出的装置采用TTA（基于时域变换）算法，不但具有良好的谐波补偿能力，并且还能补偿无功和抑制不平衡电流和中线电流。

The results show that the device based on TTA ( Time-domain based Transform Algorithm ) has the perfect performance in that it not only decreases largely THD but also compensates effectively the reactive and imbalance current .

为解决强非线性与类随机性负荷下的瞬时无功与谐波补偿问题，综合应用ip-iq法和p-q法，提出了一种有效的瞬时无功与谐波电流检测算法。

To pursue an improved solution to instantaneous reactive power and harmonics compensation with intensively nonlinear and quasi-stochastic loads , an effective algorithm is presented by comprehensive integration of i_p-i_q and p-q methods to detect instantaneous reactive power and harmonic currents .

基于电铁牵引变电站的单相混合型谐波补偿系统研究

Research on Single-Phase Hybrid Power Filter System for Electric Traction Substation

仿真结果表明，若参数选取适当，该系统具有较好的谐波补偿效果。

Simulation demonstrate that the compensating effect of the system is good .

利用误差谐波补偿法提高金属圆光栅测角精度

Improving the accuracy of new-type encoders using error harmonic compensation

通过分析混合滤波器谐波补偿原理，文中提出了一种复合控制策略。

The new control strategy of the hybrid power filter is also presented .

利用谐波补偿改善电网质量

Modification of electric - network by using harmonic compensation

有源电力滤波器快速谐波补偿控制方法研究

Research on Fast Control Strategies of Active Power Filter