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Harmonics Assessment and Mitigation
- power quality challenges in grid integration
PlotHarmonicas
- Code to emulate harmonic currents
active filter
- In this paper, an efficient active power filter (APF) scheme is developed to estimate and compensate for harmonic distortion in an electrical power network. The developed APF control scheme is based on a double proportional feedback controller and a
ip_iq.mdl
- 对ip-iq算法电流谐波检测搭建三相四线制电流谐波检测simulink模型，参数已经调节好可直接运行，输出波形。(The ip-iq algorithm is used to detect current harmonics, and a three-phase four wire current harmonic detection Simulink model is built. The parameters have been adjusted and can be directly op
APF_ip_iq
- 应用ip-iq法检测及补偿谐波，结果表明可以将谐波畸变率控制在5%国家标准之内(The ip-iq method is used to detect and compensate harmonics. The results show that the harmonic distortion rate can be controlled within 5% of the national standard.)
fft
- 用DFT 函数计算电压u, 电流i的基波(f1=50 Hz)的有效值和相位; 用FFT函数分别计算电压u和电流i 所包含的直流,基波和谐波的有效值和初相角; 可计算基波(f1=50 Hz)和各次谐波的功率p和功率因数con?.(The effective value and phase of fundamental wave (f1 = 50 Hz) of voltage U and current I are calculated by DFT function. The effect
singleNPC
- 实现三电平整流功能，相对于两电平，电平数更多，谐波更小(Achieve three-level rectification function, with more levels and less harmonics than two levels)
滑模有源滤波器
- 有源滤波器，低通滤波器检测谐波，加直流电源抵消谐波，效果较好，滑模控制方式(Active filter, low-pass filter to detect harmonics, plus DC power supply to cancel harmonics, better effect, sliding mode control)