摘要
有效的谐波治理有助于保障供用电设备的安全经济运行。针对传统SVPWM控制策略在求取合成电压矢量角度时需要进行大量三角函数运算,提出了一种以三相电压数值大小进行扇区判断的改进方法。该方法有效简化了运算过程,提高了运算效率。对于传统的Ip-Iq谐波检测法提出将二阶巴特沃斯滤波器和均值滤波器相串联组成改进的滤波器,以便提高电流谐波检测精度和响应速度。在Matlab/Simulink中搭建并联混合APF模型,仿真验证了以上两种改进的方法具有较高的谐波检测精度和较好的补偿效果。
The effective harmonic control helps to ensure the safe and economic operation of power supply and utilization equipment.Aiming at the large number of trigonometric functions needed in traditional SVPWM control strategy to obtain the angle of synthetic voltage vector,an improved method of sector judgment based on the value of three-phase voltage is proposed,which effectively simplifies the operation process and improves the operation efficiency.For the traditional Ip-Iq harmonic detection method,the second-order Butterworth filter and mean filter are connected in series to form an improved filter to improve the current harmonic detection accuracy and response speed.A parallel hybrid APF model is built in Matlab/Simulink.The simulation results show that the two improvements have higher harmonic detection accuracy and better compensation effect.
作者
王帅哲
王金梅
王永奇
马文涛
WANG Shuai-zhe;WANG Jin-mei;WANG Yong-qi;MA Wen-tao(School of Physics and Electronic and Electrical Engineering,Ningxia University,Yinchuan 750021,China;Key Laboratory of Ningxia Desert Information Intelligent Perception Autonomous Region,Yinchuan 750021,China)
出处
《电气传动自动化》
2018年第1期1-5,共5页
Electric Drive Automation
基金
国家自然科学基金资助项目(51167015)
