Simulation Study on Harmonic Detection of Electric Vehicle Charging Station Based on Fuzzy Theory
With the vigorous development of electric vehicles,charging piles came into being.However,the harmonics generated by the charging pile cause serious damage to the power grid.In this paper,the Active Power Filter(APF)is used to suppress harmonics.The traditional hysteresis current tracking control has the shortcom-ings such as insufficient APF compensation ability and unsatisfactory compensation effect.In this paper,the vari-able-loop wide-hysteretic current control based on fuzzy theory is proposed.By changing the ring width,the dy-namic tracking control of the current is realized.Finally,the two harmonic suppression methods are simulated and analyzed.The results show that the variable-loop wide-hysteresis current control based on fuzzy theory can dynamically compensate the current well,and the compensation effect is better.
Active power filterHarmonic suppressionElectric vehicleSimulation analysis
万方数据
维普
