A Realtime APF Method for Battery Ripple Current Reduction in HESS-Based Electric Vehicles

  title={A Realtime APF Method for Battery Ripple Current Reduction in HESS-Based Electric Vehicles},
  author={Xi Zhang and Chengliang Yin and Ying Jiang and Sanbo Pan},
  journal={2014 IEEE Vehicle Power and Propulsion Conference (VPPC)},
This paper presents an active power filtering (APF) method to reduce battery ripple currents negative to battery lifetime extension, in hybrid energy storage system (HESS) based electric vehicles (EVs). Deriving theoretical basis, the DC bus current is decomposed by improved Fast Fourier Transform (FFT) in real time, without knowing the driving cycle profile. With integration of motor information, the problem of FFT fundamental frequency and phase decision is solved for the first time in spite… CONTINUE READING


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