Nonlinear control of fuel cell hybrid power sources: Part II - Current control

N. Bizon

Applied Energy, 2011, vol. 88, issue 7, 2574-2591

Abstract: In this paper is proposed a nonlinear current-mode control for the fuel cell/battery/ultracapacitor hybrid power sources (HPS) that improves the ripple factor of the fuel cell current. The nonlinear current control is analyzed and designed using a systematic approach. The design goal is to generate an anti-ripple via buck current controlled source in order to mitigate the inverter current ripple. All the results have been validated in several simulations. The simulation results successfully show that nonlinear current-mode control determines in the low frequency-domain better performances than other current-mode control techniques, such as the hysteretic current-mode controller or the peak current-mode controller. The current ripple factor is one of the used performance indicators.

Keywords: Nonlinear; current-mode; control; Fuel; cell; Hybrid; power; source; Current; ripple; factor; Anti-ripple; current (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (15)

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