The effect of converter efficiency on DEAP-based energy conversion: an overview and optimization method

Rick van Kessel; Ambroise Wattez; Pavol Bauer

doi:10.1117/12.2045121

8 March 2014 The effect of converter efficiency on DEAP-based energy conversion: an overview and optimization method

Rick van Kessel, Ambroise Wattez, Pavol Bauer

Proceedings Volume 9056, Electroactive Polymer Actuators and Devices (EAPAD) 2014; 90561D (2014) https://doi.org/10.1117/12.2045121
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2014, San Diego, California, United States

Abstract

This work presents an integral approach to the power electronic challenges that are faced in DEAP-based energy conversion, such as wide converter operating ranges and high peak-to-average ratios. It is shown that for small strain cycles, the losses in the Power Electronic Converter (PEC) due to the cyclic charging and discharging are dominant. The efficiency profile of a realistic, high-voltage modular PEC was measured and fed into an optimization algorithm. The current amplitude, phase and shape are optimized, and different cycle types are compared. With optimization results for a wide strain range, it is demonstrated that with properly adapted harvesting cycles, the overall conversion efficiency is significantly improved, especially for small strain cycles.

Citation Download Citation

Rick van Kessel, Ambroise Wattez, and Pavol Bauer "The effect of converter efficiency on DEAP-based energy conversion: an overview and optimization method", Proc. SPIE 9056, Electroactive Polymer Actuators and Devices (EAPAD) 2014, 90561D (8 March 2014); https://doi.org/10.1117/12.2045121

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