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Energies 2014, 7(3), 1376-1392; doi:10.3390/en7031376
Article

Design and Control of a Multi-Functional Energy Recovery Power Accumulator Battery Pack Testing System for Electric Vehicles

1
, 2
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 and 2,*
Received: 3 January 2014; in revised form: 10 February 2014 / Accepted: 21 February 2014 / Published: 5 March 2014
(This article belongs to the Special Issue Advances in Hybrid Vehicles)
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Abstract: In this paper, aiming at the energy loss and harmonic problems in the conventional power accumulator battery pack testing system (PABPTS), an improved multi-functional energy recovery PABPTS (ERPABPTS) for electric vehicles (EVs) was proposed. The improved system has the functions of harmonic detection, suppression, reactive compensation and energy recovery. The ERPABPTS, which contains a bi-directional buck-boost direct current (DC)-DC converter and a bi-directional alternating current (AC)-DC converter with an inductor-capacitor-inductor (LCL) type filter interfacing to the AC-grid, is proposed. System configuration and operation principle of the combined system are discussed first, then, the reactive compensation and harmonic suppression controller under balanced grid-voltage condition are presented. Design of a fourth order band-pass Butterworth filter for current harmonic detection is put forward, and the reactive compensator design procedure considering the non-linear load is also illustrated. The proposed scheme is implemented in a 175-kW prototype in the laboratory. Simulation and experimental results show that the combined configuration can effectively realize energy recovery for high accuracy current test requirement, meanwhile, can effectively achieve reactive compensation and current harmonic suppression.
Keywords: energy recovery; power accumulator battery pack testing system (PABPTS); harmonic detection; Butterworth filter energy recovery; power accumulator battery pack testing system (PABPTS); harmonic detection; Butterworth filter
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Long, B.; Ryu, J.H.; Lim, S.T.; Chong, K.T. Design and Control of a Multi-Functional Energy Recovery Power Accumulator Battery Pack Testing System for Electric Vehicles. Energies 2014, 7, 1376-1392.

AMA Style

Long B, Ryu JH, Lim ST, Chong KT. Design and Control of a Multi-Functional Energy Recovery Power Accumulator Battery Pack Testing System for Electric Vehicles. Energies. 2014; 7(3):1376-1392.

Chicago/Turabian Style

Long, Bo; Ryu, Ji H.; Lim, Shin T.; Chong, Kil T. 2014. "Design and Control of a Multi-Functional Energy Recovery Power Accumulator Battery Pack Testing System for Electric Vehicles." Energies 7, no. 3: 1376-1392.


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