Open AccessInductively coupled modular battery system for electric vehicles
Author(s) -
Kandasamy Karthik,
Vilathgamuwa Don Mahinda,
Madawala Udaya Kumara,
Tseng KingJet
Publication year - 2016
Publication title -
iet power electronics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.637
H-Index - 77
eISSN - 1755-4543
pISSN - 1755-4535
DOI - 10.1049/iet-pel.2014.0553
Subject(s) - unavailability , battery (electricity) , modular design , battery pack , maximum power transfer theorem , automotive engineering , fault (geology) , engineering , electric vehicle , power (physics) , interface (matter) , embedded system , electrical engineering , computer science , reliability engineering , pulmonary surfactant , gibbs isotherm , chemical engineering , seismology , geology , physics , quantum mechanics , operating system
This study proposes two novel modularised battery systems capable of controlling the power of each module independently, and with inductive interface for convenient battery swapping. The proposed systems aid in overcoming the limitations such as unavailability of electric vehicle (EV) due to battery pack fault and lengthy battery recharging time which largely hampers the adoption of EVs for personal transportation. The proposed systems consist of a plurality of battery modules which are wirelessly coupled to the EV through inductive power transfer technology. The proposed systems are described in detail, and models are presented to analyse their steady‐state behaviours. A design guideline for a 24 kWh 80 kW battery micro‐pack system is discussed. Performances of the proposed topologies are investigated using simulations. To demonstrate the applicability, prototype systems of 1.5 kW are implemented and tested under various operating conditions. Results convincingly indicate that the proposed systems improve the vehicle's availability under fault condition.