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http://dx.doi.org/10.7471/ikeee.2019.23.3.994

Power Conversion System for Electric Power Take-off of Agricultural Electric Vehicle  

Kwak, Bongwoo (Dept. of EV Components & Materials R&D Group, Korea Institute of Industrial Technology)
Kim, Jonghoon (Dept. of Electrical Engineering, Chungnam National University)
Publication Information
Journal of IKEEE / v.23, no.3, 2019 , pp. 994-1002 More about this Journal
Abstract
In this paper, we propose the development of a power conversion system for electric power take-off (e-PTO) of agricultural electric vehicles. Most e-PTOs use commercial power $220V_{AC}$. A bidirectional power conversion system having a two-stage structure consisting of a DC-DC converter and a DC-AC inverter for supplying a high output voltage using a low battery voltage of an agricultural electric vehicle is suitable. we propose a power conversion system consisting of the one-stage dual active bridge (DAB) converter and the two-stage bidirectional full bridge inverter. In addition, we propose a soft start algorithm for reducing the inrush current generated by the link capacitor charging during the initial operation. A 3kW prototype system and its corresponding algorithms have been implemented to verify its effectiveness through experiments.
Keywords
Electric Power Take-off; DAB; Bidirectional inverter; Inrush Current; Control Algorithm;
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Times Cited By KSCI : 2  (Citation Analysis)
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