In today's market, electric bikes (e-bikes) are becoming exceedingly popular due to their smaller size, ease of domestic charging and cost-friendly alternative in the category of electric vehicles. So, there is a need for the development of a power factor corrected (PFC) private off-board charger (OBC) to cater to the need of the domestic charging of e-bikes. Traditionally, e-bike chargers powered by a domestic meter are realised by a non-PFC OBC with a power rating of 500–700 W. Such converters draw harmonic currents at very high crest factor and affect the life and performance of other domestic appliances. A private OBC which derives its power from the domestic supply for charging the battery of an e-bike is proposed. The charger has two stages, i.e. the PFC stage for input current shaping and the DC–DC stage for regulating the battery charging voltage and charging current. The PFC stage is based on the single-ended primary inductance converter and the DC–DC stage is based on the inductor inductor capacitor (LLC) resonant converter. A 570 W, 57.6V, 10 A prototype is built using digital signal processor (TMS320F28035) to evaluate and validate its performance for charging a lithium-ion battery pack.
PFC-SEPIC converter-fed half-bridge LLC resonant converter for e-bike charging applications
IET Electrical Systems in Transportation ; 10 , 3 ; 225-233
2019-09-03
9 pages
Article (Journal)
Electronic Resource
English
power factor correction , digital signal processing chips , PFC-SEPIC converter-fed half-bridge , resonant power convertors , private OBC , harmonic currents , private off-board charger , digital signal processor TMS320F28035 , power system harmonics , electric vehicle charging , cost-friendly alternative , primary inductance converter , PFC stage , e-bike domestic charging , current 10.0 A , power factor corrected , lithium compounds , machine control , power rating , switching convertors , lithium-ion battery , charging current , electric bikes , electric vehicles , battery powered vehicles , domestic appliances , voltage control , LLC resonant converter , DC-DC power convertors , DC–DC stage , power 500.0 W to 700.0 W , bridge circuits , battery-charging voltage , battery chargers , voltage 57.6 V
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PFC‐SEPIC converter‐fed half‐bridge LLC resonant converter for e‐bike charging applications
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