Author(s): Sushma S. Shetty, Dr. V. Chayapathy
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Volume. 6 - Issue. 09 , September - 2017
This paper presents a 6.5kW IGBT based DSP controlled constant voltage battery charger designed and implemented for Railway Coaches. The proposed battery charger comprises of a three phase uncontrolled bridge rectifier at the front end and an IGBT based full bridge DC-DC converter at the output end. The rectifier circuit converts the three phase 415V AC supply to DC. The rectified DC output is given as input to the full bridge DC-DC converter. The converter then generates a regulated and isolated DC voltage which is used to charge the battery. A complete analysis of full bridge DC-DC converter, design considerations and validation of simulation results are discussed in this paper.
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