Harmonicsreduction Technique of 48 Pulse Converter with Pi Controller for Electric Vehicle Fast Charger


Authors : A. SRILATHA; Dr. A. PANDIAN; Dr. P. SRINIVASA VARMA

Volume/Issue : Volume 5 - 2020, Issue 9 - September

Google Scholar : http://bitly.ws/9nMw

Scribd : https://bit.ly/3lwtOlT

Total Harmonic reduction is a present day scenario where the demand and supply needs to full fill with much efficiency. The demand for the power electronic devices for the power quality created a supply with maximum harmonic reduction as the applications are being increased in day by day world. The charging station for the electric cars needed much less harmonics as it needs to convert DC to charge the batteries. Different types of filters are implemented but these filters have more stress on the architectural point and increase the overall cost of the station. A shunt filter along with PI controller is implemented in this paper. The shunt hybrid filter is applied for high power applications with 48 pulse AC/DC converter. The 48 pulse converter is implemented with the combination of the eight six pulse rectifier in parallel and are connected with four three phase transformers. The phase shift for different transformers is achieved by using star delta connection. The main focus of this article is to decrease the Harmonics like 3rd,5th,7th and 13th . This is more economical than any other alternate rectifier and will be concisely explained and verified and simulated in Matlab and Simulink.

Keywords : 48-pulse converter, 3 phase transformer, PI controller, Fast charger ,Electric vehicle, harmonics.

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