Performance evaluation of improved Y source power factor correction converter with enhanced power quality in EV rapid charger application

• Published in: Electrical engineering Vol. 106; no. 4; pp. 4787 - 4805
• Main Authors: Suresh, Prathiba, Kalirajan, Karthik Kumar, Soundarapandian, Kamaraja Arunavathi, Nadar, Edward Rajan Samuel
• Format: Journal Article
• Language: English
• Published: Berlin/Heidelberg Springer Berlin Heidelberg 2024; Springer Nature B.V
• Subjects: AC-DC converters; Alternating current; Closed loops; Control stability; Controllers; Dynamic response; Economics and Management; Electric vehicle charging; Electrical Engineering; Electrical Machines and Networks; Energy conversion efficiency; Energy Policy; Engineering; Feedback control; Harmonic distortion; Original Paper; Performance evaluation; Power Electronics; Power factor; Proportional integral derivative; Robust control; Topology; Power factor correction; AC–DC converter; Power quality improvement; PID (Proportional–Integral–Derivative) controller
• ISSN: 0948-7921; 1432-0487
• DOI: 10.1007/s00202-024-02258-2

This article presents a unique approach to designing an Improved Y Source Power Factor Correction converter with a Proportional–Integral–Derivative Controller (PIDC). The goal is to achieve precise control, enhanced stability, and improved power quality at the source side. The converter offers advantages like close to unity power factor, reduced source side distortion, and simplified component count, resulting in improved power quality and streamlined design for electric vehicle chargers. Compared to traditional controllers, the PIDC-based solution exhibits superior dynamic response with quick rise time and minimal overshoot. It effectively handles uncertainties and issues associated with conventional AC–DC converters. Using MATLAB/Simulink, the converter is modeled and compared with other converters. The steady-state performance of 2 kW converters with closed-loop control is extensively analyzed under varying source voltages and loading power conditions. The proposed solution demonstrates stable operation even under sudden disturbances in load or input voltage. Experimental results from a hardware prototype of the 650-W converter confirm excellent transient behavior and power quality performance. The proposed topology is theoretically analyzed and experimentally validated, revealing an approximate power factor of one and total harmonic distortion of the input current at 1.2 and 1.18%, respectively. The maximum operational efficiency achieved is 95.6 and 96.3%. This article contributes to power conversion technology advancement and serves as a comprehensive guide for designing robust controllers with precise control for improved power quality.