Performance Improvement of Soft Switching DC–DC Boost Converter for Photovoltaic (PV) Applications
This paper presents a soft-switching DC–DC boost converter using a resonant circuit with an active switch for improved performance. The proposed DC–DC converter achieves high efficiency with low voltage stress by employing zero current switching (ZCS) during turn-on and
zero voltage switching (ZVS) during turn-off for both the main and auxiliary switches. The operating principles of each mode are analyzed and a detailed design procedure of the proposed boost converter is presented. Moreover, the proposed converter can be used for photovoltaic (PV) energy
system especially to realize maximum power point tracking (MPPT) to maximize the efficiency of PV energy system. The analysis of proposed converter in the paper is demonstrated by both simulation and experimental results for effectiveness of the study.
Keywords: DC–DC BOOST CONVERTER; MAXIMUM POWER POINT TRACKING (MPPT); PHOTOVOLTAIC (PV) ARRAY; SOFT SWITCHING; ZERO CURRENT SWITCHING (ZCS); ZERO VOLTAGE SWITCHING (ZVS)
Document Type: Research Article
Publication date: 01 March 2014
- The electronic systems that can operate with very low power are of great technological interest. The growing research activity in the field of low power electronics requires a forum for rapid dissemination of important results: Journal of Low Power Electronics (JOLPE) is that international forum which offers scientists and engineers timely, peer-reviewed research in this field.
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