Light Load Efficiency Improvement Of Solar Farms Three-Phase Two-Stage Module Integrated Converter

Keywords

Efficiency Improvement; Phase Skipping Control; Solar Farm; Three-phase Two-Stage Module Integrated Converter

Abstract

In this paper, a method of maintaining high power conversion efficiency across the entire load range of a three-phase micro-inverter is proposed. The proposed control method substantially increases the conversion efficiency at light loads by minimizing switching losses of semiconductor devices as well as core losses of magnetic components. This is accomplished by entering a phase skipping operating mode wherein two phases of an inverter are disabled and three inverters combined to form a new three phase system with minimal grid imbalance. The performance of the proposed control method was evaluated on a 400W, 208VAC three-phase micro-inverter.

Publication Date

5-10-2016

Publication Title

Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

Volume

2016-May

Number of Pages

3333-3337

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.1109/APEC.2016.7468345

Socpus ID

84973664370 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84973664370

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