Title

A New Quasi Resonant Dc Link For Single Phase Micro Inverter

Abstract

A new quasi resonant DC link that allows for pulse-width-modulation (PWM) is presented in this paper. The proposed quasi resonant DC link provides zero-voltage switching (ZVS) condition for the main devices by resonating the DC-link voltage to zero via three auxiliary switches and LC components. The operating principle and mode analysis are given. The simulation was carried out to verify the proposed soft switching technique. A 150W 120VAC single-phase prototype was built. The experimental results show that the soft switching for four main switches can be realized under different load conditions and the peak efficiency can reach 95.6%.The proposed quasi DC link can be applied to both single-phase and three-phase DC/AC micro inverter. © 2012 IEEE.

Publication Date

12-17-2012

Publication Title

2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012

Number of Pages

3221-3225

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.1109/ECCE.2012.6342345

Socpus ID

84870876277 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84870876277

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