Ripple-port module-integrated inverter for grid-connected PV applications

Souhib Harb, Mehran Mirjafari, Robert S. Balog

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

The single-phase inverter has inherent double-frequency power ripple, which if not mitigated internally appears at the input port and deteriorates the MPPT performance. Conventional dc link inverter topologies filter this significant double-frequency ripple by means of the bus capacitance, usually in the form of electrolytic capacitors which have well-known lifetime challenges. This paper presents a double-frequency ripple cancelation concept and experimental proof of concept. The proposed module-integrated inverter is based on the commonly used two-stage inverter. However, a third port is added for ripple cancelation purposes. Hence, a very small capacitance is needed, and, as a result, high reliability film capacitor can be used instead of the bulky, low reliability electrolytic ones.

Original languageEnglish
Title of host publication2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012
Pages1115-1120
Number of pages6
DOIs
Publication statusPublished - 17 Dec 2012
Event4th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2012 - Raleigh, NC, United States
Duration: 15 Sep 201220 Sep 2012

Publication series

Name2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012

Other

Other4th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2012
CountryUnited States
CityRaleigh, NC
Period15/9/1220/9/12

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ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Fuel Technology

Cite this

Harb, S., Mirjafari, M., & Balog, R. S. (2012). Ripple-port module-integrated inverter for grid-connected PV applications. In 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012 (pp. 1115-1120). [6342693] (2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012). https://doi.org/10.1109/ECCE.2012.6342693