Multiplication based synthesis of grid tied inverters

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Abstract

High energy conversion efficiency of grid tied inverters for renewable energy applications constitutes a prime design goal of these systems. On the other, presently employed PWM techniques seem to set a bound to the efficiency since the associated switching losses are difficult to reduce. This paper introduces a new approach to synthesis of sinusoidal waveform in which the switching frequency is relatively low (in contrast to PWM technique) which yield a major reduction in switching losses. Even though the switching frequency is low, the harmonic content at the inverter's output is extremely low which allow for significant size decrease of the output filter. The method is based on a multiplication like principle, which is described in this paper.

Original languageEnglish
Title of host publication2008 IEEE 25th Convention of Electrical and Electronics Engineers in Israel, IEEEI 2008
Pages841-845
Number of pages5
DOIs
StatePublished - 2008
Event2008 IEEE 25th Convention of Electrical and Electronics Engineers in Israel, IEEEI 2008 - Eilat, Israel
Duration: 3 Dec 20085 Dec 2008

Publication series

NameIEEE Convention of Electrical and Electronics Engineers in Israel, Proceedings

Conference

Conference2008 IEEE 25th Convention of Electrical and Electronics Engineers in Israel, IEEEI 2008
Country/TerritoryIsrael
CityEilat
Period3/12/085/12/08

Keywords

  • Grid tied inverter
  • Harmonics compensation
  • Interleaving
  • Photovoltaic inverter
  • THD

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