High power transformerless photovoltaic inverter

I. Daut, M. Irwanto*, Y. M. Irwan, N. Gomesh, M. Adzri, M. Fitra

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

4 Citations (Scopus)

Abstract

This paper presents a new topology of high power three-level transformerless photovoltaic inverter (TPVI). It consists of three main circuits; they are a pulse driver circuit, a full bridge inverter (FBI) circuit and a power factor correction (PFC) circuit that have functions as production of pulse waves, to develop alternating current (AC) waveform and to stable voltage of PV array, respectively. To obtain the high power of the TPVI, five FBI circuits are connected in parallel. Each FBI circuit uses MOSFET IRFP460 which has rating current of 20 A, therefore the total FBI circuit has applicable maximum current of 100 A. The high power TPVI is installed in front of Centre of Excellent for Renewable Energy (CERE), Universiti Malaysia Perlis, Northern Malaysia. Its main energy source is a PV array that consists of three unit PV modules are connected in series, each unit has 81 V, 60 W. Some three unit PV modules are connected in parallel to fulfill the demand of high AC power. In this research, an AC three-level waveform of the TPVI is developed and created by a microcontroller PIC16F627A-I/P.

Original languageEnglish
Pages (from-to)465-472
Number of pages8
JournalEnergy Procedia
Volume36
DOIs
Publication statusPublished - 2013
Externally publishedYes
EventTerraGreen 2013 International Conference on Advancements in Renewable Energy and Clean Environment - Beirut, Lebanon
Duration: 15 Feb 201317 Feb 2013

Keywords

  • High power
  • Inverter
  • Solar irradiance
  • Temperature
  • Transformerles

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