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Bidirectional multiport microinverter and grid-multimode-operation control for a non-linear load

  • Pontifical Catholic Univ. of Peru

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

Micro-inverters usually are used to connect photovoltaic panels (PV) to the electricity grid. If the energy provided by the panel is not enough to satisfy the demands, the system becomes dependent exclusively of the grid. This constraint demands the use of a battery bank, therefore it is necessary to add a third port to the micro-inverter to connect this energy backup. In this paper, a two stage micro-inverter is proposed, the first stage is a DC/DC Triple Active Bridge (TAB) converter that integrates a back-up battery and works in soft switching; and the second stage is a Voltage Source Inverter (VSl) that operates in both grid-connected mode (GCM) and Stand Alone Mode (SAM). The grid-multimode operation controller developed detects the islanding fault and maintains the energy quality for a typical nonlinear load. Reliability and robustness of Uninterrupted Power Supplies (UPS) are increased by the proposed control.

Original languageEnglish
Title of host publication2017 3rd IEEE Workshop on Power Electronics and Power Quality Applications, PEPQA 2017 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781509066780
DOIs
StatePublished - 14 Jul 2017
Event3rd IEEE Workshop on Power Electronics and Power Quality Applications, PEPQA 2017 - Bogota, Colombia
Duration: 31 May 20172 Jun 2017

Publication series

Name2017 3rd IEEE Workshop on Power Electronics and Power Quality Applications, PEPQA 2017 - Proceedings

Conference

Conference3rd IEEE Workshop on Power Electronics and Power Quality Applications, PEPQA 2017
Country/TerritoryColombia
CityBogota
Period31/05/172/06/17

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Islanding
  • Micro-inverter
  • Multimode-Operation Control
  • Non-Linear Load
  • Soft-Switching

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