76 Citations (Scopus)

Abstract

This paper presents a practical implementation of a grid interactive photovoltaic Uninterruptible Power Supply (UPS) system using battery storage and a back up diesel generator. The system incorporates 2.5 kWp of photovoltaic arrays, a 10 kVA power conditioning unit capable of operating in both inverting and charging modes, and a 300-Ah battery bank. Two such systems were installed in two Indian cities. The project was implemented using soft loans available in India through a World Bank Loan for photovoltaic market development. The system has been working satisfactorily since May 1997 and has demonstrated the capability of the system to provide uninterrupted power, demand side management function and load voltage stabilization in a grid which experiences frequent blackouts and under/over voltage problems. Some results from the field installation are also included in this paper.

Original languageEnglish
Pages (from-to)348-353
Number of pages6
JournalIEEE Transactions on Energy Conversion
Volume15
Issue number3
DOIs
Publication statusPublished - Sept 2000

Keywords

  • Battery storage
  • Demand side management
  • PWM converter
  • Photovoltaic
  • Uninterruptible power supply

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