The simulation analysis for increasing output power in photovoltaic system by using segmented string and constant voltage boost chopper with MPPT

Xiaoyang Li, Teruhisa Kumano

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In photovoltaic (PV) generation system, PV panels can be easily covered by shadows from obstacles around the power station. These shadows cannot cover all of the panels so it called partial shades. In this situation PV system loses its power output very large. This paper gives a software plus hardware’s proposal to increase power output of PV system which is covered by partial shades. In this proposal, new array circuit and new chopper are developed and compared with former types in power output level and quality. We conclude newer chopper’s power output can decrease the partial shades’ loss from the former types’ 40% to the newer types’ 9%.

Original languageEnglish
Article number399
Pages (from-to)575-580
Number of pages6
JournalRenewable Energy and Power Quality Journal
Volume1
Issue number15
DOIs
Publication statusPublished - Apr 2017

Keywords

  • Constant Voltage Boost Chopper
  • MPPT Algorithm
  • PV Generation System
  • Partial Shades
  • Segmented String

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