Concerning maximum power point tracking for photovoltaic optimization using ripple-based extremum seeking control

Ali M. Bazzi, Philip T Krein

Research output: Contribution to journalArticlepeer-review

Abstract

This paper highlights key contributions in extremum seeking (ES) control and ripple correlation control (RCC). Maximum power point tracking (MPPT) utilizing the 120-Hz inherent inverter ripple is shown to be developed in the early 1980s. Even though that specific MPPT development did not explicitly mention ES control, the analysis presented there shows otherwise. RCC stability and operating properties are also addressed where the fundamental difference between RCC and popular ES control methods is the perturbation source. Since RCC utilizes inherent switching ripple in power electronics, the high ripple frequency leads to fast RCC convergence.

Original languageEnglish (US)
Article number5959287
Pages (from-to)1611-1612
Number of pages2
JournalIEEE Transactions on Power Electronics
Volume26
Issue number6
DOIs
StatePublished - Aug 3 2011

Keywords

  • Extremum seeking control
  • optimization methods
  • photovoltaic systems
  • ripple correlation control
  • solar power generation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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