Flicker spreading in a transmission network

  • Tonko Garma Power Engineering Department, FESB, University of Split
  • Denisa Galzina Croatian Transmission System Operator ( HOPS PrP Zagreb)
Keywords: Short term flicker (Pst), long term flicker (Plt), flicker origins, mitigation techniques, flicker mesurements, prediction model

Abstract

This paper reports the flicker spreading in the transmission network. Chapter 1 presents introduction containing brief background and key concepts, followed by description of the corresponding instrumentation in Chapter 2.  Key contribution of the paper is elaborated in Chapters 3 and 4.  Chapter 3 reports measurements of the flicker magnitude along the 400 kV, 220 kV and 110 kV transmission grid for various distances from flicker origin on 400 kV grid, and Chapter 4 gives cost-effective predictive model, enabling estimation of the flicker magnitude for arbitrary selected origin-to-spot distance base on non-linear regression approach. Paper is extension of the work presented at Smagrimet 2019 conference.

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Published
2020-02-18