Light Flicker and Power Factor Labels for Comparing LED Lamp Performance

Adam Collin, Sasa Djokic, Jiri Drapela, Roberto Langella, Alfredo Testa

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

According to current energy efficiency labels, the majority of LED lamps on the market are considered as highly efficient devices. This makes it difficult to distinguish between lamps with different operational characteristics and performance. This paper introduces a comprehensive experimental-based labelling methodology for comparing LED lamp performance with reference to two additional important characteristics: light flicker and power factor. The new labelling methodology reveals that there is high diversity between different LED lamps with different circuit topologies but also for a given topology with different design choices. General consumers and design engineers can benefit from the simple and clear information presented by the set of comparative labels when comparing LED lamp performance.
Original languageEnglish
JournalIEEE Transactions on Industry Applications
Early online date31 May 2019
Publication statusE-pub ahead of print - 31 May 2019

Keywords / Materials (for Non-textual outputs)

  • LED lamps
  • driver circuits
  • labeling
  • Reactive power
  • Topology
  • Indexes
  • efficiency
  • labelling
  • light flicker
  • power factor
  • power quality
  • power system harmonics
  • Testing


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