On low-voltage dc network customer-end inverter energy efficiency

Andrey Lana*, Aleksi Mattsson, Pasi Nuutinen, Pasi Peltoniemi, Tero Kaipia, Antti Kosonen, Lassi Aarniovuori, Jarmo Partanen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


In this paper, the results of the energy efficiency and power loss measurements of a 16 kVA customer-end inverter (CEI) unit are analyzed. The CEI is part of the low-voltage dc (LVDC) distribution network. The efficiency of the CEI power conversion significantly affects the energy efficiency of the LVDC distribution network and the electricity supply chain. The efficiency of the CEI and its components is measured by applying calorimetric and electrical input-output methods. The power loss measurement results are analyzed, and the power loss mechanisms are described. The efficiency optimization goals are discussed and set.

Original languageEnglish
Article number6881678
Pages (from-to)2709-2717
Number of pages9
JournalIEEE Transactions on Smart Grid
Issue number6
Early online date21 Aug 2014
Publication statusPublished - 1 Nov 2014


  • AC-DC power converters
  • calorimetry
  • energy efficiency


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