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Utility-based economic assessment of distribution transformers considering specific load characteristics and environmental factors

ELEFTHERIOS I. AMOIRALIS1,* , PAVLOS S. GEORGILAKIS1, MARINA A. TSILI2, ATHANASSIOS T. SOUFLARIS3

Affiliation

  1. Department of Production Engineering & Management, Technical University of Crete, GR-73100, Chania, Greece
  2. Faculty of Electrical & Computer Engineering, National Technical University of Athens, GR-15780, Athens, Greece
  3. Schneider Electric AE, Elvim Plant, GR-32011, Inofyta, Viotia, Greece

Abstract

Due to the large number of installed distribution transformers in power systems, there is a considerable potential for energy savings through investment in low loss transformers. This paper investigates different methodologies for the economic assessment of distribution transformers taking into account the detailed load characteristics that affect their life cycle cost. The analysis is conducted from the electric utility point of view, using the total owning cost formula and introducing built-in environmental factors..

Keywords

Distribution Transformer, Energy Efficient Transformer, Cost Evaluation Model, Loss Evaluation, IEEE Standard C57.120, Total Owning Cost, External Environmental Cost, Sensitivity Analysis.

Submitted at: March 13, 2008
Accepted at: May 14, 2008

Citation

ELEFTHERIOS I. AMOIRALIS, PAVLOS S. GEORGILAKIS, MARINA A. TSILI, ATHANASSIOS T. SOUFLARIS, Utility-based economic assessment of distribution transformers considering specific load characteristics and environmental factors, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 5, pp. 1184-1191 (2008)