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Time-varying cost of loss evaluation in distribution networks using market marginal price

Authors
Journal
International Journal of Electrical Power & Energy Systems
0142-0615
Publisher
Elsevier
Volume
62
Identifiers
DOI: 10.1016/j.ijepes.2014.05.028
Keywords
  • Locational Marginal Price
  • Distribution Network
  • Phase Balancing
  • Hourly Load
Disciplines
  • Economics
  • Engineering

Abstract

Abstract In the electric power system planning process, engineers seek to identify the most cost-effective means of serving the load within reliability and power quality criteria. In order to accurately assess the cost of a given project, the feeder losses must be calculated. In the past, it was necessary to estimate the feeder losses based upon the peak load and a calculated load factor for the year. The cost of these losses would then be calculated based upon an expected, fixed per-kWh generation cost. This paper presents a more accurate means of calculating the cost of losses, using hourly feeder load information and time-varying electric energy cost data. This paper attempts to quantify the improvement in accuracy and presents an example where the economic evaluation of a planning project requires the more accurate loss calculation.

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