Load Flow Analysis Framework for Active Distribution Networks Based on Smart Meter Reading System

Merkebu Zenebe Degefa; Robert John Millar; Matti Koivisto; Muhammad Humayun; Matti Lehtonen

doi:10.4236/eng.2013.510A001

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Load Flow Analysis Framework for Active Distribution Networks Based on Smart Meter Reading System ()

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DOI: 10.4236/eng.2013.510A001 5,509 Downloads 8,389 Views Citations

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Merkebu Zenebe Degefa, Robert John Millar, Matti Koivisto, Muhammad Humayun, Matti Lehtonen

Affiliation(s)

Department of Electrical Engineering, Aalto University, Espoo, Finland.

ABSTRACT

With the expansion of distributed generation systems and demand response programs, the need to fully utilize distribution system capacity has increased. In addition, the potential bidirectional flow of power on distribution networks demands voltage visibility and control at all voltage levels. Distribution system state estimations, however, have traditionally been less prioritized due to the lack of enough measurement points while being the major role player in knowing the real-time system states of active distribution networks. The advent of smart meters at LV loads, on the other hand, is giving relief to this shortcoming. This study explores the potential of bottom up load flow analysis based on customer level Automatic Meter Reading (AMRs) to compute short time forecasts of demands and distribution network system states. A state estimation frame-work, which makes use of available AMR data, is proposed and discussed.

KEYWORDS

Active Network; Demand Response; Dynamic Rating; Load Forecast; Load Modeling; Smart Meter; State Estimation

Cite this paper

M. Degefa, R. Millar, M. Koivisto, M. Humayun and M. Lehtonen, "Load Flow Analysis Framework for Active Distribution Networks Based on Smart Meter Reading System," Engineering, Vol. 5 No. 10A, 2013, pp. 1-8. doi: 10.4236/eng.2013.510A001.

Conflicts of Interest

The authors declare no conflicts of interest.

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