A smart load appliance application using a single compressor fridge-freezer to support grid operations

Macarena Martin Almenta, John Morrow, Robert Best, Brendan Fox, Aoife Foley

Research output: Contribution to conferencePaperpeer-review

4 Citations (Scopus)

Abstract

This paper describes a fridge-freezer smart load model, which responds to external signals from the wholesale electricity market to support grid operations while switching the fridge-freezer on and off to maintain optimum operations for the owner. The key parameters of the model are the appliance dimensions, thermal mass, the fridge and freezer thermal time constants and the compressor power consumption. The model demonstrates that control strategies help to minimise load at times when the grid is under stress from high demand, and shift some load to a lower wholesale price or when there is excess renewable power. Three control strategies are proposed, based on peak shaving and valley filling, price signals and wind availability.

Original languageEnglish
Number of pages5
DOIs
Publication statusPublished - Sep 2014
Event49th International Universities Power Engineering Conference, UPEC 2014 - Cluj-Napoca, Romania
Duration: 02 Sep 201405 Sep 2014

Conference

Conference49th International Universities Power Engineering Conference, UPEC 2014
Abbreviated titleUPEC 2014
CountryRomania
CityCluj-Napoca
Period02/09/201405/09/2014

Keywords

  • Fridge-freezer
  • Load participation
  • Modelling
  • Smart appliance
  • Smart Grid

ASJC Scopus subject areas

  • Energy Engineering and Power Technology

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