Controlling Price-Responsive Heat Pumps for Overload Elimination in Distribution Systems

Zsuzsa Csetvei, Jacob Østergaard, Preben Nyeng

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Abstract

This paper investigates the possibility of applying electric heat pumps with the control-by-price-concept in order to avoid overload in a local distribution system. The proposed control algorithm is based upon a centrally dispatched real-time market price, reflecting the state of a larger power system, and is extended with a local price control for overload elimination on the corresponding feeder. The paper presents the mathematical models of a two-node system with price-responsive heat pumps, the chosen methodology of the central price calculation, and the proposed local feedback control architecture. The simulations of overload elimination have been carried out in Matlab. The results show the possibility of such auxiliary service by flexible units, which could be used for peak shaving in order to minimize the necessary oversizing of the power system components.
Original languageEnglish
Title of host publication2nd Innovative Smart Grid Technologies Conference : Book of Conference proceedings
PublisherIEEE
Publication date2011
Publication statusPublished - 2011
Event2011 IEEE PES International Conference and Exhibition on Innovative Smart Grid Technologies: ISGT-EUROPE 2011 - Manchester Central Convention Complex, Manchester, United Kingdom
Duration: 5 Dec 20117 Dec 2011
Conference number: 2
http://www.ieee-isgt-2011.eu/

Conference

Conference2011 IEEE PES International Conference and Exhibition on Innovative Smart Grid Technologies
Number2
LocationManchester Central Convention Complex
CountryUnited Kingdom
CityManchester
Period05/12/201107/12/2011
Internet address

Keywords

  • Dynamic pricing
  • Control-by-price
  • Real-time market.
  • Flexible demand

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