Smart Demand for Frequency Regulation: Experimental Results

Philip James Douglass, Rodrigo Garcia-Valle, Preben Nyeng, Jacob Østergaard, Mikael Togeby

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Abstract

As renewable energy sources increase their penetration, the traditional providers of frequency regulation service, fossil fueled thermal power plants, will be displaced, motivating the search for novel providers such as demandside resources. This paper presents the results of field experiments using demand as a frequency controlled reserve (DFCR) on appliances with programmable thermostats. The experiments conducted showed the response of a population
of thermostatically controlled loads acting as normal reserves and disturbance reserves as defined by the Nordic Grid Codes [1]. In addition, industrial pump loads and relay-controlled loads were tested as DFCR. The tests show that a population of refrigerators was able to deliver frequency reserves approximately equal to their average power consumption. Electric space heaters were able to provide frequency reserves of over 90% their maximum power consumption in certain weather conditions.
Original languageEnglish
JournalIEEE Transactions on Smart Grid
Volume4
Issue number3
Pages (from-to)1713 - 1720
ISSN1949-3053
DOIs
Publication statusPublished - 2013

Keywords

  • Demand side
  • Frequency control
  • Demonstration project

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