Together with the Centre for Electric Technology, DTU, Ea Energy Analyses carried out a research project on the potentials for using frequency controlled demand as reserves in the electricity system. The project was supported by Energinet.dk’s PSO scheme and ran from April 2006 to July 2008.
Using demand as frequency controlled reserve (DFR) is an emerging technology which allows demand to participate actively in maintaining the system operation without affecting customer comfort.
Consequences and potentials for DFR in the Danish electricity system
This project has investigated the technology of using electricity demands for providing frequency reserve to power systems. The potential and economy of DFR compatible loads in Denmark have been investigated, control logic has been designed, power system impact has been investigated, potential business models have been evaluated and an implementation strategy has been suggested.
In the power system, regulation is needed to ensure the supply of electricity. Traditionally, regulation is carried out by the central power plants, but also demand can be used as reserve. The report “Demand as frequency controlled reserve – Analysis of technology and potentials” investigates the technical possibility of using different electricity-consuming appliances as reserve controlled by the frequency.
The work was continued in the research project Electricity demand as frequency controlled reserve – implementation and practical demonstration, which ran from 2009 to 2012.
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