Load control in low voltage level of the electricity grid using µCHP appliances

M.G.C. Bosman, Vincent Bakker, Albert Molderink, Johann L. Hurink, Gerardus Johannes Maria Smit

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The introduction of microCHP (Combined Heat and Power) appliances and other means of distributed generation causes a shift in the way electricity is produced and consumed. Households themselves produce electricity and deliver the surplus to the grid. In this way, the distributed generation also has implications on the transformers and, thus, on the grid. In this work we study the influence of introducing microCHP appliances on the total load of a group of houses (behind the last transformer). If this load can be controlled, the transformer may be relieved from peak loads. Moreover, a well controlled fleet production can be offered as a Virtual Power Plant to the electricity grid. In this work we focus on different algorithms to control the fleet and produce a constant electricity output. We assume that produced electricity is consumed as locally as possible (preferably within the household). Produced heat can only be consumed locally. Additionally, heat can be stored in heat stores. Fleet control is achieved by using heat led control algorithms and by specifying as objective how much of the microCHP appliances have to run. First results show that preferred patterns can be produced by using fleet control. However, as the problem is heat driven, still reasonably large deviations from the objective occur. Several combinations of heat store and fleet control algorithm parameters are considered to match the heat demand and supply. This work is a first attempt in controlling a fleet and gives a starting point for further research in this area. A certain degree of control can already be established, but for better stability more intelligent algorithms are needed.
Original languageUndefined
Title of host publicationProceedings of the Nineteenth Annual Workshop on Circuits, Systems ans Signal Processing (ProRISC)
Place of PublicationUtrecht
PublisherTechnology Foundation
Number of pages5
ISBN (Print)978-90-73461-56-7
Publication statusPublished - 27 Nov 2008
Event19th Annual Workshop on Circuits, Systems and Signal Processing, ProRISC 2008 - Veldhoven, Netherlands
Duration: 27 Nov 200828 Nov 2008
Conference number: 19

Publication series

PublisherSTW Technology Foundation


Conference19th Annual Workshop on Circuits, Systems and Signal Processing, ProRISC 2008


  • EWI-14295
  • METIS-254942
  • Micro-generation
  • Algorithm design
  • Modelling
  • IR-65171

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