Modelling the impact of micro generation on the electrical distribution system

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Abstract

In the UK and elsewhere there is considerable debate as to the future form of the electricity distribution system. The coming years will see a rise in the amount of micro-generation connected to the network at low voltages and the emergence of highly-distributed power systems (HDPS). However, there is considerable uncertainty as to the impact that this micro-generation will have on the quality of power supplied to our homes or to the stability of the electricity system as a whole. To address these engineering challenges the UK Engineering and Physical Sciences Research Council (EPSRC) is funding a three year research programme featuring a multi-disciplinary team from a variety of UK Universities: Supergen HDPS. This paper documents one piece of work emerging from the consortium, where a multi-tool approach is used to analyse the impact of micro-generation on the electricity system. This used a building simulation tool to produce electrical generation profiles for domestic cogeneration device models. These, along with profiles produced for other micro-generation technology models and electrical load profiles are then replicated and aggregated using a customised statistical approach. The profiles were then used as boundary conditions for a set of electrical load flow simulations on a model of a section of real network, where the number of microgenerators was varied according to different scenarios for the future of the UK electricity grid. The results indicate that a significant number of micro-generation devices can be accommodated before any power quality problems arise, however this is dependent upon maintaining a robust central grid.
Original languageEnglish
Number of pages8
Publication statusPublished - May 2008
EventMicro-Cogen 2008, 1st International Conference on Micro-Cogeneration Technologies and Applications - Ottawa, Canada
Duration: 29 Apr 20081 May 2008

Conference

ConferenceMicro-Cogen 2008, 1st International Conference on Micro-Cogeneration Technologies and Applications
CityOttawa, Canada
Period29/04/081/05/08

Keywords

  • micro generation
  • electricity supply
  • power generation
  • power systems

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