Control of micro-CHP and thermal energy storage for minimising electrical grid utilisation

Allison, John and Murphy, Gavin Bruce (2013) Control of micro-CHP and thermal energy storage for minimising electrical grid utilisation. In: 3rd International Conference on Microgeneration and Associated Technologies, 2013-04-15 - 2014-04-17, Castel dell’Ovo.

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Abstract

Combined heat and power (CHP) systems in buildings present a control challenge for their efficient use due to their simultaneous production of thermal and electrical energy. The use of thermal energy storage coupled with a CHP engine provides an interesting solution to the problem – the electrical demands of the building can be matched by the CHP engine while the resulting thermal energy can be regulated by the thermal energy store. Based on the thermal energy demands of the building the thermal store can provide extra thermal energy or absorb surplus thermal energy production. This paper presents a multi-input multi-output (MIMO) inverse dynamics based control strategy that will minimise the electrical grid utilisation of a building, while simultaneously maintaining a defined operative temperature. Electrical demands from lighting and appliances within the building are considered. In order to assess the performance of the control strategy, a European Standard validated simplified dynamic building physics model is presented that provides verified heating demands. Internal heat gains from solar radiation and internal loads are included within the model. Results indicate the effectiveness of the control strategy in minimising the electrical grid use and maximising the utilisation of the available energy over conventional heating systems.

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• Item metadata

  Item type:	Conference or Workshop Item(Paper)
  ID code:	48315
  Dates:	Date Event 15 April 2013 Published
  Subjects:	Technology > Mechanical engineering and machinery
  Department:	Faculty of Engineering > Mechanical and Aerospace Engineering
  Depositing user:	Pure Administrator
  Date deposited:	29 May 2014 08:13
  Last modified:	19 Apr 2024 00:36
  Related URLs:	Event
  URI:	https://strathprints.strath.ac.uk/id/eprint/48315