Journal
ENERGY AND BUILDINGS
Volume 43, Issue 2-3, Pages 605-613Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2010.10.029
Keywords
District heating; Rolling horizon decision making; Particle swarm optimisation; Simulation; On-line optimisation
Funding
- Postgraduate Overseas Research Experience Scholarship
- Australian Postgraduate Award
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The frequency of adjustments to the supply temperature set-point in district heating networks influences the overall operating cost in two ways: adaptability to changes in network conditions; and availability of time for determining an appropriate response. In this paper we investigate this trade-off and show that operating costs can be reduced through appropriate control period selection. Eleven hypothetical scenarios spanning five different networks have been simulated under a variety of control policies. When compared to a constant supply temperature strategy, the best policy in each case achieved a loss reduction of 5-24%. (C) 2010 Elsevier B.V. All rights reserved.
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