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Optimisation of cogeneration units in large heating systems | IEEE Conference Publication | IEEE Xplore

Optimisation of cogeneration units in large heating systems


Abstract:

The paper deals with the application of Mixed Integer Linear Programming method for scheduling of cogeneration, coal firing plants connected a large reconfigurable distri...Show More

Abstract:

The paper deals with the application of Mixed Integer Linear Programming method for scheduling of cogeneration, coal firing plants connected a large reconfigurable district heating network and including thermal storage facilities. The dispatch is driven by maximization of profits from the participation in the wholesale electricity market. The paper proposes an alternative solution for a simplified cogeneration unit model for dispatch purposes and it describes a joint optimisation of multiple plants connected to large reconfigurable district heating network including possible use of thermal storage facilities. The developed optimisation model is tested on a real size, large district heating system. The first results and conclusions derived from the practical validation of the scheduling tool shows that the approach adopted is of practical use and could improve daily and intraday planning of complex heating systems by increasing profits gained in the competitive electricity market.
Date of Conference: 06-08 December 2017
Date Added to IEEE Xplore: 19 February 2018
ISBN Information:
Electronic ISSN: 2573-3214
Conference Location: Malabe, Sri Lanka

I. Introduction

The problem of operation planning of cogeneration units or plants is a complex issue that might be approached from different angles. Regarding time aspects the planning horizon is usually limited as scheduling consists in the best use of already available resources, both regarding generation and distribution assets, and it stretches between one year and few hours before the delivery period. Regarding locational aspects, the current research deals primarily with minimization of the cost of operation and/or maintenance of a single unit or a single plant [1]–[3] with detailed modelling of the thermal part and other technical constraints [4], [5]. Regarding network management, the on-going research activities address problems with integration and scheduling of cogeneration plants in electrical networks including smart grids [6], [7]. Regarding regulatory background and economics, the optimisation problem is usually driven by the total cost of units or plant operation [8], [9], by requirements related to balancing renewables, by environmental issues [3], [10], [11].

References

References is not available for this document.