Optimisation in Network Structured Asset Management
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math
research papers
date published 18/08/2007
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This report considers the role of optimisation in the asset management of a large distribution network. In particular, we look at how to determine the optimal policy for project release. Projects relating to replacement of existing assets and network re-design may be prioritised given capital rationing and/or performance improvement requirements. We focus on maintenance and replacement of a large distribution network (network structured system) and consider the application to electricity distribution networks. The electricity companies who own the UK electricity distribution networks are under pressure to provide a high quality supply to customers at minimum cost. For this particular problem a zero-one integer linear programming model is proposed for selecting an optimal project portfolio, based on the objectives and constraints of the network owner. The modelling approach described in this study would extend to the financial investment appraisal of capital projects for a broad range of manufacturing and energy related industries such as power generation, refining and water supply.
- Introduction
- Optimisation in network asset management
- Aim of research
- Approach
- Asset management within the UK electricity industry
- Historical evolution of electricity in the UK
- The costs and benefits of the restructuring and privatisation of the U.K. Electricity Supply
- The network asset management framework
- How should an electricity supply company optimise its network
- Distinction between Main', Branch' and Spur?
- Previous work in network and asset modelling within UK electricity companies
- Multiple criteria decision making (MCDM) approaches
- Conclusions and remaining issues
