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An exploration of the technical and economic feasibility of a low powered DC voltage mains power supply in the domestic arena

Kinn, MC 2009, 'An exploration of the technical and economic feasibility of a low powered DC voltage mains power supply in the domestic arena' , Green Building Power Forum 01-03 June 2009 Anaheim California Proceedings . (Unpublished)

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Abstract

This paper explores the feasibility of supplying electrical power to modern homes using a DC voltage mains within the house. A bottom-up approach is adopted in the design of the DC supply, starting with known domestic loads to build a power usage profile based on assumed lifestyle for the occupants of the house. The load profile is then used to work out cable sizes for the mains distribution network. It looks at the type of electrical cables to be employed and the calculations involved in working out voltage drops, and therefore power loss along the cables. The voltage used in the calculations, was 24 V, as this is the voltage rating of DC appliances and devices. The methodology is then employed with a range of powers and voltages to work out different possible load and cable scenarios. The constraints to the analysis and further work are discussed. Economic analysis is carried out on energy losses, and the advantage of using DC appliances, as against using AC appliances is discussed. The goal is to build a framework that will provide the necessary tools that will help in identifying an optimal voltage for the low powered DC home. Previous work is looked at.

Item Type: Article
Schools: Schools > School of the Built Environment > Centre for Built Environment Sustainability and Transformation (BEST)
Journal or Publication Title: Green Building Power Forum 01-03 June 2009 Anaheim California Proceedings
Funders: Non funded research
Depositing User: MC Kinn
Date Deposited: 01 Jun 2016 11:55
Last Modified: 01 Jun 2016 11:55
URI: http://usir.salford.ac.uk/id/eprint/39071

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