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(1995)Conference PaperThis paper describes the use of three-dimensional (3D) device modelling for the optimisation of the rear contact geometry of high-efficiency silicon solar cells. We describe the techniques and models used as well as their limitations. Our approach is contrasted with previously published 3D studies of high-efficiency silicon solar cells. Results show that the optimum spacing is about 2/3 of that predicted by 2D simulations, and exhibits a much stronger dependence on contact spacing. The optimal value found is about 60% of that of the present UNSW PERL cells, however, the possible efficiency gain is only about 0.1% absolute.
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(1994)Conference Paper
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(2010)Conference PaperThe paper was presented at a workshop for professionals involved in residential building approvals in NSW, Australia. Solar geometry and shadow casting are purely geometric exercises, which should be well within the competence of any practicing architect or building designer. Yet, perhaps because most Council officers are not trained in physical planning, and because most applicants do not produce convincing evidence of solar access compliance, it remains one of the most contentious areas of assessment. To set out the basis of understanding the controls, and effective ways of dealing with them, the paper repeats materials from earlier papers Daylight & Solar Access, NEERG Seminar of 31 August 2006, and from the seminar of 21 May 2009. In this paper, those discussions are extended to include observations about the evolving interpretation of the so-called Parsonage Principle, and to comment briefly on the impact of ‘complying development’ as defined in recent changes to the NSW planning regime.
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(1995)Conference Paper
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