%0 Conference Paper
%A Francis M Rubinstein
%A Chin Zhang
%B Illuminating Engineering Society Annual Conference 1991
%C Montreal, Canada
%D 1991
%G eng
%L LBL-30648
%T A Spreadsheet for Analyzing the In-Situ Performance of Fluorescent Luminaries
%1 <p>Lighting Systems Group</p>
%2 LBL-30648
%8 08/1991
%X <p>A spreadsheet program for determining system efficacy, power input and light output of common 4 ft fluorescent lighting systems under realistic operating conditions is described. The program uses accepted IES engineering principles to precisely account for ballast factor, existing thermal conditions and maintenance practices. The spreadsheet, which includes a data base of lamp and ballast performance data, can be used to calculate the cost-effectiveness of many common lighting retrofits.</p>