Lighting Controls, Patterns of Lighting Consumption, and Energy Conservation

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Abstract
Some of the important areas of the lighting energy conservation research program currently being carried out at the Division of Building Research, National Research Council of Canada, are described. The major emphasis of the program is to monitor present patterns and levels of lighting consumption in offices and schools and then develop and encourage cost-effective control systems to reduce the hours of use of lighting power loads. A new device to measure lighting energy consumption is described. Tine-lapse photography is being employed to obtain detailed information regarding patterns of lighting use in offices and schools. This information is used to develop cost-effective manual- and automatic- control devices. The savings measured with a daylight-linked automatic system installed in a typical office are discussed.

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