Fluorescent fixtures and ballasts
Conference
·
OSTI ID:6620558
The basic parameters of a fluorescent lighting system that affect the illumination level are discussed. The parameters include the thermal performance of the fixture and the ballast factor, voltage regulation, and thermal regulation of the ballast/lamp system. Fixtures determine the minimum lamp-wall temperature of the lamps and are described as hot or cold. That is, the lamp-wall temperatures can vary from 39 to 61/sup 0/C. In general, cool fixtures tend to provide higher light levels and are more efficacious for a given ballast/lamp system. Solid-state fluorescent ballast/lamp systems have been measured and show a variation in light output from 6170 to 3780 lumens for the two-lamp, F-40, T-12, rapid-start lamps. Lighting designers must obtain this information in order to accurately predict illumination levels in a space.
- Research Organization:
- Lawrence Berkeley Lab., CA (USA)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 6620558
- Report Number(s):
- LBL-17929; CONF-840591-1; ON: DE84016007
- Country of Publication:
- United States
- Language:
- English
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