Photoelectric control of daylight-following lighting systems: Daylight-sensing photocell placement: Final report
Automatically dimming electric lights when daylight is available can help trim commercial building energy demand. This study evaluated control strategies and documented the ability of different control systems to maintain proper lighting at a workstation for various daylight levels and room geometries. Because daylight availability coincides with peak demand times for many utilities, shifting part of the lighting requirement from electricity to daylight can support load management efforts. To reduce power demand while maintaining illumination at the design level, photoelectric controls must dim the electric lighting systems in precise response to the available daylight. This study explores the equipment and methods required to achieve this balance. 8 refs., 45 figs., 4 tabs.
- Research Organization:
- Electric Power Research Inst., Palo Alto, CA (USA); Lawrence Berkeley Lab., CA (USA)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 6516109
- Report Number(s):
- EPRI-CU-6243
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
CONTROL SYSTEMS
ALGORITHMS
LIGHTING SYSTEMS
COMMERCIAL BUILDINGS
COMPUTERIZED SIMULATION
DATA ANALYSIS
DAYLIGHTING
ENERGY CONSERVATION
ENERGY MANAGEMENT
ILLUMINANCE
LOAD MANAGEMENT
MATHEMATICAL MODELS
PHOTOSENSITIVITY
PROGRESS REPORT
PUBLIC UTILITIES
WINDOWS
BUILDINGS
DOCUMENT TYPES
ENERGY SYSTEMS
MANAGEMENT
MATHEMATICAL LOGIC
OPENINGS
SENSITIVITY
SIMULATION
320106* - Energy Conservation
Consumption
& Utilization- Building Equipment- (1987-)
320107 - Energy Conservation
Consumption
& Utilization- Building Systems- (1987-)