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Photoelectric control of daylight-following lighting systems: Daylight-sensing photocell placement: Final report

Technical Report ·
OSTI ID:6516109
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

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320106* -- Energy Conservation
Consumption
& Utilization-- Building Equipment-- (1987-)
320107 -- Energy Conservation
Consumption
& Utilization-- Building Systems-- (1987-)
ALGORITHMS
BUILDINGS
COMMERCIAL BUILDINGS
COMPUTERIZED SIMULATION
CONTROL SYSTEMS
DATA ANALYSIS
DAYLIGHTING
DOCUMENT TYPES
ENERGY CONSERVATION
ENERGY MANAGEMENT
ENERGY SYSTEMS
ILLUMINANCE
LIGHTING SYSTEMS
LOAD MANAGEMENT
MANAGEMENT
MATHEMATICAL LOGIC
MATHEMATICAL MODELS
OPENINGS
PHOTOSENSITIVITY
PROGRESS REPORT
PUBLIC UTILITIES
SENSITIVITY
SIMULATION
WINDOWS