Hybrid solar lighting | Wikipedia audio article
Channel: wikipedia tts
Date: 04/06/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Hybrid_solar_lighting


00:00:46 1 Method of operation
00:02:04 2 Cost of hybrid solar lighting systems
00:02:27 3 See also



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SUMMARY
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Hybrid solar lighting (HSL) or hybrid lighting systems combine the use of solar with artificial light for interior illumination by channelling sunlight through fiber optic cable bundles to provide solar light into rooms without windows or skylights, and by supplementing this natural light with artificial light—typically LED—as required.The bundles are led from exterior/rooftop optical light collectors through small openings or cable ducts and carry the light to where it is needed. The optical fibers end in hybrid luminaires where the sunlight is joined with electric light, either on demand or to automatically maintain a constant light level even as the available sunlight decreases.