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Load-Shedding Ballast

Concept:

The load-shed ballast is designed to replace existing instant start ballasts in fluorescent lighting fixtures used in commercial buildings. When a signal is received via power line carrier communications, the load-shed ballast dims the fluorescent light fixture, reducing the lighting power by a fixed amount during periods of high electric demand.

Solution:

The Lighting Research Center is working with a major ballast manufacturer on integrating the load-shed design into an existing ballast case. In addition, they are surveying existing line carrier communication systems to determine the most effective means to deliver the load-shed signal to the ballast.

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