1363 The Human Aspect

Regardless of the method selected for achieving energy savings, it is important to consider the human aspect of energy conservation. Buildings and lighting systems should be designed to help occupants work in comfort, safety and enjoyment. Retrofits that improve the lighting quality (and the performance of workers) should be installed, especially when they save money. The recent advances in electronic ballast technology offer an opportunity for energy conservation to actually improve worker productivity. High frequency electronic ballasts and tri-phosphor lamps offer improved CRI, less audible noise and lamp flicker. These benefits have been shown to improve worker productivity and reduce headaches, fatigue and absenteeism.

Table 13.18 Power quality characteristics for different electric devices.
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