Volume 4: Innovative Solutions for Energy Transitions: Part III

Optimal Maintenance Plan with Lumen Degradation Failure for Energy Efficiency Lighting Retrofit Projects Alice Ikuzwe*, Xiaohua Xia, Xianming Ye



An optimal lighting maintenance plan that considers the lumen degradation failure is proposed for energy efficiency lighting retrofit projects. In lighting retrofit projects, lamp population is subject to decay, resulting in reduction of the project performance. The decay of lamp population is mainly caused by the burnout failure or lumen degradation failure. In the previous studies, lighting maintenance plan is investigated by modelling the burnout failure. In this study, we present an optimal lighting maintenance plan by modelling the lumen degradation failure. The effectiveness of the formulated maintenance plan is demonstrated by a practical residential light-emitting diode (LED) lighting retrofit project.

Keywords Energy efficiency lighting system, lumen degradation failure, optimal maintenance.

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