期刊
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
卷 57, 期 4, 页码 3406-3415出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIA.2021.3075185
关键词
Lighting; Control systems; Light emitting diodes; Monitoring; Libraries; Buildings; Temperature sensors; Home and building automation (HBA); home and building electronic systems (HBES); lighting systems
The adoption of LED modules and advanced control systems can lead to efficient lighting performance and energy savings. A case study on a library lighting system renovation demonstrates significant improvements in energy efficiency through the use of optimal controls.
The adoption of LED modules coupled with advanced control systems allows a high level of performance both for occupant's satisfaction and for energy performance. The article describes the lighting design process and highlights that the impact of controls on the energy performance can be very high. A complete case study of a lighting system renovation implemented in a library room is shown. The library was divided in different zones. In each zone, the optimal control was adopted. Energy results demonstrated improvements in energy savings and performance via the proposed means. The energy performances measured before the renovation and after the renovation were 72 and 8.5 kW h/m(2) per year, respectively, with a saving of more than 70%. The article introduces a double-level on/off switch, one based on the soft BUS control and the other based on deep switch of the power circuit that allows saving of the standby power during the long off-time and increases the reliability. The article highlights the importance of postinstallation phases, which concern parameter programming and optimization. Only because of a careful measurement and monitoring system it is possible to optimize operation of the automatic control systems and to implement the Plan-Do-Check-Act (PDCA) approach.
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