Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/9602
Title: High bay lighting using high output T5 lamps
Authors: Wu, MKT
Chung, TM
Leung, KM
Keywords: Energy efficiency
High bay lighting
High output T5 lamps
Indoor games hall lighting
Issue Date: 2003
Publisher: Hong Kong Institution of Engineers
Source: HKIE transactions, 2003, v. 10, no. 1, p. 48-54 How to cite?
Journal: HKIE transactions 
Abstract: This paper discusses the latest technology development in High-output (HO) T5 fluorescent lamps and luminaires, and their possible application in high bay lighting instead of High Intensity Discharge (HID) lamps. To demonstrate the potential of this application, the Energy Efficiency Office of EMSD had designed and installed a new HO T5 lighting system in East Kai Tak Indoor Games Hall as a pilot project. The lighting design involved the utilisation of 3 × 49 W HO T5 lamps accommodated in 56 special impact resistance luminaires to provide an average illuminance of 500 lux on floor level. Measurements of the quality and quantity of the two lighting systems were made before and after the retrofit. Detailed studies were carried out for improvement in both visual and energy performance of the new HO T5 lighting system. Opinion surveys of the frequent users of the games hall were also carried out via questionnaires after the installation.
URI: http://hdl.handle.net/10397/9602
ISSN: 1023-697X
EISSN: 2326-3733
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