NDLI: Effects of voltage sags on different types of ballasts for 150-W HPS lamps

Content Provider	IEEE Xplore Digital Library
Author	Diaz, F.J. Azcondo, F.J. Ortiz, F. Ortiz, A. Maana, M. Renedo, C.
Copyright Year	2007
Description	Author affiliation: Univ. of Cantabria, Santander (Diaz, F.J.; Azcondo, F.J.)
Abstract	Nowadays, energy efficiency is a hot topic in a very demanding environment. In this way, improvements in lighting applications, which is a significant point of energy consumption, could be very much welcomed. Electronic ballast may serve to this goal since they are focused on achieving energy savings, reduction in the utility line harmonic content and reactive power, as well as on implementing dimming control and some other parameter of interest in lighting applications. On the other hand, power quality problems are very common in our power system and any new electric device should be designed taking into account these events. One of the typical problems in electrical distribution systems are voltage sags. These have a great incidence on the electrical equipment connected to the network in the same area. The sags cause more damages than the rest of disturbances because these have a greater frequency of occurrence. In this work, the effects of voltage sags on several 150-W high- pressure sodium lamps combined with two different types of electronic ballast have been studied. One of the ballasts supplies the required voltage to minimize the reactive component in the resonant inverter, while the other regulates the power supplied by the utility line to be constant in long term, the resonant inverter being also in open loop at constant switching frequency providing the short term stability. The results of these electronic ballasts will be compared with those obtained with the traditional electromagnetic ballast. The influence of the lamp age will be also considered in the approach. The final goal of this study is to improve the performance of the ballast prototypes under voltage sags.
Starting Page	1
Ending Page	6
File Size	418781
Page Count	6
File Format	PDF
ISBN	9788469094419
DOI	10.1109/EPQU.2007.4424185
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-09
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	LPQI
Subject Keyword	Energy consumption Electronic ballasts Lamps Power system harmonics Lighting control Reactive power control voltage sags electronic ballast Power quality high pressure sodium lamps Frequency Energy efficiency Resonant inverters
Content Type	Text
Resource Type	Article

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