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Journal of Emerging Trends in Computing and Information Sciences >> Call for Papers Vol. 8 No. 3, March 2017

Journal of Emerging Trends in Computing and Information Sciences

Method and Device for Voltage Stability of ITS roadside controller with Blocking Leakage Current

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Author Seung-Ki Ryu
ISSN 2079-8407
On Pages 828-834
Volume No. 5
Issue No. 10
Issue Date November 1, 2014
Publishing Date November 1, 2014
Keywords Power instability, Voltage converter, ITS, RSE


Abstract

A lot of ITS (Intelligent Transportation System) devices have been installed at roadside to collect traffic volume, travel speed, video, etc. The RSE (Roadside Equipment) is installed at the road shoulder and operated by receiving electricity from an ambient transformer. However, the input electricity to RSE is being provided unstably because of the physical distance between RSE and transformer, fluctuations around the electric power load etc. Generally, RSE has a device that rectifies unstable input electricity. However, when the input voltage is changed significantly, it exceeds the conversion range of a voltage converter and affect the controller. In this study, we propose a method that provides stable voltage for unstable input voltage and present the result of improvement scheme through the experimental study for the developed device.
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