NDLI: Design of 10kV, 2A high-voltage DC power supply using two stage control

Content Provider	IEEE Xplore Digital Library
Author	Jang, S.R. Ryoo, H.J. Gong, J.W. Ahn, S.H.
Copyright Year	2013
Description	Author affiliation: KERI, Changwon, South Korea (Jang, S.R.; Ryoo, H.J.) \|\| Univ. of Sci. & Technol., Daejeon, South Korea (Gong, J.W.)
Abstract	This paper describes the design of a 20 kW (10kV, 2A) DC power supply using two stage control which consists of the silicon controlled rectifier (SCR) for input voltage control and the series-parallel resonant converter (SPRC) for output voltage control. In order to overcome the general constraint of SPRC, the restricted controllable load range with softswitching, the additional stage for adjusting input voltage by controlling the triggering angle of SCR is proposed and it facilitates the wide load range operation of SPRC with maintaining high-efficiency not only light-load but also rated operation. From the analysis of the controllable load range of SPRC with soft-switching, the control methodology of both switching-frequency of resonant inverter and triggering angle of SCR is explained. Based on the proposed control concept, a detailed design of a 20 kW power supply is provided including the PSpice simulation, the high-voltage transformer and the high-voltage rectifier. Finally, the experimental results which were carried out with various kinds of load condition verify the high-performance of proposed two stage control method from the view point of high-efficiency, wide controllable load range, and reliability.
Starting Page	1
Ending Page	1
File Size	93076
Page Count	1
File Format	PDF
ISBN	9781467351713
ISSN	07309244
DOI	10.1109/PLASMA.2013.6633264
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Thyristors Power supplies Voltage control Switches Educational institutions Resonant inverters
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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