NDLI: A novel P-I-D digital control FPGA for a switching power supply in HVDC system

Content Provider	IEEE Xplore Digital Library
Author	Kurokawa, F. Murata, K. Yoshida, R. Shibata, Y. Yamashita, K. Tanaka, T. Hirose, K.
Copyright Year	2012
Description	Author affiliation: Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521, Japan (Kurokawa, F.; Murata, K.; Yoshida, R.; Shibata, Y.; Yamashita, K.) \|\| NTT Facilities, Inc., 3-4-1 Shibaura, Minato-ku, Tokyo, 108-0023, Japan (Tanaka, T.; Hirose, K.)
Abstract	This paper presents a novel digital P-I-D control FPGA for a switching power supply in the higher voltage direct-current (HVDC) power feeding system. At first, digital fast P control buck type converter is presented. Then, the appropriate number of sample point is determined. Then the fast P control is applied to the full bridge converter for HVDC. The acceptable delay time, with realizing superior dynamic response, is half of a switching cycle based on the appropriate number of sample points of buck converter. In the proposed method, the calculation processes of P and I-D controls are parallel. The delay time of P control is less than that of I-D control. The step change against the load will be discussed. It is revealed that the proposed circuit has the superior transient response. Then the proposed digitally controlled phase-shift full bridge dc-dc converter is verified with 800W proto type. The maximum power efficiency is about 92%. Then it is confirmed that proposed digital controlled phase-shift full bridge dc-dc converter achieves superior transient response compared to conventional one.
Starting Page	513
Ending Page	518
File Size	345860
Page Count	6
File Format	PDF
ISBN	9781467320214
e-ISBN	9781467320238
e-ISBN	9781467320221
DOI	10.1109/PEDG.2012.6254051
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-25
Publisher Place	Denmark
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Digital control Power supplies Full bridge converter Process control Switches Delay Fast P control
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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