NDLI: A simplified series-parallel structure for the regulated peak power tracking (RPPT) system

Content Provider	IEEE Xplore Digital Library
Author	Yang, J.H. Bae, H.S. Lee, J.H. Cho, B.H.
Copyright Year	2008
Description	Author affiliation: Sch. of Electr. Eng. & Comput. Sci., Seoul Nat. Univ., Seoul (Yang, J.H.; Bae, H.S.; Lee, J.H.; Cho, B.H.)
Abstract	Regulated peak power tracking (RPPT) systems such as the series structure and the parallel structure are commonly used in satellite space power systems. However, this structure processes the solar array power or the battery power to the load through two regulators during one orbit cycle, which reduces the energy transfer efficiency. The series-parallel structure for the RPPT system can improve the power conversion efficiency, but an additional regulator increases the cost, size and weight of the system. In this paper, a simplified series-parallel space power system that consists of two regulators is proposed. The proposed system achieves similar energy transfer efficiency with the series-parallel structure by adding one switch to the series structure, which reduces the cost, size and the weight. A single digital signal processor (DSP) is used to control all of the required functions, such as current sharing for the parallel module converter, load voltage regulation, solar array stabilizing, maximum power point tracking (MPPT) and the system operation algorithm of the proposed system. The large signal stability analysis is provided to understand the four main modes of system operation. In order to compare the energy efficiency with a series structure, the simulations are performed and the results are analyzed. The proposed structure saves 11% energy compared to the series structure. Experimental verifications are performed using prototype hardware with a TMS320F2812 DSP and 200 W solar arrays.
Starting Page	160
Ending Page	166
File Size	824470
Page Count	7
File Format	PDF
ISBN	9781424418732
ISSN	10482334
DOI	10.1109/APEC.2008.4522716
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-02-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Regulators Power systems Energy exchange Costs Switches Digital signal processing Voltage control Satellites Batteries Power conversion
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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