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A Real Time Simulator of a Phase Shifted Converter for High Frequency ApplicationsGHERMAN, T. , PETREUS, D. , CIRSTEA, M. N.
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real-time systems, closed loop systems, field programmable gate arrays, high level synthesis, DC-DC power converters
power(29), time(15), simulation(15), real(14), fpga(9), control(9), level(7), electronic(7), converter(7), loop(6)
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About this article
Date of Publication: 2020-08-31
Volume 20, Issue 3, Year 2020, On page(s): 11 - 22
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2020.03002
Web of Science Accession Number: 000564453800002
SCOPUS ID: 85090350007
This paper presents a switched function FPGA-based Real Time Simulator (RTS) of a synchronous Phase Shifted (PS) converter. The design methods developed contribute to improving the accuracy, the portability, to lowering the cost and the resource demand of RTS models, enabling them to be easily deployed both in hardware in the loop (HIL) simulations, but also in error detection or health monitoring systems where these properties are essential. The research work carried out demonstrates the importance of reducing the simulation time step for avoiding false limit cycling behavior and obtaining an accurate closed loop response of the RTS. The very small time step (20 ns), not achievable with commercial real time simulation tools, helped in accurately modeling the time and frequency response of the converter for switching frequencies of 200 kHz (tested) and above. Although applied to a particular type of DC-DC converter, the methods presented can be used to successfully model a wide range of Switched Mode Power Supply (SMPS) topologies. An innovative hardware platform that enables running the real time simulation model in parallel with the reference converter and facilitates a comparative analysis that proves the fidelity of the RTS of the PS converter was also developed.
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 A Power Electronic Traction Transformer Model for a New Medium Voltage DC Electric Railway, FERENCZ, I., PETREUS, D., Advances in Electrical and Computer Engineering, ISSN 1582-7445, Issue 3, Volume 21, 2021.
Digital Object Identifier: 10.4316/AECE.2021.03012 [CrossRef] [Full text]
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
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