A Real Time Simulator of a Phase Shifted Converter for High Frequency Applications

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 de...

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Main Authors: GHERMAN, T., PETREUS, D., CIRSTEA, M. N.
Format: Article
Language:English
Published: Stefan cel Mare University of Suceava 2020-08-01
Series:Advances in Electrical and Computer Engineering
Subjects:
Online Access:http://dx.doi.org/10.4316/AECE.2020.03002
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author GHERMAN, T.
PETREUS, D.
CIRSTEA, M. N.
author_facet GHERMAN, T.
PETREUS, D.
CIRSTEA, M. N.
author_sort GHERMAN, T.
collection DOAJ
description 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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spelling doaj.art-66d3cdb5da014e659efe03f70dfbc6c72022-12-22T00:04:31ZengStefan cel Mare University of SuceavaAdvances in Electrical and Computer Engineering1582-74451844-76002020-08-01203112210.4316/AECE.2020.03002A Real Time Simulator of a Phase Shifted Converter for High Frequency ApplicationsGHERMAN, T.PETREUS, D.CIRSTEA, M. N.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.http://dx.doi.org/10.4316/AECE.2020.03002real-time systemsclosed loop systemsfield programmable gate arrayshigh level synthesisdc-dc power converters
spellingShingle GHERMAN, T.
PETREUS, D.
CIRSTEA, M. N.
A Real Time Simulator of a Phase Shifted Converter for High Frequency Applications
Advances in Electrical and Computer Engineering
real-time systems
closed loop systems
field programmable gate arrays
high level synthesis
dc-dc power converters
title A Real Time Simulator of a Phase Shifted Converter for High Frequency Applications
title_full A Real Time Simulator of a Phase Shifted Converter for High Frequency Applications
title_fullStr A Real Time Simulator of a Phase Shifted Converter for High Frequency Applications
title_full_unstemmed A Real Time Simulator of a Phase Shifted Converter for High Frequency Applications
title_short A Real Time Simulator of a Phase Shifted Converter for High Frequency Applications
title_sort real time simulator of a phase shifted converter for high frequency applications
topic real-time systems
closed loop systems
field programmable gate arrays
high level synthesis
dc-dc power converters
url http://dx.doi.org/10.4316/AECE.2020.03002
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