Power hardware in the loop simulation with feedback current filtering for electric systems

Lauss, Georg; Lehfuß, Felix; Viehweider, Alexander; Strasser, Thomas

doi:10.1109/iecon.2011.6119915

Cited by 81 publications

(58 citation statements)

References 7 publications

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“…Particularly, a grid-connected voltage-source converter can be modeled as a current source in parallel with an impedance [35], and the stability of the system is determined by the magnitude of the impedance that can be improved by increasing the output impedance at the harmonic frequencies [36]. Similarly, to improve the stability of a PHIL system [37,38], a virtual impedance (VI) method [39][40][41] can be introduced. This paper is the first to describe the application of the VI method to improve the stability and accuracy of the PHIL simulations.…”

Section: Controlled Source Electrical Equipmentmentioning

confidence: 99%

Improving the Stability and Accuracy of Power Hardware-in-the-Loop Simulation Using Virtual Impedance Method

et al. 2016

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Abstract:Power hardware-in-the-loop (PHIL) systems are advanced, real-time platforms for combined software and hardware testing. Two paramount issues in PHIL simulations are the closed-loop stability and simulation accuracy. This paper presents a virtual impedance (VI) method for PHIL simulations that improves the simulation's stability and accuracy. Through the establishment of an impedance model for a PHIL simulation circuit, which is composed of a voltage-source converter and a simple network, the stability and accuracy of the PHIL system are analyzed. Then, the proposed VI method is implemented in a digital real-time simulator and used to correct the combined impedance in the impedance model, achieving higher stability and accuracy of the results. The validity of the VI method is verified through the PHIL simulation of two typical PHIL examples.

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Section: Controlled Source Electrical Equipmentmentioning

confidence: 99%

Improving the Stability and Accuracy of Power Hardware-in-the-Loop Simulation Using Virtual Impedance Method

et al. 2016

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“…Several researches involve the PHIL concept using the Real Time Digital Simulation (RTDS) [6] as a powerful tool to perform flexible and high-speed real time simulations [1][2][3], [7][8][9][10][11][12][13][14]. RTDS uses a graphical environment to build up the simulated network of any complexity.…”

Section: Introductionmentioning

confidence: 99%

Real-Time Simulation Technique of a Microgrid Model for DER Penetration

Mentesidi¹,

Rikos²,

Kleftakis³

2014

EAI Endorsed Transactions on Energy Web

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Comprehensive analysis of Distributed Energy Resources (DER) integration requires tools that provide computational power and flexibility. In this context, throughout this paper PHIL simulations are performed to emulate the energy management system of a real microgrid including a diesel synchronous machine and inverter-based sources. Moreover, conventional frequency and voltage droops were incorporated into the respective inverters. The results were verified at the real microgrid installation in the Centre for Renewable Energy Sources (CRES) premises. This research work is divided into two steps: A) Real time in RSCAD/RTDS and Power Hardware-in-the-Loop (PHIL) simulations where the diesel generator´s active power droop control is evaluated, the battery inverter´s droop curves are simulated and the load sharing for parallel operation of the system´s generation units is examined. B) microgrid experiments during which various tests were executed concerning the diesel generator and the battery inverters in order to examine their dynamic operation within the LV islanded power system.

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“…For some applications an additional feedback filter is introduced in order to stabilize the PHIL experiment [16].…”

Section: ) Descriptionmentioning

confidence: 99%

“…The stability issues that come along with the ACL have been reported in various papers and the common sense that can be found in various publications is that the Interface Algorithm (IA) has to cope with this issue. [1][11] [16] The work leading to this approach received funding from the European Community's Seventh Framework Program (FP7/2007-2013) DERri under grant agreement no 228449. Further information is available at the website: www.der-ri.net.…”

Section: Introductionmentioning

confidence: 99%

Comparison of multiple power amplification types for power Hardware-in-the-Loop applications

Lehfuß

Lauss

Kotsampopoulos

et al. 2012

2012 Complexity in Engineering (COMPENG). Proceedings

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This version is available at https://strathprints.strath.ac.uk/40766/ Strathprints is designed to allow users to access the research output of the University of Strathclyde. Unless otherwise explicitly stated on the manuscript, Copyright © and Moral Rights for the papers on this site are retained by the individual authors and/or other copyright owners. Please check the manuscript for details of any other licences that may have been applied. You may not engage in further distribution of the material for any profitmaking activities or any commercial gain. You may freely distribute both the url (https://strathprints.strath.ac.uk/) and the content of this paper for research or private study, educational, or not-for-profit purposes without prior permission or charge.Any correspondence concerning this service should be sent to the Strathprints administrator: strathprints@strath.ac.ukThe Strathprints institutional repository (https://strathprints.strath.ac.uk) is a digital archive of University of Strathclyde research outputs. It has been developed to disseminate open access research outputs, expose data about those outputs, and enable the management and persistent access to Strathclyde's intellectual output. Abstract-This Paper discusses Power Hardware-in-the-Loop simulations from an important point of view: an intrinsic and integral part of PHIL simulation -the power amplification. In various publications PHIL is discussed either in a very theoretical approach or it is briefly featured as the used method. In neither of these publication types the impact of the power amplification to the total PHIL simulation is discussed deeply. This paper extends this discussion into the comparison of three different power amplification units and their usability for PHIL simulations. Finally in the conclusion it is discussed which type of power amplification is best for which type of PHIL experiment.

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Power hardware in the loop simulation with feedback current filtering for electric systems

Cited by 81 publications

References 7 publications

Improving the Stability and Accuracy of Power Hardware-in-the-Loop Simulation Using Virtual Impedance Method

Improving the Stability and Accuracy of Power Hardware-in-the-Loop Simulation Using Virtual Impedance Method

Real-Time Simulation Technique of a Microgrid Model for DER Penetration

Comparison of multiple power amplification types for power Hardware-in-the-Loop applications

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