Cost-Effective Three-Phase Current Amplifier Interface for Real-time Simulator with Relays in-the-Loop

Maximiliano Ferrari; Emilio C. Piesciorovsky; Travis Smith; Josh Hambrick

doi:10.1109/NAPS46351.2019.9000320

Cost-Effective Three-Phase Current Amplifier Interface for Real-time Simulator with Relays in-the-Loop

Maximiliano Ferrari, Emilio C. Piesciorovsky, Travis Smith, Josh Hambrick

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

3 Scopus citations

Abstract

This paper presents a prototype of a simple and cost-effective design using a high-power monolithic power amplifier that allows the relay in-the-loop connectivity for protection and control applications using a real-time simulator. This low-cost amplifier interface increases the number of protective relays in-the-loop connected with the real-time simulator, expanding the scalability of protection devices that could be tested. The amplifier control design was developed in abc coordinates and utilizes integral and proportional-resonant controllers to provide a good tracking of both the fundamental component as the dc component that might be present during fault conditions. To validate the prototype, the current signals and tripping time of a relay interfaced with the current amplifier were compared against a reference relay connected to the low-voltage interface. Both protective relays were set with a U3 Very Inverse time overcurrent curve. The experimental results exhibited similar behaviors for the breaker currents, validating the amplifier interface prototype.

Original language	English
Title of host publication	51st North American Power Symposium, NAPS 2019
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781728104072
DOIs	https://doi.org/10.1109/NAPS46351.2019.9000320
State	Published - Oct 2019
Event	51st North American Power Symposium, NAPS 2019 - Wichita, United States Duration: Oct 13 2019 → Oct 15 2019

Publication series

Name	51st North American Power Symposium, NAPS 2019

Conference

Conference	51st North American Power Symposium, NAPS 2019
Country/Territory	United States
City	Wichita
Period	10/13/19 → 10/15/19

Funding

ACKNOWLEDGEMENT Research sponsored by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831-6285; managed by UT Battelle, LLC, for the U.S. Department of Energy. This manuscript has been authored by UT-Battelle, LLC, under contract DE-AC05-00OR22725 for the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains non-exclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes.

Funders	Funder number
U.S. Department of Energy	DE-AC05-00OR22725
Oak Ridge National Laboratory
UT-Battelle

Keywords

Relay in-the-Loop
real-time simulation
relay testing

Access to Document

10.1109/NAPS46351.2019.9000320

Cite this

Ferrari, M., Piesciorovsky, E. C., Smith, T., & Hambrick, J. (2019). Cost-Effective Three-Phase Current Amplifier Interface for Real-time Simulator with Relays in-the-Loop. In 51st North American Power Symposium, NAPS 2019 Article 9000320 (51st North American Power Symposium, NAPS 2019). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/NAPS46351.2019.9000320

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title = "Cost-Effective Three-Phase Current Amplifier Interface for Real-time Simulator with Relays in-the-Loop",

abstract = "This paper presents a prototype of a simple and cost-effective design using a high-power monolithic power amplifier that allows the relay in-the-loop connectivity for protection and control applications using a real-time simulator. This low-cost amplifier interface increases the number of protective relays in-the-loop connected with the real-time simulator, expanding the scalability of protection devices that could be tested. The amplifier control design was developed in abc coordinates and utilizes integral and proportional-resonant controllers to provide a good tracking of both the fundamental component as the dc component that might be present during fault conditions. To validate the prototype, the current signals and tripping time of a relay interfaced with the current amplifier were compared against a reference relay connected to the low-voltage interface. Both protective relays were set with a U3 Very Inverse time overcurrent curve. The experimental results exhibited similar behaviors for the breaker currents, validating the amplifier interface prototype.",

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author = "Maximiliano Ferrari and Piesciorovsky, {Emilio C.} and Travis Smith and Josh Hambrick",

note = "Publisher Copyright: {\textcopyright} 2019 IEEE.; 51st North American Power Symposium, NAPS 2019 ; Conference date: 13-10-2019 Through 15-10-2019",

year = "2019",

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Ferrari, M, Piesciorovsky, EC, Smith, T & Hambrick, J 2019, Cost-Effective Three-Phase Current Amplifier Interface for Real-time Simulator with Relays in-the-Loop. in 51st North American Power Symposium, NAPS 2019., 9000320, 51st North American Power Symposium, NAPS 2019, Institute of Electrical and Electronics Engineers Inc., 51st North American Power Symposium, NAPS 2019, Wichita, United States, 10/13/19. https://doi.org/10.1109/NAPS46351.2019.9000320

Cost-Effective Three-Phase Current Amplifier Interface for Real-time Simulator with Relays in-the-Loop. / Ferrari, Maximiliano; Piesciorovsky, Emilio C.; Smith, Travis et al.
51st North American Power Symposium, NAPS 2019. Institute of Electrical and Electronics Engineers Inc., 2019. 9000320 (51st North American Power Symposium, NAPS 2019).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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N2 - This paper presents a prototype of a simple and cost-effective design using a high-power monolithic power amplifier that allows the relay in-the-loop connectivity for protection and control applications using a real-time simulator. This low-cost amplifier interface increases the number of protective relays in-the-loop connected with the real-time simulator, expanding the scalability of protection devices that could be tested. The amplifier control design was developed in abc coordinates and utilizes integral and proportional-resonant controllers to provide a good tracking of both the fundamental component as the dc component that might be present during fault conditions. To validate the prototype, the current signals and tripping time of a relay interfaced with the current amplifier were compared against a reference relay connected to the low-voltage interface. Both protective relays were set with a U3 Very Inverse time overcurrent curve. The experimental results exhibited similar behaviors for the breaker currents, validating the amplifier interface prototype.

AB - This paper presents a prototype of a simple and cost-effective design using a high-power monolithic power amplifier that allows the relay in-the-loop connectivity for protection and control applications using a real-time simulator. This low-cost amplifier interface increases the number of protective relays in-the-loop connected with the real-time simulator, expanding the scalability of protection devices that could be tested. The amplifier control design was developed in abc coordinates and utilizes integral and proportional-resonant controllers to provide a good tracking of both the fundamental component as the dc component that might be present during fault conditions. To validate the prototype, the current signals and tripping time of a relay interfaced with the current amplifier were compared against a reference relay connected to the low-voltage interface. Both protective relays were set with a U3 Very Inverse time overcurrent curve. The experimental results exhibited similar behaviors for the breaker currents, validating the amplifier interface prototype.

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Cost-Effective Three-Phase Current Amplifier Interface for Real-time Simulator with Relays in-the-Loop

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