Single-phase three-stage SST modeling using RTDS for controller hardware-in-the-loop application

Tong Yao; Isaac Leonard; Raja Ayyanar; Misha Steurer

doi:10.1109/ECCE.2015.7309984

Single-phase three-stage SST modeling using RTDS for controller hardware-in-the-loop application

Tong Yao, Isaac Leonard, Raja Ayyanar, Misha Steurer

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

6 Scopus citations

Abstract

In order to develop and validate smart grid technologies with complex control and communication, detailed modeling of distribution systems using the Real Time Digital Simulator (RTDS) is invaluable [1]. At the distribution system level, testing a 13 kV power electronic device without first validating its controls is cost prohibitive. RTDS provides a cost effective way to study smart grids at not only the system level but also at the device level. The difficulty of modeling the distribution system using RTDS lies in the power electronic devices in the system such as single-phase three-stage solid state transformers (SST) and distributed energy storage devices (DESD) due to their fast transients. This paper investigates the low-loss two-level VSC bridge (LEV2) switching model in RTDS and solves the artificial loss problem for single phase systems. Then, the modeling method is applied to a controller hardware-in-the-loop (CHIL) setup with an SST and DESD, showing promising results. Finally, with the actual DSP+FPGA board for control and an ARM TS7800 for communication, the SST modeled in RTDS is controlled over Ethernet.

Original language	English (US)
Title of host publication	2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	2302-2309
Number of pages	8
ISBN (Print)	9781467371506
DOIs	https://doi.org/10.1109/ECCE.2015.7309984
State	Published - Oct 27 2015
Event	7th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2015 - Montreal, Canada Duration: Sep 20 2015 → Sep 24 2015

Other

Other	7th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2015
Country/Territory	Canada
City	Montreal
Period	9/20/15 → 9/24/15

Keywords

CHIL
RTDS
Simulation
Smart grid
SST
VSC LEV2

ASJC Scopus subject areas

Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1109/ECCE.2015.7309984

Cite this

Single-phase three-stage SST modeling using RTDS for controller hardware-in-the-loop application. / Yao, Tong; Leonard, Isaac; Ayyanar, Raja et al.
2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015. Institute of Electrical and Electronics Engineers Inc., 2015. p. 2302-2309 7309984.

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

Yao, T, Leonard, I, Ayyanar, R & Steurer, M 2015, Single-phase three-stage SST modeling using RTDS for controller hardware-in-the-loop application. in 2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015., 7309984, Institute of Electrical and Electronics Engineers Inc., pp. 2302-2309, 7th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2015, Montreal, Canada, 9/20/15. https://doi.org/10.1109/ECCE.2015.7309984

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AB - In order to develop and validate smart grid technologies with complex control and communication, detailed modeling of distribution systems using the Real Time Digital Simulator (RTDS) is invaluable [1]. At the distribution system level, testing a 13 kV power electronic device without first validating its controls is cost prohibitive. RTDS provides a cost effective way to study smart grids at not only the system level but also at the device level. The difficulty of modeling the distribution system using RTDS lies in the power electronic devices in the system such as single-phase three-stage solid state transformers (SST) and distributed energy storage devices (DESD) due to their fast transients. This paper investigates the low-loss two-level VSC bridge (LEV2) switching model in RTDS and solves the artificial loss problem for single phase systems. Then, the modeling method is applied to a controller hardware-in-the-loop (CHIL) setup with an SST and DESD, showing promising results. Finally, with the actual DSP+FPGA board for control and an ARM TS7800 for communication, the SST modeled in RTDS is controlled over Ethernet.

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KW - VSC LEV2

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Single-phase three-stage SST modeling using RTDS for controller hardware-in-the-loop application

Abstract

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Keywords

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