Control and Grid Support Function Evaluation for a Three-Phase Back-to-Back Modular Multilevel Converter System

Vikram Chowdhury; Akanksha Singh; Barry Mather

doi:10.1109/ECCE50734.2022.9947637

Control and Grid Support Function Evaluation for a Three-Phase Back-to-Back Modular Multilevel Converter System

Vikram Chowdhury, Akanksha Singh, Barry Mather

Power Systems Engineering

Research output: Contribution to conference › Paper › peer-review

4 Scopus Citations

Abstract

This paper focuses on the evaluation of advanced inverter controls for a 500kW back-to-back (B2B), silicon carbide, multilevel modular converter (MMC) used as a direct-connected medium-voltage grid intertie. A decentralized hierarchical controller architecture for the MMC system is presented, which uses the main controller to implement higher level grid interconnection functions per the IEEE 1547-2018 standards and the local controllers to execute lower level closed-loop functionality of the MMC stages. This paper presents and elaborates on the grid functionalities are elaborated and presented. The back-to-back converter system is equipped with local controllers and their corresponding functionalities are presented. Case study results for the corresponding functionalities presented show the effectiveness of the proposed architecture. To enhance the operation capabilities of the system, a parameter update scheme has been implemented and utilized in unison with the controller.

Original language	American English
Number of pages	7
DOIs	https://doi.org/10.1109/ECCE50734.2022.9947637 https://doi.org/10.1109/ECCE50734.2022.9947637
State	Published - 2022
Event	2022 IEEE Energy Conversion Congress and Exposition, ECCE 2022 - Detroit, United States Duration: 9 Oct 2022 → 13 Oct 2022

Conference

Conference	2022 IEEE Energy Conversion Congress and Exposition, ECCE 2022
Country/Territory	United States
City	Detroit
Period	9/10/22 → 13/10/22

Bibliographical note

Publisher Copyright:
© 2022 IEEE.

NREL Publication Number

NREL/CP-5D00-83305

Keywords

decentralized control
grid-support controls
modular multilevel converter
Three-phase converter

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Cite this

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title = "Control and Grid Support Function Evaluation for a Three-Phase Back-to-Back Modular Multilevel Converter System",

abstract = "This paper focuses on the evaluation of advanced inverter controls for a 500kW back-to-back (B2B), silicon carbide, multilevel modular converter (MMC) used as a direct-connected medium-voltage grid intertie. A decentralized hierarchical controller architecture for the MMC system is presented, which uses the main controller to implement higher level grid interconnection functions per the IEEE 1547-2018 standards and the local controllers to execute lower level closed-loop functionality of the MMC stages. This paper presents and elaborates on the grid functionalities are elaborated and presented. The back-to-back converter system is equipped with local controllers and their corresponding functionalities are presented. Case study results for the corresponding functionalities presented show the effectiveness of the proposed architecture. To enhance the operation capabilities of the system, a parameter update scheme has been implemented and utilized in unison with the controller.",

keywords = "decentralized control, grid-support controls, modular multilevel converter, Three-phase converter",

author = "Vikram Chowdhury and Akanksha Singh and Barry Mather",

note = "Publisher Copyright: {\textcopyright} 2022 IEEE.; 2022 IEEE Energy Conversion Congress and Exposition, ECCE 2022 ; Conference date: 09-10-2022 Through 13-10-2022",

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doi = "10.1109/ECCE50734.2022.9947637",

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Chowdhury, V, Singh, A & Mather, B 2022, 'Control and Grid Support Function Evaluation for a Three-Phase Back-to-Back Modular Multilevel Converter System', Paper presented at 2022 IEEE Energy Conversion Congress and Exposition, ECCE 2022, Detroit, United States, 9/10/22 - 13/10/22. https://doi.org/10.1109/ECCE50734.2022.9947637, https://doi.org/10.1109/ECCE50734.2022.9947637

TY - CONF

T1 - Control and Grid Support Function Evaluation for a Three-Phase Back-to-Back Modular Multilevel Converter System

AU - Chowdhury, Vikram

AU - Singh, Akanksha

AU - Mather, Barry

PY - 2022

Y1 - 2022

N2 - This paper focuses on the evaluation of advanced inverter controls for a 500kW back-to-back (B2B), silicon carbide, multilevel modular converter (MMC) used as a direct-connected medium-voltage grid intertie. A decentralized hierarchical controller architecture for the MMC system is presented, which uses the main controller to implement higher level grid interconnection functions per the IEEE 1547-2018 standards and the local controllers to execute lower level closed-loop functionality of the MMC stages. This paper presents and elaborates on the grid functionalities are elaborated and presented. The back-to-back converter system is equipped with local controllers and their corresponding functionalities are presented. Case study results for the corresponding functionalities presented show the effectiveness of the proposed architecture. To enhance the operation capabilities of the system, a parameter update scheme has been implemented and utilized in unison with the controller.

AB - This paper focuses on the evaluation of advanced inverter controls for a 500kW back-to-back (B2B), silicon carbide, multilevel modular converter (MMC) used as a direct-connected medium-voltage grid intertie. A decentralized hierarchical controller architecture for the MMC system is presented, which uses the main controller to implement higher level grid interconnection functions per the IEEE 1547-2018 standards and the local controllers to execute lower level closed-loop functionality of the MMC stages. This paper presents and elaborates on the grid functionalities are elaborated and presented. The back-to-back converter system is equipped with local controllers and their corresponding functionalities are presented. Case study results for the corresponding functionalities presented show the effectiveness of the proposed architecture. To enhance the operation capabilities of the system, a parameter update scheme has been implemented and utilized in unison with the controller.

KW - decentralized control

KW - grid-support controls

KW - modular multilevel converter

KW - Three-phase converter

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U2 - 10.1109/ECCE50734.2022.9947637

DO - 10.1109/ECCE50734.2022.9947637

M3 - Paper

AN - SCOPUS:85144020859

T2 - 2022 IEEE Energy Conversion Congress and Exposition, ECCE 2022

Y2 - 9 October 2022 through 13 October 2022

ER -

Control and Grid Support Function Evaluation for a Three-Phase Back-to-Back Modular Multilevel Converter System

Abstract

Conference

Bibliographical note

NREL Publication Number

Keywords

UN SDGs

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