Design of Control Architecture for Stacked Low-Inertia Converters with Fast Dynamic Control

Xiangyu Han; Liran Zheng; Zheng An; Rajendra Prasad Kandula; Maryam Saeedifard; Deepak Divan

doi:10.1109/ECCE44975.2020.9235778

Design of Control Architecture for Stacked Low-Inertia Converters with Fast Dynamic Control

Xiangyu Han, Liran Zheng, Zheng An, Rajendra Prasad Kandula, Maryam Saeedifard, Deepak Divan

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

2 Scopus citations

Abstract

Control architectures based on distributed controllers are favored in control of modular stacked converters because of their scalability, ease of installation and stable structure. However, the existing solutions are only applicable to traditional voltage source converters (VSCs) with high-inertia components, i.e., larger DC-link capacitance which are controlled with slow proportional-integral controllers. Therefore, there is no demanding requirement on the communication speed. This paper presents the challenges in the design of control architecture of low-inertia converters, such as soft-switching solid-state transformers (S4T), particularly using fast-dynamic control. It also proposes a methodology to realize the control architecture for such stacked low-inertia converters. The proposed control architecture is verified on a two-module S4T operating at 4 kV using hardware-in-loop simulation in the OPAL-RT platform and by experiments.

Original language	English
Title of host publication	ECCE 2020 - IEEE Energy Conversion Congress and Exposition
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	5703-5708
Number of pages	6
ISBN (Electronic)	9781728158266
DOIs	https://doi.org/10.1109/ECCE44975.2020.9235778
State	Published - Oct 11 2020
Externally published	Yes
Event	12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020 - Virtual, Detroit, United States Duration: Oct 11 2020 → Oct 15 2020

Publication series

Name	ECCE 2020 - IEEE Energy Conversion Congress and Exposition

Conference

Conference	12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020
Country/Territory	United States
City	Virtual, Detroit
Period	10/11/20 → 10/15/20

Funding

The authors are grateful for the support provided by OPAL-RT, ARPA-E and Center for Distributed Energy (CDE) at Georgia Tech for this work.

Keywords

Control architecture
MVDC converter
fast dynamic control
soft switching
solid-state transformer

Access to Document

10.1109/ECCE44975.2020.9235778

Cite this

Han, X., Zheng, L., An, Z., Kandula, R. P., Saeedifard, M., & Divan, D. (2020). Design of Control Architecture for Stacked Low-Inertia Converters with Fast Dynamic Control. In ECCE 2020 - IEEE Energy Conversion Congress and Exposition (pp. 5703-5708). Article 9235778 (ECCE 2020 - IEEE Energy Conversion Congress and Exposition). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ECCE44975.2020.9235778

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title = "Design of Control Architecture for Stacked Low-Inertia Converters with Fast Dynamic Control",

abstract = "Control architectures based on distributed controllers are favored in control of modular stacked converters because of their scalability, ease of installation and stable structure. However, the existing solutions are only applicable to traditional voltage source converters (VSCs) with high-inertia components, i.e., larger DC-link capacitance which are controlled with slow proportional-integral controllers. Therefore, there is no demanding requirement on the communication speed. This paper presents the challenges in the design of control architecture of low-inertia converters, such as soft-switching solid-state transformers (S4T), particularly using fast-dynamic control. It also proposes a methodology to realize the control architecture for such stacked low-inertia converters. The proposed control architecture is verified on a two-module S4T operating at 4 kV using hardware-in-loop simulation in the OPAL-RT platform and by experiments.",

keywords = "Control architecture, MVDC converter, fast dynamic control, soft switching, solid-state transformer",

author = "Xiangyu Han and Liran Zheng and Zheng An and Kandula, {Rajendra Prasad} and Maryam Saeedifard and Deepak Divan",

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Han, X, Zheng, L, An, Z, Kandula, RP, Saeedifard, M & Divan, D 2020, Design of Control Architecture for Stacked Low-Inertia Converters with Fast Dynamic Control. in ECCE 2020 - IEEE Energy Conversion Congress and Exposition., 9235778, ECCE 2020 - IEEE Energy Conversion Congress and Exposition, Institute of Electrical and Electronics Engineers Inc., pp. 5703-5708, 12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020, Virtual, Detroit, United States, 10/11/20. https://doi.org/10.1109/ECCE44975.2020.9235778

Design of Control Architecture for Stacked Low-Inertia Converters with Fast Dynamic Control. / Han, Xiangyu; Zheng, Liran; An, Zheng et al.
ECCE 2020 - IEEE Energy Conversion Congress and Exposition. Institute of Electrical and Electronics Engineers Inc., 2020. p. 5703-5708 9235778 (ECCE 2020 - IEEE Energy Conversion Congress and Exposition).

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

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AU - Zheng, Liran

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AU - Kandula, Rajendra Prasad

AU - Saeedifard, Maryam

AU - Divan, Deepak

PY - 2020/10/11

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N2 - Control architectures based on distributed controllers are favored in control of modular stacked converters because of their scalability, ease of installation and stable structure. However, the existing solutions are only applicable to traditional voltage source converters (VSCs) with high-inertia components, i.e., larger DC-link capacitance which are controlled with slow proportional-integral controllers. Therefore, there is no demanding requirement on the communication speed. This paper presents the challenges in the design of control architecture of low-inertia converters, such as soft-switching solid-state transformers (S4T), particularly using fast-dynamic control. It also proposes a methodology to realize the control architecture for such stacked low-inertia converters. The proposed control architecture is verified on a two-module S4T operating at 4 kV using hardware-in-loop simulation in the OPAL-RT platform and by experiments.

AB - Control architectures based on distributed controllers are favored in control of modular stacked converters because of their scalability, ease of installation and stable structure. However, the existing solutions are only applicable to traditional voltage source converters (VSCs) with high-inertia components, i.e., larger DC-link capacitance which are controlled with slow proportional-integral controllers. Therefore, there is no demanding requirement on the communication speed. This paper presents the challenges in the design of control architecture of low-inertia converters, such as soft-switching solid-state transformers (S4T), particularly using fast-dynamic control. It also proposes a methodology to realize the control architecture for such stacked low-inertia converters. The proposed control architecture is verified on a two-module S4T operating at 4 kV using hardware-in-loop simulation in the OPAL-RT platform and by experiments.

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Han X, Zheng L, An Z, Kandula RP, Saeedifard M, Divan D. Design of Control Architecture for Stacked Low-Inertia Converters with Fast Dynamic Control. In ECCE 2020 - IEEE Energy Conversion Congress and Exposition. Institute of Electrical and Electronics Engineers Inc. 2020. p. 5703-5708. 9235778. (ECCE 2020 - IEEE Energy Conversion Congress and Exposition). doi: 10.1109/ECCE44975.2020.9235778

Design of Control Architecture for Stacked Low-Inertia Converters with Fast Dynamic Control

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Keywords

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