A Full Comparison between Droop Control and Virtual Synchronous Generator Control Considering Reactive Power Dynamics in Grid-Forming Inverters

Jiazhi Wang; Zeng Liu; Yidong Shi; Jinjun Liu

doi:10.1109/PEDG56097.2023.10215129

A Full Comparison between Droop Control and Virtual Synchronous Generator Control Considering Reactive Power Dynamics in Grid-Forming Inverters

Jiazhi Wang
, Zeng Liu
, Yidong Shi
, Jinjun Liu

School of Electrical Engineering

Xi'an Jiaotong University

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

Abstract

With the growing penetration ratio of renewable energy sources in the power grid, the grid-forming inverters arrest great attention owing to improved stability and frequency supporting ability. Usually, the droop control and the virtual synchronous generator control are two commonly utilized power distribution strategies among paralleled grid-forming inverters. This paper gives a full comparison between these two control strategies considering both active and reactive power dynamics. Meanwhile, the small-signal dynamics on both grid-connected operation and stand-alone operation are also compared. Moreover, the unity between these two control strategies is explored, considering the detailed implementation of virtual synchronous generator control. The implicit droop characteristics of virtual impedance are also derived. The theoretical results are verified by software simulations and hardware experiments.

Original language	English
Title of host publication	PEDG 2023 - 2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	651-660
Number of pages	10
ISBN (Electronic)	9798350328233
DOIs	https://doi.org/10.1109/PEDG56097.2023.10215129
State	Published - 2023
Event	14th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2023 - Shanghai, China Duration: 9 Jun 2023 → 12 Jun 2023

Publication series

Name	PEDG 2023 - 2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems

Conference

Conference	14th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2023
Country/Territory	China
City	Shanghai
Period	9/06/23 → 12/06/23

UN SDGs

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

SDG 7 Affordable and Clean Energy

Keywords

comparison
droop control
grid-forming inverter
small signal model
virtual synchronous generator

Access to Document

10.1109/PEDG56097.2023.10215129

Cite this

Wang, J., Liu, Z., Shi, Y., & Liu, J. (2023). A Full Comparison between Droop Control and Virtual Synchronous Generator Control Considering Reactive Power Dynamics in Grid-Forming Inverters. In PEDG 2023 - 2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems (pp. 651-660). (PEDG 2023 - 2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/PEDG56097.2023.10215129

Wang, Jiazhi ; Liu, Zeng ; Shi, Yidong et al. / A Full Comparison between Droop Control and Virtual Synchronous Generator Control Considering Reactive Power Dynamics in Grid-Forming Inverters. PEDG 2023 - 2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems. Institute of Electrical and Electronics Engineers Inc., 2023. pp. 651-660 (PEDG 2023 - 2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems).

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title = "A Full Comparison between Droop Control and Virtual Synchronous Generator Control Considering Reactive Power Dynamics in Grid-Forming Inverters",

abstract = "With the growing penetration ratio of renewable energy sources in the power grid, the grid-forming inverters arrest great attention owing to improved stability and frequency supporting ability. Usually, the droop control and the virtual synchronous generator control are two commonly utilized power distribution strategies among paralleled grid-forming inverters. This paper gives a full comparison between these two control strategies considering both active and reactive power dynamics. Meanwhile, the small-signal dynamics on both grid-connected operation and stand-alone operation are also compared. Moreover, the unity between these two control strategies is explored, considering the detailed implementation of virtual synchronous generator control. The implicit droop characteristics of virtual impedance are also derived. The theoretical results are verified by software simulations and hardware experiments.",

keywords = "comparison, droop control, grid-forming inverter, small signal model, virtual synchronous generator",

author = "Jiazhi Wang and Zeng Liu and Yidong Shi and Jinjun Liu",

note = "Publisher Copyright: {\textcopyright} 2023 IEEE.; 14th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2023 ; Conference date: 09-06-2023 Through 12-06-2023",

year = "2023",

doi = "10.1109/PEDG56097.2023.10215129",

language = "英语",

series = "PEDG 2023 - 2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

pages = "651--660",

booktitle = "PEDG 2023 - 2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems",

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Wang, J, Liu, Z, Shi, Y & Liu, J 2023, A Full Comparison between Droop Control and Virtual Synchronous Generator Control Considering Reactive Power Dynamics in Grid-Forming Inverters. in PEDG 2023 - 2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems. PEDG 2023 - 2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems, Institute of Electrical and Electronics Engineers Inc., pp. 651-660, 14th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2023, Shanghai, China, 9/06/23. https://doi.org/10.1109/PEDG56097.2023.10215129

A Full Comparison between Droop Control and Virtual Synchronous Generator Control Considering Reactive Power Dynamics in Grid-Forming Inverters. / Wang, Jiazhi; Liu, Zeng; Shi, Yidong et al.
PEDG 2023 - 2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems. Institute of Electrical and Electronics Engineers Inc., 2023. p. 651-660 (PEDG 2023 - 2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems).

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

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PY - 2023

Y1 - 2023

N2 - With the growing penetration ratio of renewable energy sources in the power grid, the grid-forming inverters arrest great attention owing to improved stability and frequency supporting ability. Usually, the droop control and the virtual synchronous generator control are two commonly utilized power distribution strategies among paralleled grid-forming inverters. This paper gives a full comparison between these two control strategies considering both active and reactive power dynamics. Meanwhile, the small-signal dynamics on both grid-connected operation and stand-alone operation are also compared. Moreover, the unity between these two control strategies is explored, considering the detailed implementation of virtual synchronous generator control. The implicit droop characteristics of virtual impedance are also derived. The theoretical results are verified by software simulations and hardware experiments.

AB - With the growing penetration ratio of renewable energy sources in the power grid, the grid-forming inverters arrest great attention owing to improved stability and frequency supporting ability. Usually, the droop control and the virtual synchronous generator control are two commonly utilized power distribution strategies among paralleled grid-forming inverters. This paper gives a full comparison between these two control strategies considering both active and reactive power dynamics. Meanwhile, the small-signal dynamics on both grid-connected operation and stand-alone operation are also compared. Moreover, the unity between these two control strategies is explored, considering the detailed implementation of virtual synchronous generator control. The implicit droop characteristics of virtual impedance are also derived. The theoretical results are verified by software simulations and hardware experiments.

KW - comparison

KW - droop control

KW - grid-forming inverter

KW - small signal model

KW - virtual synchronous generator

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PB - Institute of Electrical and Electronics Engineers Inc.

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Wang J, Liu Z, Shi Y, Liu J. A Full Comparison between Droop Control and Virtual Synchronous Generator Control Considering Reactive Power Dynamics in Grid-Forming Inverters. In PEDG 2023 - 2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems. Institute of Electrical and Electronics Engineers Inc. 2023. p. 651-660. (PEDG 2023 - 2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems). doi: 10.1109/PEDG56097.2023.10215129

A Full Comparison between Droop Control and Virtual Synchronous Generator Control Considering Reactive Power Dynamics in Grid-Forming Inverters

Abstract

Publication series

Conference

UN SDGs

Keywords

Access to Document

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