Generic PLL-Based Grid-Forming Control

Lennart Harnefors; Mario Schweizer; Jarno Kukkola; Mikko Routimo; Marko Hinkkanen; Xiongfei Wang

doi:10.1109/TPEL.2021.3106045

Generic PLL-Based Grid-Forming Control

Lennart Harnefors, Mario Schweizer, Jarno Kukkola, Mikko Routimo, Marko Hinkkanen, Xiongfei Wang

Research output: Contribution to journal › Journal article › Research › peer-review

30 Citations (Scopus)

73 Downloads (Pure)

Abstract

In grid-forming control, the swing equation of a synchronous machine is emulated by a power controller. Thereby, frequency droop, power-oscillation damping, and/or virtual inertia can be obtained. In this letter, it is shown that a phase-locked loop - which is normally grid following - can be designed so as to, in turn, emulate a generic power controller, thus, becoming grid-forming.

Original language	English
Journal	IEEE Transactions on Power Electronics
Volume	37
Issue number	2
Pages (from-to)	1201-1204
Number of pages	4
ISSN	0885-8993
DOIs	https://doi.org/10.1109/TPEL.2021.3106045
Publication status	Published - 1 Feb 2022

Bibliographical note

Publisher Copyright:
IEEE

Keywords

Automatic voltage control
Couplings
Damping
Emulation
Grid-connected converters
grid-forming control
Phase locked loops
phase-locked loops
Resistance
Transient analysis
voltage-source converters

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10.1109/TPEL.2021.3106045

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AU - Schweizer, Mario

AU - Kukkola, Jarno

AU - Routimo, Mikko

AU - Hinkkanen, Marko

AU - Wang, Xiongfei

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N2 - In grid-forming control, the swing equation of a synchronous machine is emulated by a power controller. Thereby, frequency droop, power-oscillation damping, and/or virtual inertia can be obtained. In this letter, it is shown that a phase-locked loop - which is normally grid following - can be designed so as to, in turn, emulate a generic power controller, thus, becoming grid-forming.

AB - In grid-forming control, the swing equation of a synchronous machine is emulated by a power controller. Thereby, frequency droop, power-oscillation damping, and/or virtual inertia can be obtained. In this letter, it is shown that a phase-locked loop - which is normally grid following - can be designed so as to, in turn, emulate a generic power controller, thus, becoming grid-forming.

KW - Automatic voltage control

KW - Couplings

KW - Damping

KW - Emulation

KW - Grid-connected converters

KW - grid-forming control

KW - Phase locked loops

KW - phase-locked loops

KW - Resistance

KW - Transient analysis

KW - voltage-source converters

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JO - IEEE Transactions on Power Electronics

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Generic PLL-Based Grid-Forming Control

Abstract

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