Output Impedance Modelling and Sensitivity Study of Grid-Feeding Inverters with Dual Current Control

Lucia Beloqui Larumbe; Zian Qin; Pavol Bauer

doi:10.1109/IECON.2019.8927067

Output Impedance Modelling and Sensitivity Study of Grid-Feeding Inverters with Dual Current Control

Lucia Beloqui Larumbe, Zian Qin, Pavol Bauer

DC systems, Energy conversion & Storage

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

Abstract

In this paper, the output impedance of a three-phase inverter based on a dual current control (also called double synchronous reference frame current control) is modelled, which includes: the current loop gain, the control delay, and the Phase-
Locked Loop (PLL). The impact of these parameters on the impedance is then analysed by a sensitivity study. The model is derived using transfer matrices and complex transfer functions, and it results in a compact impedance formulation that can be used in harmonic small-signal stability studies and system-wide steady-state harmonic calculations.

Original language	English
Title of host publication	IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society
Place of Publication	Piscataway
Publisher	IEEE
Pages	4007-4012
Number of pages	6
ISBN (Electronic)	978-1-7281-4878-6
ISBN (Print)	978-1-7281-4879-3
DOIs	https://doi.org/10.1109/IECON.2019.8927067
Publication status	Published - 2019
Event	IECON 2019: IEEE 45th Annual Conference of the Industrial Electronics Society - Lisbon, Portugal Duration: 14 Oct 2019 → 17 Oct 2019 Conference number: 45th

Conference

Conference	IECON 2019
Country	Portugal
City	Lisbon
Period	14/10/19 → 17/10/19

Keywords

inverter
dual current control
double synchronous reference frame
small-signal model
impedance

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Cite this

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title = "Output Impedance Modelling and Sensitivity Study of Grid-Feeding Inverters with Dual Current Control",

abstract = "In this paper, the output impedance of a three-phase inverter based on a dual current control (also called double synchronous reference frame current control) is modelled, which includes: the current loop gain, the control delay, and the Phase-Locked Loop (PLL). The impact of these parameters on the impedance is then analysed by a sensitivity study. The model is derived using transfer matrices and complex transfer functions, and it results in a compact impedance formulation that can be used in harmonic small-signal stability studies and system-wide steady-state harmonic calculations.",

keywords = "inverter, dual current control, double synchronous reference frame, small-signal model, impedance",

author = "{Beloqui Larumbe}, Lucia and Zian Qin and Pavol Bauer",

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language = "English",

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booktitle = "IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society",

publisher = "IEEE",

address = "United States",

note = "IECON 2019 : IEEE 45th Annual Conference of the Industrial Electronics Society ; Conference date: 14-10-2019 Through 17-10-2019",

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Output Impedance Modelling and Sensitivity Study of Grid-Feeding Inverters with Dual Current Control. / Beloqui Larumbe, Lucia ; Qin, Zian ; Bauer, Pavol.

IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society. Piscataway : IEEE, 2019. p. 4007-4012.

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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N2 - In this paper, the output impedance of a three-phase inverter based on a dual current control (also called double synchronous reference frame current control) is modelled, which includes: the current loop gain, the control delay, and the Phase-Locked Loop (PLL). The impact of these parameters on the impedance is then analysed by a sensitivity study. The model is derived using transfer matrices and complex transfer functions, and it results in a compact impedance formulation that can be used in harmonic small-signal stability studies and system-wide steady-state harmonic calculations.

AB - In this paper, the output impedance of a three-phase inverter based on a dual current control (also called double synchronous reference frame current control) is modelled, which includes: the current loop gain, the control delay, and the Phase-Locked Loop (PLL). The impact of these parameters on the impedance is then analysed by a sensitivity study. The model is derived using transfer matrices and complex transfer functions, and it results in a compact impedance formulation that can be used in harmonic small-signal stability studies and system-wide steady-state harmonic calculations.

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KW - dual current control

KW - double synchronous reference frame

KW - small-signal model

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