Control of VSC-HVDC in offshore AC islands with wind power plants: Comparison of two alternatives

Lorenzo Zeni; Bo Hesselbaek; Poul E. Sorensen; Anca D. Hansen; Philip C. Kjaer

doi:10.1109/PTC.2015.7232291

Control of VSC-HVDC in offshore AC islands with wind power plants: Comparison of two alternatives

Lorenzo Zeni, Bo Hesselbaek, Poul E. Sorensen, Anca D. Hansen, Philip C. Kjaer

AAU Energy

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

6 Citations (Scopus)

Abstract

The subject of this paper is the control of offshore AC collection and export networks behind a voltage source converter based high voltage direct current transmission system. The inertia-less nature of such grids makes the control of voltages and power flows potentially more flexible, but at the same time more prone to instabilities. Focus in this paper is on a voltage source converter based high voltage direct current connected wind power plant. Two state-of-art controllers for the offshore high voltage direct current converter station are compared, both at no-load and when wind turbine converters are producing power and controlled with usual vector current control. Sensitivity analyses help identify critical factors influencing stability. The influence of lumping the wind power plant into one converter is assessed by comparison with the full model. The conclusions identify the preferred control technique.

Original language	English
Title of host publication	2015 IEEE Eindhoven PowerTech, PowerTech 2015
Number of pages	6
Publisher	IEEE Press
Publication date	31 Aug 2015
Article number	7232291
ISBN (Print)	9781479976935
DOIs	https://doi.org/10.1109/PTC.2015.7232291
Publication status	Published - 31 Aug 2015
Event	IEEE Eindhoven PowerTech, PowerTech 2015 - Eindhoven, Netherlands Duration: 29 Jun 2015 → 2 Jul 2015

Conference

Conference	IEEE Eindhoven PowerTech, PowerTech 2015
Country/Territory	Netherlands
City	Eindhoven
Period	29/06/2015 → 02/07/2015

Keywords

HVDC
Integration of Wind Power
Small-Signal Stability
Voltage Source Converters
Wind Power Plants

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10.1109/PTC.2015.7232291

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Cite this

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title = "Control of VSC-HVDC in offshore AC islands with wind power plants: Comparison of two alternatives",

abstract = "The subject of this paper is the control of offshore AC collection and export networks behind a voltage source converter based high voltage direct current transmission system. The inertia-less nature of such grids makes the control of voltages and power flows potentially more flexible, but at the same time more prone to instabilities. Focus in this paper is on a voltage source converter based high voltage direct current connected wind power plant. Two state-of-art controllers for the offshore high voltage direct current converter station are compared, both at no-load and when wind turbine converters are producing power and controlled with usual vector current control. Sensitivity analyses help identify critical factors influencing stability. The influence of lumping the wind power plant into one converter is assessed by comparison with the full model. The conclusions identify the preferred control technique.",

keywords = "HVDC, Integration of Wind Power, Small-Signal Stability, Voltage Source Converters, Wind Power Plants",

author = "Lorenzo Zeni and Bo Hesselbaek and Sorensen, {Poul E.} and Hansen, {Anca D.} and Kjaer, {Philip C.}",

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T2 - IEEE Eindhoven PowerTech, PowerTech 2015

AU - Zeni, Lorenzo

AU - Hesselbaek, Bo

AU - Sorensen, Poul E.

AU - Hansen, Anca D.

AU - Kjaer, Philip C.

PY - 2015/8/31

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N2 - The subject of this paper is the control of offshore AC collection and export networks behind a voltage source converter based high voltage direct current transmission system. The inertia-less nature of such grids makes the control of voltages and power flows potentially more flexible, but at the same time more prone to instabilities. Focus in this paper is on a voltage source converter based high voltage direct current connected wind power plant. Two state-of-art controllers for the offshore high voltage direct current converter station are compared, both at no-load and when wind turbine converters are producing power and controlled with usual vector current control. Sensitivity analyses help identify critical factors influencing stability. The influence of lumping the wind power plant into one converter is assessed by comparison with the full model. The conclusions identify the preferred control technique.

AB - The subject of this paper is the control of offshore AC collection and export networks behind a voltage source converter based high voltage direct current transmission system. The inertia-less nature of such grids makes the control of voltages and power flows potentially more flexible, but at the same time more prone to instabilities. Focus in this paper is on a voltage source converter based high voltage direct current connected wind power plant. Two state-of-art controllers for the offshore high voltage direct current converter station are compared, both at no-load and when wind turbine converters are producing power and controlled with usual vector current control. Sensitivity analyses help identify critical factors influencing stability. The influence of lumping the wind power plant into one converter is assessed by comparison with the full model. The conclusions identify the preferred control technique.

KW - HVDC

KW - Integration of Wind Power

KW - Small-Signal Stability

KW - Voltage Source Converters

KW - Wind Power Plants

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BT - 2015 IEEE Eindhoven PowerTech, PowerTech 2015

PB - IEEE Press

Y2 - 29 June 2015 through 2 July 2015

ER -

Control of VSC-HVDC in offshore AC islands with wind power plants: Comparison of two alternatives

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