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Generic inertia emulation controller for multi‐terminal voltage‐source‐converter high voltage direct current systems.

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Title: Generic inertia emulation controller for multi‐terminal voltage‐source‐converter high voltage direct current systems.
Authors: Zhu, Jiebei1 (AUTHOR) Jiebei.zhu@nationalgrid.com, Guerrero, Josep M.2 (AUTHOR), Hung, William3 (AUTHOR), Booth, Campbell D.4 (AUTHOR), Adam, Grain P.4 (AUTHOR)
Source: IET Renewable Power Generation (Wiley-Blackwell). Sep2014, Vol. 8 Issue 7, p740-748. 9p.
Abstract: A generic inertia emulation controller (INEC) scheme for multi‐terminal voltage‐source‐converter (VSC)‐based high voltage direct current (HVDC) systems is proposed in this study. The INEC can be incorporated in any grid‐side VSC station, allowing the multi‐terminal HVDC (MTDC) terminal to contribute an inertial response to connected AC systems during system disturbances, in a fashion similar to synchronous generators. The DC‐link capacitors within the MTDC are utilised by the INEC scheme to exchange stored energy with the AC system by varying the overall DC voltage level of the MTDC network within a safe and pre‐defined range. A theoretical treatment of the INEC algorithm and its implementation and integration within a conventional VSC control system are presented, and the impact on the total DC capacitance required within the MTDC network to ensure that DC voltages vary within an acceptable range is discussed. The proposed INEC scheme is validated using a MATLAB/SIMULINK model under various changes in demand and AC network faults. The model incorporates a multi‐machine AC power system connected to a MTDC transmission system with multiple converter‐interfaced nodes. The effectiveness of the INEC in damping post‐fault oscillations and in enhancing AC grid frequency stability is also investigated. [ABSTRACT FROM AUTHOR]
Copyright of IET Renewable Power Generation (Wiley-Blackwell) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Generic inertia emulation controller for multi‐terminal voltage‐source‐converter high voltage direct current systems.
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  Data: <searchLink fieldCode="AR" term="%22Zhu%2C+Jiebei%22">Zhu, Jiebei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> Jiebei.zhu@nationalgrid.com</i><br /><searchLink fieldCode="AR" term="%22Guerrero%2C+Josep+M%2E%22">Guerrero, Josep M.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hung%2C+William%22">Hung, William</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Booth%2C+Campbell+D%2E%22">Booth, Campbell D.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Adam%2C+Grain+P%2E%22">Adam, Grain P.</searchLink><relatesTo>4</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22IET+Renewable+Power+Generation+%28Wiley-Blackwell%29%22">IET Renewable Power Generation (Wiley-Blackwell)</searchLink>. Sep2014, Vol. 8 Issue 7, p740-748. 9p.
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A generic inertia emulation controller (INEC) scheme for multi‐terminal voltage‐source‐converter (VSC)‐based high voltage direct current (HVDC) systems is proposed in this study. The INEC can be incorporated in any grid‐side VSC station, allowing the multi‐terminal HVDC (MTDC) terminal to contribute an inertial response to connected AC systems during system disturbances, in a fashion similar to synchronous generators. The DC‐link capacitors within the MTDC are utilised by the INEC scheme to exchange stored energy with the AC system by varying the overall DC voltage level of the MTDC network within a safe and pre‐defined range. A theoretical treatment of the INEC algorithm and its implementation and integration within a conventional VSC control system are presented, and the impact on the total DC capacitance required within the MTDC network to ensure that DC voltages vary within an acceptable range is discussed. The proposed INEC scheme is validated using a MATLAB/SIMULINK model under various changes in demand and AC network faults. The model incorporates a multi‐machine AC power system connected to a MTDC transmission system with multiple converter‐interfaced nodes. The effectiveness of the INEC in damping post‐fault oscillations and in enhancing AC grid frequency stability is also investigated. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of IET Renewable Power Generation (Wiley-Blackwell) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1049/iet-rpg.2014.0109
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        Text: English
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              Text: Sep2014
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