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Small Signal Analysis of DC Voltage Control Based on a Virtual Resistance of DC/DC Converter Integrated in a Multiterminal DC Grid
  • +3
  • Ghazala Shafique,
  • Johan Boukhenfouf,
  • Francois Gruson,
  • Shabab Samimi,
  • Frédéric Colas,
  • Xavier Guillaud
Ghazala Shafique
Arts et Métiers

Corresponding Author:[email protected]

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Johan Boukhenfouf
Arts et Métiers
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Francois Gruson
Arts et Métiers Institute of Technology
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Shabab Samimi
ESME, ESME Research Lab, Campus de Lille
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Frédéric Colas
Univ. Lille, Arts et Metiers Institute of Technology, Centrale Lille, Junia, ULR 2697 - L2EP
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Xavier Guillaud
Universite de Lille
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Abstract

The future multi-terminal direct-current (MTDC) grid will require the interconnection of point-to-point high-voltage (HV) DC links with different specifications such as DC voltage level, system grounding configuration and HVDC technology. To adapt these differences, DC/DC converters are obligatory to interconnect HVDC links. Additionally, they are capable of providing supplementary functionalities as they are highly controllable devices. In this paper, a primary virtual resistance DC voltage controller associated with DC/DC converter is proposed for managing DC grid voltages of the interconnected HVDC grids, increasing the reliability of the system. The commonly known topology, Front-to-Front Modular Multilevel Converter (F2F-MMC) is adopted for DC/DC converter. Time-domain simulations are performed using EMTP software for validating the controller behaviour under power disturbances and large events of loss of one converter in a MMC-based MTDC system. The converters are modelled using reduced order modelling (ROM) methodology. Apart from this, dynamic studies have been carried out using a linear state space model for small-signal stability analysis of a HVDC system integrating DC/DC converter with a virtual resistance DC voltage controller. The results are examined through parametric sensitivity analysis.
30 Jan 2024Submitted to IET Generation, Transmission & Distribution
20 Apr 2024Review(s) Completed, Editorial Evaluation Pending
25 May 2024Editorial Decision: Revise Major
12 Jun 20241st Revision Received
30 Jun 2024Review(s) Completed, Editorial Evaluation Pending
18 Jul 2024Editorial Decision: Revise Major
25 Jul 20242nd Revision Received
26 Jul 2024Assigned to Editor
26 Jul 2024Submission Checks Completed
26 Jul 2024Review(s) Completed, Editorial Evaluation Pending
26 Jul 2024Reviewer(s) Assigned
30 Jul 2024Editorial Decision: Revise Minor
04 Aug 20243rd Revision Received
05 Aug 2024Submission Checks Completed
05 Aug 2024Assigned to Editor
05 Aug 2024Review(s) Completed, Editorial Evaluation Pending
05 Aug 2024Reviewer(s) Assigned
20 Aug 2024Editorial Decision: Accept