MVMO-based tuning of Active Power Gradient Control of VSC-HVDC links for Frequency Support

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Abstract

The active power gradient (APG) control of MMC-HVDC links can contribute to frequency support in AC networks affected by severe active power imbalances. This functionality is particularly convenient if the coupled AC systems (through MMC-HVDC) have similar levels of available inertia. This paper tackles the problem of determining the optimal APG parameters that entail bounding frequency excursions within acceptable limits while helping to quickly damp out electromechanical oscillations. The tuning task is tackled as a single objective computationally expensive optimization problem. Since the optimization search procedure involves repetitive time-domain (RMS) simulations, the major challenge resides in solving the problem within reduced amount of fitness evaluations. In view of this, an emerging metaheuristic algorithm, namely, the mean-variance mapping optimization (MVMO) is selected. Numerical results prove the effectiveness of MVMO in finding the optimal solution within a few fitness evaluations.

Original languageEnglish
Title of host publication2nd International Conference on Smart Grid and Renewable Energy, SGRE 2019 - Proceedings
PublisherIEEE
Number of pages6
ISBN (Electronic)9781728129600
DOIs
Publication statusPublished - 2019
Event2nd International Conference on Smart Grid and Renewable Energy, SGRE 2019 - Doha, Qatar
Duration: 19 Nov 201921 Nov 2019

Conference

Conference2nd International Conference on Smart Grid and Renewable Energy, SGRE 2019
Country/TerritoryQatar
CityDoha
Period19/11/1921/11/19

Bibliographical note

"Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public."

Keywords

  • Active power gradient
  • frequency control
  • MVMO
  • VSC-HVDC

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