Design consideration for frequency containment reserve provisions by a multi‐terminal HVDC system

Frequency control is considered to be an important function of multi‐terminal HVDC (MTDC) systems. Sharing frequency containment reserves (FCRs) among interconnected AC systems using HVDC technology is particularly attractive in the European context. However, coordination of the contribution between...

Full description

Saved in:
Bibliographic Details
Published in:IET generation, transmission & distribution transmission & distribution, 2023-09, Vol.17 (18), p.4024-4037
Main Authors: Shinoda, Kosei, Dai, Jing, Bakhos, Gianni, Gonzalez‐Torres, Juan Carlos, Benchaib, Abdelkrim, Bacha, Seddik
Format: Article
Language:English
Subjects:
DC transmission networks
Engineering Sciences
frequency control
frequency stability
HVDC power transmission
Citations: Items that this one cites
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Frequency control is considered to be an important function of multi‐terminal HVDC (MTDC) systems. Sharing frequency containment reserves (FCRs) among interconnected AC systems using HVDC technology is particularly attractive in the European context. However, coordination of the contribution between systems with different sizes, quality requirements, and dynamic characteristics requires harmonized rules and well‐defined control strategies. If the controllers are not properly designed, they can lead to disproportional supports, noncompliance with the existing regulation framework, or even degradation of the frequency quality. This paper presents a general analytical methodology for assessing the compliance of MTDC grid control solutions to the essential requirements of the FCR framework, and then examines three different implementation solutions as illustrative examples to validate the method. Through this process, the interaction mechanisms behind each solution are analytically clarified. The performance analyses are then confirmed using load‐frequency models of CE, Nordic, and GB systems coupled with a three‐terminal DC system. It is revealed that, while certain control solutions result in insufficient performance with respect to the desired FCR provision, the newly proposed distributed solution for each pair of converters is the most compliant with the existing framework thanks to the highest degrees of freedom.
ISSN:1751-8687
1751-8695
DOI:10.1049/gtd2.12955