Options
Harmonic stability of VSC connected Low Frequency AC offshore transmission with long HVAC cables
Date Issued
2018-09
Date Available
2019-05-15T08:05:26Z
Abstract
Low Frequency AC (LFAC) transmission has been proposed as an alternative to HVDC transmission for the integration of offshore wind. The LFAC offshore grid as a fully power electronic grid with a long HVAC cable provides significant challenges to harmonic stability. This paper presents an impedance based stability analysis to determine the stability of the power electronic offshore system across the harmonic frequency range. The stability analysis is introduced and applied to the LFAC system. The impact of different current and voltage control bandwidths and component sizes on the dynamic impedance of the converters is then examined and their impact on harmonic stability of the LFAC grid is determined. It is found that detailed knowledge of the control parameters and the ability to tune the bandwidths can mitigate significant harmonic instability with the presence of a long HVAC cable. Three phase simulations are then used to validated the impedance based stability technique.
Sponsorship
Science Foundation Ireland
Type of Material
Journal Article
Publisher
Elsevier
Journal
Electric Power Systems Research
Volume
162
Start Page
220
End Page
232
Copyright (Published Version)
2018 Elsevier
Language
English
Status of Item
Peer reviewed
ISSN
0378-7796
This item is made available under a Creative Commons License
File(s)
Owning collection
Scopus© citations
7
Acquisition Date
Mar 28, 2024
Mar 28, 2024
Views
829
Acquisition Date
Mar 28, 2024
Mar 28, 2024
Downloads
490
Last Week
1
1
Last Month
14
14
Acquisition Date
Mar 28, 2024
Mar 28, 2024