Abstract
With global trends of carbon neutrality, offshore wind energy is considered as the most promising resource. However, as large-scale renewable energy resources replace the existing synchronous generators (SG), concerns about the system stability are growing. Owing to the absence of system supports provided by the SG. Therefore, operators require the wind generators to participate in frequency control. In addition, controls have been devised to perform frequency support even when large-scale offshore wind farm (OWF) linked to High Voltage Direct Current (HVDC). However, this frequency support control's impacts on the overall system stability are not investigated in deeply yet. Therefore, in this study, the impacts of frequency control from OWF-linked HVDC system using communication-less scheme on the system instability were investigated using small-signal stability analysis. Its results revealed that this frequency support control caused instability. Modal analysis and simulations support these interpretations and improve the understanding its mechanism and dynamics.
| Original language | English |
|---|---|
| Pages (from-to) | 116-124 |
| Number of pages | 9 |
| Journal | Energy Reports |
| Volume | 9 |
| DOIs | |
| Publication status | Published - 2023 Oct |
Bibliographical note
Publisher Copyright:© 2023 The Author(s)
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Frequency support control
- Modal analysis
- Small-signal stability
- Sub-synchronous oscillation
- Wind-linked HVDC system
ASJC Scopus subject areas
- General Energy
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