期刊
IET GENERATION TRANSMISSION & DISTRIBUTION
卷 12, 期 10, 页码 2207-2219出版社
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/iet-gtd.2017.1140
关键词
voltage-source convertors; HVDC power transmission; renewable energy sources; power grids; power system stability; frequency stability; power system control; mixed AC-DC systems; VSC-HVDC systems; voltage-source converter-high-voltage direct current system; far-from-shore renewable energy resources; main AC grids; power transfer capability; AC lines; synchronous generation units; VSC-HVDC control; power system stability; control tuning; system dynamics; voltage stability; large-disturbance angle stability; high-frequency interaction; frequency stability
资金
- Scottish and Southern Energy plc (SSE plc)
- Engineering and Physical Sciences Research Council (EPSRC) [EP/L021463/1 MTVN]
- EPSRC [EP/L021463/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/L021463/1] Funding Source: researchfish
Voltage-source converter-high-voltage direct current (VSC-HVDC) systems have become an attractive option for integrating remote and far-from-shore renewable energy resources to main AC grids. The desire for greater power transfer capability and the difficulty in securing right-of-way for new AC lines in many countries is also resulting in the increased use of embedded VSC-HVDC systems operating in parallel with existing AC lines. It has been stated that the control and operation of VSC-HVDC systems are of particular concern for weak grids with fewer large synchronous generation units (a highly probable case for many grids in future). If the anticipated proliferation of VSC-HVDC links continues, several aspects of system stability will be significantly impacted. This study presents an overview of the effects of VSC-HVDC control and operation on power system stability. The structure, control, control tuning, and modelling of VSC-HVDC is briefly summarised to provide context for subsequent discussion of the system dynamics. An extensive critical review of the previous research into mixed AC-DC systems incorporating VSC-HVDC is then provided including voltage stability, small and large-disturbance angle stability, high-frequency interaction, and frequency stability. Finally, recommendations are presented to guide critical future research.
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