Advanced Protection and Control Methods for HVDC Outgoing Lines from Large-Scale Renewable Energy Bases
A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Power Electronics".
Deadline for manuscript submissions: 15 December 2026 | Viewed by 412
Editors
Interests: power system protection and control
Special Issues, Collections and Topics in MDPI journals
Interests: control and protection of HVDC and offshore wind farm transmission systems
Interests: HVDC transmission control and fault ride-through
Special Issue Information
Dear Colleagues,
With the advancement of carbon peak and carbon neutrality goals, numerous gigawatt-scale renewable energy bases are being planned and constructed in China, Europe, and North America. The electricity generated from these bases typically needs to be transmitted over long distances to load centers via high-voltage direct current (HVDC) systems. However, large-scale renewable energy transmitted through HVDC exhibits significant “double-high” characteristics (high penetration of renewables and high proportion of power electronic equipment). Compared with traditional power grids, the fault evolution mechanism in such systems is more complex, the transient process is extremely fast, and the coupling between control and protection is increasingly profound. Conventional protection principles face severe challenges such as reduced sensitivity and insufficient operating speed. Meanwhile, rapid fault isolation and secure system recovery after DC line faults urgently require deep coordination between protection strategies and converter control capabilities. Therefore, investigating complex fault characteristics, developing novel protection principles, and exploring control–protection coordination methods are of great theoretical and engineering significance for ensuring the safe and stable operation of DC transmission systems from renewable energy bases. This Special Issue aims to gather original articles and reviews on the following areas:
- Fault evolution mechanism and transient characteristics analysis of AC collection systems for large-scale renewable energy bases;
- Fault ride-through strategies of renewable station converters and their impact on collection system protection;
- Interaction between AC collection systems and DC converter stations and coordinated protection strategies;
- Fault evolution mechanisms and transient characteristics analysis of DC transmission lines;
- Novel DC line protection principles suitable for complex scenarios such as high resistance and weak infeed;
- DC fault ride-through and self-recovery technologies considering control–protection interaction;
- Fault characteristic analysis and protection principles for novel DC transmission technologies such as DRU and CLCC;
- Fault coordination and isolation strategies for multi-terminal DC grids and flexible DC grids;
- Fast sensing and intelligent control technologies for DC circuit breakers;
- Integrated fault diagnosis and location methods for AC/DC hybrid systems;
- Application of artificial intelligence and digital twins in fault protection and control of AC/DC systems;
- Control–protection coordination optimization strategies to enhance transmission capability from renewable energy bases.
Dr. Jian Qiao
Dr. Yangyang He
Dr. Jian Liu
Dr. Yifan Zhao
Guest Editors
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Keywords
- HVDC transmission
- large-scale renewable energy base
- fault analysis
- protection technology
- control coordination
- power electronic systems
- fault ride-through
- modular multilevel converter (MMC)
- DC circuit breaker
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