Advances in New Energy Power Technology

Dear Colleagues,

With the large-scale grid connection of new energy with strong randomness/volatility and a significant number of power electronic equipment, the topological structure and dynamic characteristics of the power system have undergone profound changes, and the safe and stable operation of the power system with new energy as the main body faces great challenges. Power electronic equipment has many control time scales, strong coupling between different devices, a weak overload capacity, and a complex operation transient process, which makes stability problems such as voltage, synchronization and frequency more prominent. Firstly, the lack of power regulation at different time scales greatly weakens the frequency, voltage support and control capabilities, and significantly increases the risk of chain failures. Secondly, the basic theory and methods used to achieve power system stability need to be expanded. Indeed, the participation of multiple controllable resources in system regulation increases the dimensions and complexity of control decisions. Therefore, it is urgent to explore novel theories and technologies for stability analysis, collaborative control and the optimal operation of high-proportion energy power systems.

Potential topics may include (but are not limited to) the following:

• Frequency stability analysis and control technology;
• Voltage stability analysis and control technology;
• Stability analysis and collaborative control of new energy cluster;
• Optimization control of active distribution networks;
• Source-grid collaboration of new energy power system;
• Inertia identification, evaluation and optimal configuration;
• Mechanism analysis and optimal control of frequency security and stability;
• Theory and methods of new energy power system modeling;
• Stability analysis and control of DC transmission system in renewable energy system;
• New energy power system fault recovery;
• New energy power system resilience improvement.

Dr. Bo Zhang
Dr. Shaoyan Li
Dr. Jiaoxin Jia
Guest Editors

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