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Track 6: State assessment, fault diagnosis and analysis of new power system

Chair: Bo Yang
Affiliation: Faculty of Electric Power Engineering, Kunming University of Science and Technology
Address: Electric Power Building at Chenggong Campus of Kunming University of Science and Technology

To address environmental and climate issues, vigorously developing new energy sources such as wind and solar energy has become a common choice for countries around the world to formulate energy policies and promote clean energy transformation. The country has clearly proposed to incorporate “carbon peaking” and “carbon neutrality” into the overall layout of ecological civilization construction and to build a new type of power system with new energy as the main body. Under the paradigm of the new power system, new energy is the main source of power supply, smart grid is the hub platform, and source, grid, load, and storage interaction and multi-energy complementarity are the support. However, the current problem is that with the gradual advancement of the construction of new power system, the system voltage level continues to rise, and voltage fluctuations become more severe. High frequency and high-intensity voltage shocks affect the operational reliability of key equipment; The proportion of new energy connected to the grid has significantly increased, and more and more new energy generation units are connected to the grid through power electronic equipment, which exacerbates the complexity of harmonic components in the power system, leading to accelerated insulation aging, overheating of critical equipment, and even shortening the lifespan of critical equipment. Based on this background, it is urgent to propose a new risk assessment method for new power system, providing a quantitative decision-making basis for system planning and operation, and ensuring the safe and reliable operation of the system. To ensure the safe and stable operation of the new power system, it is necessary to conduct in-depth research on the control and operational characteristics of the new power system and overcome bottleneck issues such as new power system status monitoring technology, new power system risk assessment technology, and new power system fault diagnosis technology. This topic aims to explore the current development status and future development direction of key technologies that contribute to the reliable, safe, and stable operation of new power system from two aspects: system state assessment and fault diagnosis.

State assessment technology of new power system
Fault diagnosis technology of new power system
Line load forecasting technology of new power system
Overload risk assessment technology of new power system
Overload protection technology of new power system
Line protection technology of new power system