China Southern Power Grid (China)

Multi-party transaction optimization decision-making in microgrid electricity market based on blockchain Berge-NS equilibrium

A multi-agent transaction optimization decision-making method based on blockchain Berge-NS equilibrium is proposed, aiming to protect user interests and achieve carbon reduction objectives. Firstly, by improving the utility function of electricity users and quantifying the impact...

Research on analytic hierarchy process for environmental risk assessment and source control during power grid construction stage

Comprehensive assessment of environmental risks associated with power grid enterprises is performed in this paper, which provides fundamental support for safety source management practices and the improvement of enterprise safety production systems. The Analytic Hierarchy Process...

An energy-saving strategy for edge data center clusters driven by deep learning and real-time load forecasting

To address energy-saving optimization in edge data center clusters under high-density cabinet deployment, dynamic workload fluctuations, and increasingly strict energy-efficiency constraints, this paper proposes a collaborative energy-saving strategy driven by deep learning and r...

Anomaly Detection and Data Repair for Smart Meter Data in Smart Cities: A Comprehensive Review and Future Perspectives

Smart meters are the core terminals for distribution network data acquisition in smart cities, yet their collected data commonly suffer from quality issues caused by harsh operating environments, communication failures, hardware degradation, and human factors. This paper presents...

Research on Differential Protection Strategy of Transformer Under Extreme Geomagnetically Induced Current

Geomagnetically induced current (GIC) flowing through power transformers causes core saturation, leading to local hot-spot overheating, abnormal vibration, increased noise, and even irreversible transformer damage and forced outage. To prevent catastrophic GIC-induced failures, r...

Dynamic Response Analysis of IEA 15 MW FOWT Under Extreme Focused Wave–Wind Conditions Based on Multi-Region Coupled Method

This study employs a multi-region coupled method to investigate the motion responses and aerodynamic load variations of the IEA 15 MW semi-submersible floating wind turbine (FOWT) under extreme focused wave conditions. The methodology employs the self-developed MRFoam solver with...

Low‐Carbon Optimal Dispatch Strategy Incorporating Attention‐Based Dynamic Carbon Emission Factors of Thermal Power Units

Traditional scheduling methods fail to accurately capture the dynamic carbon emission characteristics of thermal power units across different operating stages, leading to inefficient unit selection, increased emissions, and higher operating costs. To address these challenges unde...

Integration of digital twin technologies in smart grid substations

Abstract In the era of Industry 5.0, digital transformation of smart grid substations is crucial to address growing demands for efficiency and reliability. However, conventional substations lack real-time monitoring. Fault detection takes a long time, and predictive maintenance i...

Correlation-Aware Scenario Reduction for Wind-Power and Load Uncertainties via Density Denoising and Temporally Ordered Clustering

The increasing penetration of wind-power introduces pronounced uncertainty and variability into modern renewable energy systems, while electric load exhibits strong temporal continuity and seasonal evolution. Directly using full-year chronological wind–load data in planning or op...

A Comprehensive Review of Multi-Modal Data Fusion-Driven Systematic Knowledge Construction Technologies for HVDC Operation and Maintenance

Large-scale UHVDC and flexible DC projects accumulate scattered multi-modal O&M data across independent platforms, fragmenting domain knowledge and reducing the efficiency of intelligent fault diagnosis and disposal. Unstructured data typically account for more than 70% of co...