Semi-supervised surface defect detection of wind turbine blades with YOLOv4
June 2024
Timely inspection of defects on the surfaces of wind turbine blades can effectively prevent unpredictable accidents. To this end, this study proposes a semi-supervised object-detection network based...
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A method for cleaning wind power anomaly data by combining image processing with community detection algorithms
June 2024
Current methodologies for cleaning wind power anomaly data exhibit limited capabilities in identifying abnormal data within extensive datasets and struggle to accommodate the considerable variability...
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Online identification and extraction method of regional large-scale adjustable load-aggregation characteristics
June 2024
This article introduces the concept of load aggregation, which involves a comprehensive analysis of loads to acquire their external characteristics for the purpose of modeling and analyzing power systems....
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Novel cyber-physical collaborative detection and localization method against dynamic load altering attacks in smart energy grids
June 2024
Owing to the integration of energy digitization and artificial intelligence technology, smart energy grids can realize the stable, efficient and clean operation of power systems. However, the emergence...
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Prediction and scheduling of multi-energy microgrid based on BiGRU self-attention mechanism and LQPSO
June 2024
To predict renewable energy sources such as solar power in microgrids more accurately, a hybrid power prediction method is presented in this paper. First, the self-attention mechanism is introduced...
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Optimizing wind farm layout for enhanced electricity extraction using a new hybrid PSO-ANN method
June 2024
With the growing need for renewable energy, wind farms are playing an important role in generating clean power from wind resources. The best wind turbine architecture in a wind farm has a major influence...
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Optimal decision-making method for equipment maintenance to enhance the resilience of power digital twin system under extreme disaster
June 2024
Digital twins and the physical assets of electric power systems face the potential risk of data loss and monitoring failures owing to catastrophic events, causing surveillance and energy loss. This...
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Research on high energy efficiency and low bit-width floating-point type data for abnormal object detection of transmission lines
June 2024
Achieving a balance between accuracy and efficiency in target detection applications is an important research topic. To detect abnormal targets on power transmission lines at the power edge, this paper...
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Primary frequency control considering communication delay for grid-connected offshore wind power systems
June 2024
Offshore wind farms are becoming increasingly distant from onshore centralized control centers, and the communication delays between them inevitably introduce time delays in the measurement signal of...
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Synergetic optimization operation method for distribution network based on SOP and PV
April 2024
The integration of distributed generation brings in new challenges for the operation of distribution networks, including out-of-limit voltage and power flow control. Soft open points (SOP) are new power...
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GRU-integrated constrained soft actor-critic learning enabled fully distributed scheduling strategy for residential virtual power plant
April 2024
In this study, a novel residential virtual power plant (RVPP) scheduling method that leverages a gate recurrent unit (GRU)-integrated deep reinforcement learning (DRL) algorithm is proposed. In the...
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Price prediction of power transformer materials based on CEEMD and GRU
April 2024
The rapid growth of the Chinese economy has fueled the expansion of power grids. Power transformers are key equipment in power grid projects, and their price changes have a significant impact on cost...
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Research on the longitudinal protection of a through-type cophase traction direct power supply system based on the empirical wavelet transform
April 2024
This paper proposes a longitudinal protection scheme utilizing empirical wavelet transform (EWT) for a through- type cophase traction direct power supply system, where both sides of a traction network...
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Control method based on DRFNN sliding mode for multifunctional flexible multistate switch
April 2024
To address the low accuracy and stability when applying classical control theory in distribution networks with distributed generation, a control method involving flexible multistate switches (FMSs)...
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Analysis of multiple-faults of high-voltage circuit breakers based on non-negative matrix decomposition
April 2024
High-voltage circuit breakers are the core equipment in power networks, and to a certain extent, are related to the safe and reliable operation of power systems. However, their core components are prone...
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Power equipment vibration visualization using intelligent sensing method based on event-sensing principle
April 2024
Vibration measurements can be used to evaluate the operation status of power equipment and are widely applied in equipment quality inspection and fault identification. Event-sensing technology can sense...
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Generalized load graphical forecasting method based on modal decomposition
April 2024
In a “low-carbon” context, the power load is affected by the coupling of multiple factors, which gradually evolves from the traditional “pure load” to the generalized load with the dual characteristics...
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Carbon efficiency evaluation method for urban energy system with multiple energy complementary
April 2024
Urban energy systems (UESs) play a pivotal role in the consumption of clean energy and the promotion of energy cascade utilization. In the context of the construction and operation strategy of UESs...
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High-sensitive state perception method for inverter-fed machine turn insulation based on FrFT-Mel
April 2024
Amidst the swift advancement of new power systems and electric vehicles, inverter-fed machines have progressively materialized as a pivotal apparatus for efficient energy conversion. Stator winding...
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Optimal scheduling of a township integrated-energy system using the adjustable heat-electricity ratio model
February 2024
With the expansion and implementation of rural revitalization strategies, there is a constant need for new energy sources for the construction of new townships. Consequently, integrated energy systems...
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Optimal dispatching strategy for residential demand response considering load participation
February 2024
To facilitate the coordinated and large-scale participation of residential flexible loads in demand response (DR), a load aggregator (LA) can integrate these loads for scheduling. In this study, a residential...
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Optimal operation of Internet Data Center with PV and energy storage type of UPS clusters
February 2024
With the development of green data centers, a large number of Uninterruptible Power Supply (UPS) resources in Internet Data Center (IDC) are becoming idle assets owing to their low utilization rate....
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Multi-source heterogeneous data access management framework and key technologies for electric power Internet of Things
February 2024
The power Internet of Things (IoT) is a significant trend in technology and a requirement for national strategic development. With the deepening digital transformation of the power grid, China’s power...
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Robust optimal dispatch strategy of integrated energy system considering CHP-P2G-CCS
February 2024
Integrated energy systems (IESs) can improve energy efficiency and reduce carbon emissions, essential for achieving peak carbon emissions and carbon neutrality. This study investigated the characteristics...
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A digital twin model-based approach to cost optimization of residential community microgrids
February 2024
This paper presents a peer-to-peer community cost optimization approach based on a single-prosumer energy management system. Its objective is to optimize energy costs for prosumers in the community...
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