New method segments power grids in real time for easier control.
problem Segmenting large-scale power grids for real-time control.
method Guided machine learning approach with Influence Graph and community detection.
result Promising and original interpretable results on various grids.
Novel method improves load estimation in power grids using anomaly and change point detection.
problem Improving load estimation in power grid systems.
method Combining unsupervised anomaly and change point detection methods for automatic filtering.
result Automatic load estimation is accurate with 90% estimates within a 10% error margin.
Proposes a new convolutional neural network for non-grid data.
problem Limited applicability of standard CNNs to non-grid structured data.
method Introduces Parametric Continuous Convolution (PCC) with learnable kernel functions.
result Significant improvement in point cloud segmentation and lidar motion estimation.
DeepGDL models create realistic power grids from confidential data.
problem Creating realistic power grids from confidential data.
method Graph distribution learning (GDL) with a deep nonlinear recurrent structure.
result DeepGDL models accurately create synthetic power grids.
System detects power grid health using AI and machine learning.
problem Detecting and preventing power grid malfunctions.
method Artificial intelligence, machine learning, recurrent neural networks, SVM, LSTM.
result High accuracy in detecting grid health, scalable for complex architectures.
PhI-GPR improves power grid state estimation and forecasting.
problem Accurate state estimation and forecasting in power grids with sparse measurements.
method Physics-informed Gaussian process regression (PhI-GPR) for stochastic differential equations.
result PhI-GPR provides more accurate forecasts and estimates of power grid states compared to ARIMA.
Paper proposes a method to locate power grid recordings using ENF sequences.
problem Locating power grid recordings without concurrent power signals.
method Extract ENF sequences from power and audio recordings, develop multi-class SVM model.
result Validation of location authenticity of recordings using ENF sequences.
Paper reconstructs distribution grid topology from voltage measurements.
problem Tracking changes in distribution grid topology is difficult due to limited real-time monitoring.
method Develops a learning framework using conditional independence tests for continuous random variables.
result Reconstructs radial operational structure of the distribution grid.
Survey of RL methods for optimizing power grid topologies.
problem Optimizing power grid operation with adaptive control strategies.
method Reinforcement Learning (RL) for dynamic and uncertain environments.
result Comprehensive evaluation of RL-based methods for power grid topology optimization.
LEAP nets model power grid disruptions for rapid response.
problem Modeling and predicting power grid disruptions.
method Transfer learning neural network embedding approach.
result LEAP nets can rapidly assess human operators' actions in emergencies.
GP CC-OPF solves uncertain power grid optimization with Gaussian Process.
problem Uncertainty in power grid operations due to high renewables integration.
method Data-driven Gaussian Process regression for solving non-convex CC-OPF problem.
result Effective economic dispatch optimization in uncertain power grids.
New method ranks power grid contingencies for faster security assessment.
problem Maintain high voltage power transmission networks in security.
method Neural network-based ranking of higher order contingencies.
result Residual risk of contingencies decreases dramatically compared to considering only N-1 cases.
This paper bounds errors in data-driven power grid models using Rademacher complexity.
problem Ensuring accuracy of data-driven power grid models under incomplete physical information.
method Rademacher complexity theory for error bounds and evaluation implementation.
result Generalization error bounds for branch flow linearization and external network equivalent models.
In this paper we propose a quadratic programming model that can be used for calculating the term structure of electricity prices while explicitly modeling startup costs of power plants. In contrast to other approaches presented in the literature, we incorporate the startup costs in a mathematically rigorous manner with…
A predictor improves power grid frequency forecasts up to one hour.
problem Improving frequency forecast for better power system stability.
method Developed a weighted-nearest-neighbor (WNN) predictor.
result Forecasts for up to one hour are more precise than averaged daily profiles.
WindDragon forecasts wind power with deep learning.
problem Accurate short-term wind power forecasting is crucial for grid operation.
method Automated Deep Learning combined with Numerical Weather Predictions.
result Automated Deep Learning improves wind power forecasting accuracy.
GraPhyR uses GNNs to optimize power grid reconfiguration in real-time.
problem Optimizing power grid reconfiguration for reliability and efficiency.
method Physics-informed Graph Neural Network (GNN) framework.
result GraPhyR learns to optimize DyR tasks efficiently.
The topology of a power grid affects its dynamic operation and settlement in the electricity market. Real-time topology identification can enable faster control action following an emergency scenario like failure of a line. This article discusses a graphical model framework for topology estimation in bulk power grids (…
Paper tackles RL for power grid topology optimization.
problem Managing large action spaces in growing power networks.
method Hierarchical multi-agent reinforcement learning (MARL) framework.
result MARL framework outperforms single-agent RL methods.
Paper introduces reinforcement learning for managing power grids.
problem Balancing power flows and maintaining grid stability in real-time.
method Reinforcement Learning applied to power network operations.
result Demonstrates feasibility of machine learning in power grid management.
Interactive framework identifies insights in power grid maps.
problem Manual identification of insights in power grid maps is laborious and expertise-dependent.
method Proposes an interactive framework using DenseU-Hierarchical VAE to learn and modulate representations.
result Framework outperforms baseline models in identifying and annotating insights.
System identifies power grid location from media recordings.
problem Identifying the origin of power distribution grid from media recordings.
method Cascaded SVM and pole-matching classifiers for grid identification.
result Cascaded system improves accuracy by 15.57%.
Study uses machine learning to optimize power generation in electrical grids.
problem Optimizing power generation in electrical grids while respecting physical and engineering constraints.
method Two formulations of ACOPF as machine learning problems: direct prediction and constraint prediction.
result Validated machine learning approaches on two benchmark grids.
Statistical depth metrics help identify risky power grid scenarios.
problem Identifying extreme scenarios for risk mitigation in power grid planning.
method Functional depth metrics for sub-selecting outlying scenarios.
result The proposed approach effectively identifies risky scenarios for operational risk mitigation.
Study finds cherry-picking load shaping strategies outperforms others in reducing grid CO2 emissions.
problem Lack of detailed counterfactual data makes it hard to assess load shaping strategies' effectiveness.
method Calibrated granular ERCOT simulations for counterfactual analysis of load shaping strategies.
result LMP-based load shaping outperforms other strategies in reducing grid CO2 emissions.
Paper proposes model to assess financial risk of grid-ignited wildfires.
problem Financial risk and solvency threats from grid-ignited wildfires.
method Integrated model to evaluate damage costs and risk levels.
result Identifies high-risk areas for preemptive actions.
PowRL uses RL to manage power grids robustly, reducing overloads and maintaining power reliability.
problem Managing transient stability and preventing blackouts in power networks with uncertain generation and load demands.
method PowRL leverages a novel heuristic for overload management and RL-guided topology selection to ensure safe and reliable operation.
result PowRL outperforms other agents in L2RPN challenges, demonstrating robust performance in various scenarios.
EGPR method forecasts power grid load and generation with high accuracy.
problem Accurate week-long forecasting of load demand and power generation for efficient power grid operation.
method Gaussian process regression with ensembles of preceding weeks' data.
result EGPR method outperforms traditional methods in forecasting weekly load and generation.
New method uses machine learning to assess power grid risk.
problem Maintaining high voltage power transmission networks in security.
method Combines machine learning (neural networks) with physical simulators.
result Shows neural networks can estimate grid dangerousness effectively.
Due to limited metering infrastructure, distribution grids are currently challenged by observability issues. On the other hand, smart meter data, including local voltage magnitudes and power injections, are communicated to the utility operator from grid buses with renewable generation and demand-response programs. This…
Graph neural networks improve topology control of power grids.
problem Grid congestion due to renewable energy and electrification.
method Investigated the effect of graph representation on GNN effectiveness for topology control.
result Heterogeneous graph representation outperforms homogeneous in topology control tasks.
Paper uses Gaussian processes to solve AC-OPF with renewable uncertainty.
problem Optimizing power grids with fluctuating renewable sources.
method Data-driven approach using Gaussian processes.
result Efficiently solves chance-constrained AC-OPF with uncertainty.
AI model enhances grid monitoring with synchro-waveform tech.
problem Dynamic, stochastic, low-inertia future grids need advanced monitoring.
method AI Foundation Model with synchro-waveform tech.
result Significantly improved fault detection accuracy and speed.
Paper develops a fast method to find near-optimal power solutions.
problem Solving AC OPF on fast timescales for large networks.
method Leverages machine learning to map system loading to optimal generation values.
result Near-optimal and feasible solutions found on milliseconds timescales.
New AI assistant for power grid operators simplifies complex decision-making.
problem Complexity and uncertainty in power grid operations.
method Unified human-machine interface and AI integration.
result Development of a new assistant framework for power grid operators.
Reconstructs power grid dynamics from PMU measurements.
problem Reconstructing dynamic state matrix of power transmission grids.
method Maximum likelihood based convex estimators adapting to prior information.
result Fully data-driven method that works in near real-time.
Paper uses DL and image embedding to classify power grid disturbances.
problem Classifying transient disturbances in power grids.
method Transformed time series data into images using Gramian Angular Field, then applied CNN and RNN for classification.
result DL algorithms outperform traditional data mining methods in power grid disturbance classification.
This paper proposes grid cells encode position via a conformal isometric embedding of 2D physical space.
problem Hexagonal grid firing patterns in grid cells.
method Learning a distance-preserving position embedding in neural space using a recurrent neural network.
result The conformal isometric embedding of 2D physical space into neural space explains hexagonal grid firing patterns.
New method uses μPMU data to identify distribution grid line outages.
problem Limited performance of traditional outage detection methods in urban grids with DERs.
method Data-driven approach based on stochastic time series analysis from μPMU.
result μPMU data enables fast and accurate identification of line outages.
Machine learning helps dispatchers manage power grids more efficiently.
problem Managing power grids with varying demands and complex production systems.
method Developed novel machine learning techniques to mimic human decisions and devise remedial actions.
result The approach successfully prevents power flow limits violations in real-time.
Smart inverters probe grids to infer non-metered loads.
problem Lack of real-time metering in distribution grids.
method Probing inverters to record voltage responses and infer loads.
result Grid probing can infer non-metered loads under certain conditions.
Method segments graphs to estimate network models using power graph fused lasso.
problem Estimating non-parametric network models from noisy data.
method Power graph fused lasso (PGFL) for graph segmentation.
result PGFL achieves optimal error rate for graphon estimation under subGaussian noise.
New AI model improves grid planning efficiency and reliability.
problem Improving distribution grid planning with AI for energy sustainability.
method Hyperstructures Graph Convolutional Neural Networks (Hyper-GCNNs) with attention mechanism.
result Hyper-GCNNs outperforms existing models in computational efficiency and accuracy.
Optimal sampling reduces power grid data analysis costs.
problem Efficient online analysis of high-speed, correlated IoT data.
method D-optimality criterion-based sampling methods combining Bernoulli and leverage score sampling.
result Leverage score sampling improves computational efficiency and outperforms benchmarks.
Locational Marginal Pricing aims to free UK power markets.
problem Unfree and regulated power markets.
method Implementing Locational Marginal Pricing.
result Increased economic freedom, reduced prices, decreased losses, incentivized investment.
Random Forest outperforms other IDS algorithms in smart grids.
problem Security vulnerabilities in smart grids.
method Comparison of four data mining algorithms (Random Forest, SVM, Neural Network, and KNN) in detecting attacks.
result Random Forest outperforms other algorithms in terms of detection accuracy and efficiency.
Machine learning predicts CO2 emissions in power grids, reducing uncertainty.
problem Forecasting CO2 emission intensities in power grids.
method Developed a machine learning algorithm using LASSO, feature selection, and Softmax weighted average.
result Marginal emissions are independent of DK2 zone conditions, suggesting external generators.
Project uses deep learning to improve power grid fault stability.
problem Improving fault stability in power grid systems.
method Deep learning algorithm to model fault detachment stability.
result Deep learning can reduce the probability of system destabilization from 2.5% to 0.