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Earlier sources: Grid
This energy thread follows grid through original research, public projects, and source reports. Read the evidence below to see which developments are represented in SYMTRI’s archive.
SYMTRI organizes observations from public sources into a living map. Connections reflect shared subject matter; they do not establish causation or endorse a source.
Open in the map ↗19 classified signals in the fourteen-day window. These counts include signals awaiting readable evidence.
Earlier sources
Up to ten sources with readable evidence, ordered by their feed timestamp. These archive sources can be older than the live fourteen-day window. This list is a sample, not a measure of total activity. Dates distinguish paper publication, repository creation, model/dataset activity, Hacker News posts, and KEV catalog additions. “First archived” records when SYMTRI first stored the signal.
- OpenAlex · Published · First archived
Instability-Aware Digital Twin Control for Grid-Constrained Low-Carbon Smart Ports ↗
Modern smart ports combine terminal electrification, shore power, renewable generation, storage, and digital operational control under uncertain vessel traffic and time-varying grid limits. This study develops a simulation-based digital-twin control prototype that synchronizes vessel flow, berth occupancy, equipment activity, shore-power demand, renewable supply, battery state, grid import, and modelled emissions. A policy-weighted Instability Propagation Index (IPI) classifies lower-stress, critical-transition, and instability-dominated operating regimes and is embedded in an NSGA-II rolling-…
- OpenAlex · Published · First archived
Neutral current redistribution and differentiated dc bias protection of multiple main transformers in one substation via a refined metro–grid coupling model ↗
Significant differences in neutral currents exist among different grounded main transformers within the same substation. Simplifying the substation as a single conductor fails to resolve the internal distribution of metro-induced stray current, thereby masking potential DC bias risks. To prevent such failures, a refined metro–power system coupling model that considers multiple main transformers is established using actual parameters of the metro system, power grid, and local soil. The model accurately calculates neutral current of different interconnected transformers, enabling early identific…
- OpenAlex · Published · First archived
Predictive modeling of urban residential power consumption: an explainable AI approach to the Kenyan prepaid grid ↗
Accurate electricity demand forecasting is important for utility planning and energy management, particularly in rapidly urbanizing regions where prepaid metering plays an increasingly important role in residential electricity service delivery. Because prepaid residential demand exhibits strong temporal persistence and distinct behavioural characteristics, forecasting approaches developed in other electricity-market settings may not transfer directly. This study develops an explainable forecasting framework for the Kenyan prepaid electricity sector to assess whether machine-learning complexity…
- OpenAlex · Published · First archived
An active recommendation algorithm for trade union rights and interests services in power grid enterprises based on knowledge graphs and dynamic user personas ↗
Proactive recommendation of trade union rights and interests services is essential for improving service precision and responsiveness in power grid enterprises. Existing service models often rely on manual processing or static rule matching and therefore have limited capacity to capture employees' changing needs across job roles, policy contexts, and service scenarios. To address this limitation, this study proposes an active recommendation algorithm that integrates a domain knowledge graph with dynamic user personas. The framework constructs the knowledge graph through enhanced entity recogni…
- OpenAlex · Published · First archived
Parameter Estimation and Physics-Structured Model Compression of Grid-Connected Inverter Systems ↗
The growing deployment of renewable energy systems calls for accurate parameter estimation and compact modeling of grid-connected inverter systems (GCISs). This paper presents a framework for parameter estimation and physics-structured model compression using Physics-Structured-Informed Neural Networks (Ψ-NNs). A teacher physics-informed neural network (PINN) estimates LC-filter parameters by combining measurements with governing equations. A regularized student learns the teacher mapping through physics-informed distillation. Hierarchical clustering identifies shared weight magnitudes, enabli…
- OpenAlex · Published · First archived
Time-synchronization-based constant-frequency grid-forming technology for power electronics-dominated systems ↗
With rising penetration of distributed energy resources, power systems are becoming increasingly power electronics-dominated. Constant-frequency control ensures a fixed system frequency and mitigates frequency instability risks, but existing schemes cannot intuitively and flexibly set the droop reference operating point, with a relatively complex overall control structure, and the system lacks the capability of accurate active power flow regulation. To solve these issues, this paper proposes a time-synchronization-based constant-frequency grid-forming control framework for low-voltage DER-inte…
- OpenAlex · Published · First archived
An energy management framework for a PV-BESS supported grid-integrated LCC-S wireless EV charging system ↗
This paper presents an intelligent energy management strategy (EMS) for a PV–BESS–Grid integrated dual electric vehicle (EV) charging system. To ensure optimal power sharing between PV, BESS, grid and EV loads, the proposed framework integrates an ANFIS-PI based maximum power point tracking (MPPT) controller, grid current regulation, and a rule-based EMS. To support efficient constant-current and constant-voltage charging, a dual-sided LCC-S compensated wireless power transfer topology is used. Under different solar irradiance, load demand, and battery SoC conditions, the EMS stabilizes DC-lin…
- OpenAlex · Published · First archived
Resilience of centralized and distributed energy systems to grid outage in winter: a district-scale assessment in Colorado, USA ↗
This study evaluates the thermal resilience of a district composed of seventeen buildings located in Colorado (USA) during a 36-hour winter power outage. The thermal performance of each building was simulated using EnergyPlus combined with MATLAB®. Three winter scenarios were investigated. The first corresponds to a baseline case where power comes from the grid. The second considers a decentralized photovoltaic (PV) system operating with and without storage. Finally, the third scenario evaluates a centralized district-level configuration based on shared PV generation, with and without storage.…
- OpenAlex · Published · First archived
Synthetic false data injection-inspired perturbation framework for power grid attack detection using graph neural networks and deep learning models ↗
Abstract Modern power grids are exposed to False Data Injection (FDI) attacks due to their increasing dependency on digital sensing and measurement infrastructure. The adversaries deliberately manipulate sensor data for compromising control, system monitoring, and overall grid stability. Undetected attacks trigger cascading failures and severe economic disruption and bring challenges for developing a robust, data-driven detection framework for safeguarding critical energy infrastructure. The present study undertakes this challenge by introducing a structured, coordinated, feature-group-based s…
- OpenAlex · Published · First archived
Twin perturbation parameter based flexible power point tracking technique for grid-connected PV systems ↗
Abstract Photovoltaic (PV) systems are fundamentally designed in two main configurations: standalone and grid-tied architectures. Although Maximum Power Point Tracking (MPPT) is commonly implemented to optimize energy extraction from photovoltaic systems, it may jeopardize grid stability in the event of voltage or frequency fluctuations by compelling maximum power injection. To tackle this challenge, Flexible Power Point Tracking (FPPT) has surfaced as a viable solution that improves grid stability in grid-connected PV systems. This research introduces an efficient FPPT algorithm that is optim…
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How to assess evidence about Grid
Check each original source for its methods, release status, limitations, and supporting data. A repository announcement, a preprint, and a published study provide different kinds of evidence. SYMTRI’s subject classification helps discovery; it does not independently validate the source’s claims.
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