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Seamless Contraction-Control Framework for Unplanned Grid-Connected/Stand-Alone Transitions of Grid-Forming Inverters
Announce Type: new Abstract: Unplanned grid-connected (GC)/stand-alone (SA) transitions commonly occur in AC microgrids during protection trips, manual breaker operation, or low-bandwidth supervisory communication. Under such unplanned transitions, a grid-forming inverter must support the local-load voltage in stand-alone operation and regulate the desired power/current injection in grid-connected operation. Existing P--Q droop-based seamless-transfer methods often rely on planned transition...
Learning-Assisted Day-Ahead Energy Scheduling for Frequency-Secure Inverter-Dominated Grids with Grid-Forming Battery Energy Storage Systems
Announce Type: new Abstract: As grid-forming (GFM) battery energy storage systems (BESS) are increasingly deployed to enhance power system inertial response and frequency stability, incorporating their frequency support capabilities into day-ahead energy scheduling (DAES) is essential for achieving both frequency security and operational efficiency. However, accurately determining frequency metrics in grids with coexisting GFM inverters and synchronous generators requires electromagnetic...
Texas grid flags risks as data centers, crypto sites fail voltage tests
Texas grid flags risks as data centers, crypto sites fail voltage tests June 5 : Several large data centers and crypto facilities planning to connect to the Texas power grid ahead of peak summer demand have failed key reliability tests, raising the risk of power outages just as electricity use hits its seasonal high, according to the state grid operator. The rapid expansion of data centers processing vast amounts of data for artificial intelligence and crypto mining is straining power grids...
Instagram finally lets you reorder posts on your grid
Instagram finally lets you reorder posts on your grid Instagram head Adam Mosseri announced the feature a year ago. Instagram has made it easier to pull off that grid design and aesthetic you want to achieve. The Meta-owned app has finally rolled out the ability to rearrange your grid, almost a year after Instagram head Adam Mosseri announced that the feature was coming.
Impedance Modeling and Stability Analysis of Droop-Controlled Inverter Under Unbalanced Power Grid Operating Conditions
Announce Type: new Abstract: With the growing integration of renewable energy sources into power grids, the risks of oscillation caused by interactions between grid-tied inverters and the grids are becoming increasingly prominent. Although existing studies have made significant progress in inverter modeling and oscillatory stability analysis, most of them do not sufficiently consider complex mirror frequency coupling effects (MFCE) under unbalanced operating conditions, leading to unreliable...
Phase Marginalization for Patch-Grid Instability in Vision Transformers
arXiv:2606.08132v1 Announce Type: new Abstract: Vision Transformers operate on fixed patch grids, which can introduce phase-dependent instability for dense prediction: changing the patch partition can change the token evidence available to a pixel, especially near boundaries. We formalize patch-grid phase as a nuisance variable and propose Phase Marginalization, a post-hoc marginalization method that evaluates structured patch-grid phases, inverse-aligns dense outputs, and aggregates them in...
Unions attack ‘year-long delay’ for Tata Steel furnace’s grid connection in south Wales
Government urged to help speed up vital industrial project amid growing alarm over National Grid delaysBusiness live – latest updatesTrade unions have called for the government to intervene to speed up Tata Steel’s connection to the electricity grid in south Wales, after the company said its new furnace would be delayed by up to a year. Tata Steel last month told investors that National Grid had said it would face a six- to eight-month delay. That could stretch to 12 months amid unexpected...
Unions attack ‘year-long delay’ for Tata Steel furnace’s grid connection in south Wales
Government urged to help speed up vital industrial project amid growing alarm over National Grid delaysBusiness live – latest updatesTrade unions have called for the government to intervene to speed up Tata Steel’s connection to the electricity grid in south Wales, after the company said its new furnace would be delayed by up to a year. Tata Steel last month told investors that National Grid had said it would face a six- to eight-month delay. That could stretch to 12 months amid unexpected...
Unions attack ‘year-long delay’ for Tata Steel furnace’s grid connection in south Wales
Government urged to help speed up vital industrial project amid growing alarm over National Grid delaysBusiness live – latest updatesTrade unions have called for the government to intervene to speed up Tata Steel’s connection to the electricity grid in south Wales, after the company said its new furnace would be delayed by up to a year. Tata Steel last month told investors that National Grid had said it would face a six- to eight-month delay. That could stretch to 12 months amid unexpected...
Unions attack ‘year-long delay’ for Tata Steel furnace’s grid connection in south Wales
Government urged to help speed up vital industrial project amid growing alarm over National Grid delaysBusiness live – latest updatesTrade unions have called for the government to intervene to speed up Tata Steel’s connection to the electricity grid in south Wales, after the company said its new furnace would be delayed by up to a year. Tata Steel last month told investors that National Grid had said it would face a six- to eight-month delay. That could stretch to 12 months amid unexpected...