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Hardening the grid: Research team focuses on quake proofing transformer bushings

IDAHO FALLS – Keeping the nation’s lights on is no small job. The grid we take for granted involves large, expensive equipment, most notably power transformers. If one goes down, it can take more than ...
Medicine Buffalo

Seismic Protection of Electrical Transformer Bushing Systems by Stiffening Techniques

Keywords: High voltage bushing structures. Seismic performance. Stiffening techniques. Vulnerability. Damage mitigation. Numerical simulations. Shaking table tests ...
T&D

Condition Monitoring of Aging Transformers

A typical Hydro-Québec substation showing only one of the installed grid transformers. Hydro-Québec has more than 2,000 grid and GSU transformers with an average age of more than 30 years in operation ...
T&D

High-Voltage Transformer Bushing Assessment Is Critical

Why is understanding high-voltage oil-filled transformer bushings so critical? High-voltage power transformers are an essential component of our nation's electric grid infrastructure. Bushings are the ...
Medicine Buffalo

Modeling and Seismic Performance Evaluation of High Voltage Transformers and Bushings

Keywords: Seismic performance evaluations. High voltage transformers. Bushings. Simplified models. Lifelines. Boundary conditions. Dynamic behaviors. Global ...