Sources Sought NAICS 335311

INTRODUCTION Battelle Energy Alliance, LLC (BEA) Management & Operating Contractor of the U.S. Department of Energy (DOE) owned Idaho National Laboratory (INL), is seeking an Expression of Interest (EOI) from industry providers to provide information regarding solutions aimed at increasing the seismic resilience of large power transformers. BACKGROUND The flexibility and density of massive power transformer tanks can cause them to act as a vibration amplifier for equipment mounted on them. During an earthquake, the transformer tank and mounted bushings can be in resonance, increasing the shaking in the bushing beyond its design levels and resulting in bushing failure. As seen in past earthquakes around the world, this seismic vulnerability can concurrently damage many transformers and cause cascading failures on the grid. INL is currently working to address this vulnerability by developing a low-cost retrofittable bushing decoupler system. The system will be designed with modern materials, mounted at the bushing base, and can be tuned to any bushing-transformer combination to avoid resonance. As a part of this effort, INL is performing large-scale shake table testing of a fully dre...

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