RD WILLIS PP MAIN GENERATOR STEP TRANSFORMER
Sam Rayburn Power Plant
7696 RR 255 West, Jasper TX 75951
Koontz Electric manufactured an existing 8,900 kVA, 25kV Grd Y / 4,160V Delta Main Generator Step-Up Transformer at R.D. Willis Hydroelectric Facility. The scope of work included disconnection, rigging and movement to truck, and shipment of existing transformer from the R.D. Willis hydroelectric facility to the manufacturing facility. Remanufacturing of the transformer included engineering services to determine remanufacturing requirements, three new low voltage coils, new gaskets, new tank paint, and new external accessories. Reused the bushings and nitrogen regulator. Also included all connections, processing and testing. Return shipment to the R.D. Willis hydroelectric facility, offload, placement, reconnection and testing ready for service.
Initial Mobilization / Completion Date
10/28/2019 - 9/21/2020
US Army Corps of Engineers
Little Rock District
POC: Chris Nelson, COR
Koontz Electric Co., Inc.
PM: James Zimmerman