South Cummings 69 kV – 12 kV Substation Upgrade
Project Cost: $15M
Location:
Naval Base
San Diego, CA
Owner:
Department of the Navy
NAVFAC SW
Design of (6) position, 69 kV ring bus, (2)-30/40/60 MVA power transformers, (2)-15 kV reactor system and a 3000 amp Main-tie-Main switch station with (10)- 1200 amp breakers. The project integrates (2) existing 16/24/32 MVA units (fed 69 kV radially) and a similar switch station. This project provided a 12 kV line-up (in an existing building), geotechnical and soils work, fault analysis and current limitation design, full complement of SCADA and protective relaying, transformer differential and paralleling schemes for four transformer. This project integrates a new 12 kV system upgrade into an existing system. |
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