Applying programmable logic controllers to safety-related systems
Conference
·
· Transactions of the American Nuclear Society; (United States)
OSTI ID:6682473
- Northern States Power Co., Welch, MN (United States)
Northern States Power Company (NSP) recently installed programmable logic controllers (PLCs) in two safety-related systems at its Prairie Island nuclear generating plant. The lessons learned during these applications at the 19-yr old two-unit plant may benefit similar projects. Prairie Island responded to the station black out (SBO) issue by upgrading its electrical distribution system. This included installing additional safeguard diesel generators (DGs), new 4160-V buses, and new 480-V buses. As part of this upgrade, PLCs were commercially dedicated for use in two safety-related applications: (1) bus load sequencer project, (2) 480-V voltage regulator project.
- OSTI ID:
- 6682473
- Report Number(s):
- CONF-921102--
- Conference Information:
- Journal Name: Transactions of the American Nuclear Society; (United States) Journal Volume: 66
- Country of Publication:
- United States
- Language:
- English
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