5 - shamus gamache
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Central LincolnResiliency & Reliability
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Central Lincoln Service Territory in Oregon
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Central Lincoln
• Formed in 1940
• Serving ~40,000 customers
• 120 miles of Oregon coastline
• 700 square miles
• 6 PUD’s in Oregon
• Parts(s) of 4 Oregon Counties
• 4th largest Oregon electric utility
• 270 MW (winter) Peak Load
• 130 employees
• 3
3
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Storm Hardening-Reliability
• Winter Storms
• 120MPH Winds
• Salt Fog –Tracking
• Redundancy: Substations, Transmission, Distribution
• System Hardened Substations
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Northern Operations Center
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A River Runs Through It…
• What’s wrong with this picture?
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SS139-Arcadia
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Resiliency-Earthquakes
• Bolting down Substation Transformers
• Transformer Base Isolation
• Flexible Bus Conductors
• IEEE 693-2018 & IEEE 1527-2006
• Silicon Polymer vs Ceramic Insulators
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Flexible Bus
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Resiliancy –Wildfire prepardness
• #1 Vegetation Management Program
• Wild Fire Protection Relay Settings
• Ductile Iron-Steel Poles
• Vegetation Barrier-Substations + Communication Sites
• S&C Trip Saver 2’s
• Expulsion vs. Non-Expulsion Fuse Cutouts
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Expulsion vs. Non Expulsion
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Current Limiting Fuses –E.L.F.
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Seismic Sensors 16
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Renewable Energy