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The 4th Quarter 2012 VRL report analyzes generation violations affecting various flowgates, including Sundown-Amoco 230kV and Hayes-Vines 115kV. Key issues include limited incremental generation due to two outages in the area and slow responding generation impacting power flow. Additionally, wind directives were delayed, exacerbating flowgate violations. Unexpected line outages further complicated the situation, as was seen with the Sundown-Amoco element. This report provides insight into the critical need for improved generation management and responsiveness.
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4th Quarter 2012VRL Report Gentry Tubbsgtubbs@spp.org
TEMP56_18602 • Monitored Element- Sundown – Amoco 230kV • Contingent Element - Tolk – Yoakum 230kV • Reason for Violating: Limited on Increment generation with 2 outages in the area.
CRAASHVALLYD • Reason for Violating: Slow responding generation south of the flowgate.
TEMP28_18528 • Monitored Element- Hayes – Vines 115 kV • Contingent Element - Postrock – Knoll 230kV • Reason for Violating: Wind directives are required to relieve this flowgate. Directives were issued but there was a delay before action was taken causing the flowgate to violate.
Temp56_18602 • Monitored Element- Sundown – Amoco 230kV • Contingent Element - Tolk – Yoakum 230kV • Reason for Violating: A line was unexpectedly taken out 2 days before outage was planned.
Temp26_18766 • Monitored Element- Butler - Altoona 138kV • Contingent Element - Caney River - Neosho 345k • Reason for violating: No dispatchable generation near the flowgate.