文档介绍:2012/2013 ISO Reliability Assessment - Final Study Results
Study Area: PG&E Central Valley Stockton - Summer Peak
Thermal Overloads
Category Loading (%)
ID Overloaded Facility Worst Contingency Category Potential Mitigation Solutions
Description 2014 2017 2022
Stoc-T-1 Weber - Mormon Jct 60 kV Line Normal A N-0 89% 93% 103% Rerate
Overload due to automatic pick-up of
radially served load. Potential
Stoc-T-2 Lockeford No. 1 60 kV Line Hammer - Country Club 60 kV Line B N-1 158% 165% 178%
mitigation is to disable automatic pick-
up scheme.
Overload due to automatic pick-up of
radially served load. Potential
Stoc-T-3 Vally Springs No. 1 60 kV Line Weber - Mormon Jct 60 kV Line B N-1 118% 124% 137%
mitigation is to disable automatic pick-
up scheme.
Stoc-T-4 Kasson - Louise 60 kV Line BUS FAULT AT 33528 KASSON C1 Bus 113% 117% 124% Upgrade Kasson 115 kV bus.
Stoc-T-5 Manteca - Louise 60 kV Line BUS FAULT AT 33528 KASSON C1 Bus 151% 155% 163% Upgrade Kasson 115 kV bus.
Stoc-T-6 Manteca 115/60 kV Transformer No. 3 BUS FAULT AT 33528 KASSON C1 Bus 191% 198% 209% Upgrade Kasson 115 kV bus.
BUS FAULT AT 30624 TESLA E
Stoc-T-7 Tesla - Weber 230 kV Line C1 Bus 84% 93% 106% Replace ponent.
Bus 2
TESLA E 230 kV Bus 2 and TESLA D 230 kV
Stoc-T-8 Tesla - Weber 230 kV Line C2 Stuck Bkr 85% 94% 107% Replace ponent.
Bus 2 - CB 822 Failure
Bellota-Riverbank-Melones 115 kV BELLOTA 230 kV Bus 1 and Bus 2 - CB 200 Add sectionalizing breaker at Bellota
Stoc-T-9 C2 Stuck Bkr 94% 102% 114%
Line Failure 230 kV bus
Schulte - Kasson - Manteca 115 kV
Stoc-T-10 Kasson - Louise 60 kV Line C3 N-1-1 80% 87% 101% Rerate.
Line_Manteca - Vierra 115 kV Line
Lockeford - Lodi 60 kV Line No. 2 _Lodi -
Stoc-T-11 Lockeford - Industrial 60 kV Line C3 N-1-1 140% 145% 150%
Industrial 60 kV Line Lodi area reinforcement.
Lockeford - Lodi 60 kV Line No. 2 _Lockeford
Stoc-T-12 Lockeford - Lodi 60 kV Line N