extreme contingency analysis 2006 & 2016 4 th bta presentation
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Extreme Contingency Analysis 2006 & 2016 4 th BTA Presentation. Bob Smith Manager Transmission Planning June 6, 2006. Study Assumptions. Utilize the 2006 heavy summer power flow case and re-run worst outage for 2016 Severity of outage determined by the ability to serve Phoenix load - PowerPoint PPT PresentationTRANSCRIPT
Extreme Contingency Analysis2006 & 20164th BTA Presentation
Bob Smith
Manager Transmission Planning
June 6, 2006
June 6, 2006 4th BTA 2
Study Assumptions Utilize the 2006 heavy summer power flow case and re-
run worst outage for 2016 Severity of outage determined by the ability to serve Phoenix
load Corridors were chosen based upon exposure to forest fires
Cholla-Saguaro and Coronado-Silverking 500kV lines Navajo South 500kV lines Four Corners-Cholla-Pinnacle Peak 345kV lines Glen Canyon-Flagstaff-Pinnacle Peak 345kV lines PV East corridor not studied because there is no forestation
June 6, 2006 4th BTA 3
Study Assumptions Transformer banks studied
Kyrene 500/230kV Browning 500/230kV
Transformer banks not studied Westwing 500/230kV transformers have additional spacing, fire
walls, fire suppression, and oil retention pits Rudd 500/230kV transformer outage is equivalent to outage of
Palo Verde-Rudd 500kV line Pinnacle Peak 345/230kV transformer outage is equivalent to
outages of the 345kV lines into Pinnacle Peak.
June 6, 2006
4th BTA
4
ARIZONA STATE EHV MAP
SELIGMAN
ROUNDVALLEY
POWER PLANT
115KV & ABOVE SUBSTATION (EXISTING)
LEGEND
NORTH
SAGUARO
N.GILA
PALO VERDE-HASSAYAMPA
YUCCA
GILA BEND
TO CALIF.500KV
REDHAWK
JOJOBA
GILA RIVER
RUDD
LIBERTYKYRENE
SANTAROSA
DESERTBASIN
WESTWING
YAVAPAI VERDE
PINNACLE PEAK
PREACHERCANYON
CHOLLA
TO CALIF.
TOCRYSTAL
TO MEAD /MARKETPLACE
MOENKOPI
NAVAJO
FOURCORNERS
TUCSON
5/23/06Transmission Planning
COCONINO
Substation locations and line routings depict an electrical connection only anddo not reflect any assumed physical locations or routing.
CASAGRANDE
TAT MOMOLI
KNOX
GAVILANPEAK
FLAGSTAFF
GLEN CANYON
EXISTING 500 KV LINESEXISTING 345 KV LINESEXISTING 230 KV LINESEXISTING 115 KV LINES
NUCLEAR POWER PLANT
CORONADO
BROWNINGSILVERKING
June 6, 2006
4th BTA
5
ARIZONA STATE EHV MAP
SELIGMAN
ROUNDVALLEY
POWER PLANT
115KV & ABOVE SUBSTATION (EXISTING)
LEGEND
NORTH
SAGUARO
N.GILA
PALO VERDE-HASSAYAMPA
YUCCA
GILA BEND
TO CALIF.500KV
REDHAWK
JOJOBA
GILA RIVER
RUDD
LIBERTYKYRENE
SANTAROSA
DESERTBASIN
WESTWING
YAVAPAI VERDE
PINNACLE PEAK
PREACHERCANYON
CHOLLA
TO CALIF.
TOCRYSTAL
TO MEAD /MARKETPLACE
MOENKOPI
NAVAJO
FOURCORNERS
TUCSON
5/23/06Transmission Planning
COCONINO
Substation locations and line routings depict an electrical connection only anddo not reflect any assumed physical locations or routing.
CASAGRANDE
TAT MOMOLI
KNOX
GAVILANPEAK
FLAGSTAFF
GLEN CANYON
EXISTING 500 KV LINESEXISTING 345 KV LINESEXISTING 230 KV LINESEXISTING 115 KV LINES
NUCLEAR POWER PLANT
CORONADO
BROWNINGSILVERKING
June 6, 2006 4th BTA 6
SUMMARY OF RESULTS (2006) For all outages studied all load can be served &
local Phoenix reserve requirements met Some outages from remote generation would require
redispatching from other available sources Maximum redispatch requirement is ~800MW @ Navajo Generation made up from available AZ and CA units
Some outages would require some system reconfiguration to alleviate overloads
Without system reconfiguration load reduction of up to 200MW is required for outages of corridors into Pinnacle Peak
June 6, 2006 4th BTA 7
SUMMARY OF RESULTS (2016) Outages of the lines coming into Pinnacle
Peak were re-examined For Glen Canyon to Pinnacle Peak outages, Glen
Canyon remote generation needs to be redispatched; independent of Phoenix load
No system reconfiguration required Phoenix local reserve requirement met TS9 to Raceway 500kV line mitigates those
outages
June 6, 2006
4th BTA
8
ARIZONA STATE EHV MAP
SELIGMAN
ROUNDVALLEY
POWER PLANT
115KV & ABOVE SUBSTATION (EXISTING)
LEGEND
NORTH
SAGUARO
N.GILA
PALO VERDE-HASSAYAMPA
YUCCA
GILA BEND
TO CALIF.500KV
REDHAWK
JOJOBA
GILA RIVER
RUDD
LIBERTYKYRENE
SANTAROSA
DESERTBASIN
WESTWING
YAVAPAI VERDE
PINNACLE PEAK
PREACHERCANYON
CHOLLA
TO CALIF.
TOCRYSTAL
TO MEAD /MARKETPLACE
MOENKOPI
NAVAJO
FOURCORNERS
TUCSON
5/23/06Transmission Planning
COCONINO
Substation locations and line routings depict an electrical connection only anddo not reflect any assumed physical locations or routing.
CASAGRANDE
TAT MOMOLI
KNOX
GAVILANPEAK
FLAGSTAFF
GLEN CANYON
EXISTING 500 KV LINESEXISTING 345 KV LINESEXISTING 230 KV LINESEXISTING 115 KV LINES
NUCLEAR POWER PLANT
CORONADO
BROWNINGSILVERKING
RACEWAY
June 6, 2006 4th BTA 9
PHOENIX LOAD DURATION & RMR CONDITION (2006)All Lines In-Service
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
11000
12000
13000
0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000
HOURS
LO
AD
(M
W)
VALLEY LOAD
PEAK = 11,434 MW
569 HOURS
Total Valley Energy = 50,873 GWH
Import = 9,250 MW
397 GWH2,184 MW
LSC = 12,800 MW
June 6, 2006 4th BTA 10
PHOENIX LOAD DURATION & RMR CONDITION (2006)Worst Case outage w/load reduction and generation redispatch
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
11000
12000
13000
0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000
HOURS
LO
AD
(M
W)
VALLEY LOAD
PEAK = 11,434 MW
1,209 HOURS
Total Valley Energy = 50,873 GWH
Import = 8110 MW
1,406 GWH3,200 MW1
LSC = 11,310 MW
1 AF Generation reduced by 405 MW
June 6, 2006 4th BTA 11
PHOENIX LOAD DURATION & RMR CONDITION (2006)Comparison
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
11000
12000
13000
0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000
HOURS
LO
AD
(M
W)
VALLEY LOAD
PEAK = 11,434 MW
640 HOURS
Total Valley Energy = 50,873 GWH
Import = 9,250 MW 1,009 GWH1,140 MW
Import = 8110 MW