August 18 th 2011 OIL LOAD SERVING STUDY AREA WILLISTON LOAD POCKET ASSUMPTIONS MCDC LIMITED TO 100MW EW MDU PEAKERS OFF LEWIS amp CLARK GEN ON WIND OFF CULBERSTON OFF BUT AVAILABLE FOR PRIOR OUTAGES ID: 559324
Download Presentation The PPT/PDF document "Oil Load Serving Study Update" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Slide1
Oil Load Serving Study Update
August 18
th
, 2011Slide2
OIL LOAD SERVING STUDY AREASlide3Slide4
WILLISTON LOAD POCKETSlide5Slide6
ASSUMPTIONS
MCDC LIMITED TO 100MW E-W
MDU PEAKERS OFF
LEWIS & CLARK GEN ONWIND OFFCULBERSTON OFF BUT AVAILABLE FOR PRIOR OUTAGESFORT PECK GENERATION = 35MW, MAX ~135MWWINTER PEAK LOADSSlide7
CHALLENGES
VOLTAGE STABILITY
LOW VOLTAGE, POWER QUALITY, POOR “PROFILE”
REGIONAL LOAD INCREASES115KV LINE OVERLOADSMAINLY FEEDING WILLISTON POCKETSlide8
EXAMPLE VOLTAGE STABILITY “PV” CURVESlide9
Charlie Creek
EXISTING SYSTEM
Charlie Creek-Williston at 115kV
345kV Line
230kV Line
115kV
LineSlide10
Existing System Limit Until July 2012
BASELINE FORECASTSlide11
July 2012
Charlie Creek-Williston at 230kVSlide12
CAPCITOR ADDITIONS
Location
Total Size
Notes:
Dickinson 115
30 MVAR
Per the Keystone XL initial load requirement.
2 x 15MVAR for switching
Logan 115
30MVAR
2 x 15 MVAR
Blaisdel 115
30 MVAR
2 x 15 MVAR
Dunning 115
20 MVAR
2 x 10MVAR
Kenniston 115
12 MVAR
2 x 6 MVAR
Watford City 115
30 MVAR
2 x 15MVAR for switching
State Line 115
15 MVAR
1 x 15 MVAR
SW Minot 115
10 MVAR
1 x 10MVARSlide13
Williston-CCR 230
& Cap Additions
BASELINE FORECASTSlide14
2013
Networked 115kV
Des LacsSlide15
Networked 115kVSlide16
Williston SVC
BASELINE FORECASTSlide17
RUN CULBERTSON PRE-CONTINGENT
BASELINE FORECASTSlide18
ADD 345KV
BASELINE FORECASTSlide19
Prior Outages?Slide20
Williston-CCR 230
& Cap Additions
Networked 115kV
BASELINE FORECASTSlide21
Williston-CCR 230
& Cap Additions
Networked 115kV
BASELINE FORECASTSlide22
Williston-CCR 230
& Cap Additions
Networked 115kV
BASELINE FORECASTSlide23
QUESTIONS?