1. Ergon Energy High Temperature
Superconductors (HTS) Preliminary Study No2
11kV Bus Connection of SOTO and CETO
Zone Substations
Anthony Ryan, CU/SD/AM/EE
AMSC-QUT-EE Workshop
Brisbane, December 2012

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Contents
► Aerial View and Existing Network
► General Overview and Proposed 11kV HTS System

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South Toowoomba & Central Toowoomba
Aerial View and Existing 33kV System
Alderley Street
RuthvenStreet/New
EnglandHwy
W
estStreet
SOTO
CETO
HumeStreet
NeilStreet
James Street/Warrego Highway
Public Hospital
Golf Course
Market Place
Herries St
2x33kV OH/UG feeders SOTO-CETO (l~3km)

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General Overview and Proposed 11kV HTS System
110/33kV
37/60MVA
110/33kV
37/60MVA
3 x 33/11kV
10/11.5MVA
SOTO
11kV 40-60 MVA
HTS Cable (l~3km)
110/11kV 110/11kV
CETO
Future
110/11kV
ZSS
Future
110/11kV
PTF
HTS Timing
•Stage 1
•Smax: 40MVA
•T: 2020-2025
•Stage 2
•Smax: 60MVA
•T: 2030-2035