hvdc transmission for rural alaska - southeast conference · hvdc transmission for rural alaska...
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![Page 1: HVDC Transmission for Rural Alaska - Southeast Conference · HVDC Transmission for Rural Alaska STAKEHOLDERS’ ADVISORY GROUP SECOND MEETING January 14, 2010 ANCHORAGE, ALASKA Joel](https://reader030.vdocuments.us/reader030/viewer/2022040308/5f0223797e708231d402c32c/html5/thumbnails/1.jpg)
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HVDC Transmission for Rural Alaska
STAKEHOLDERS’ ADVISORY GROUP SECOND MEETING
January 14, 2010ANCHORAGE, ALASKA
Joel D. Groves, P.E.
polarconsult alaska, inc.ENGINEERS - PLANNERS - ENERGY CONSULTANTS
1503 W. 33rd Avenue, Suite 310Anchorage, Alaska(907) [email protected]
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MEETING GOALS
1. PROJECT STATUS UPDATE
2. DISCUSS PHASE III GOALS, SITES
3. FORM SAG WORK GROUPS
4. PROJECT Q & A
5. NEXT MEETING
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Project Status – Highlights
Manitoba International, LTD under contract as specialist HVDC consultant
Operates Nelson River Bipoles, 2 HVDC circuits (3,400 MW) in arctic climate.
Operates HVDC Research Centre, Expertise in HVDC operations, hardware, R&D and testing capabilities
Tasked with technical review, MTDC network assessment, special hardware, cold climate experience, communications, fault detection, and regulatory assistance.
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polarconsult alaska, inc. engineers planners energy consultants
Project Status – Converter
polarconsult alaska, inc. engineers planners energy consultants
1 MW Enclosure (20’x13’)
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Low Voltage CabinetWeight & Dims:63”H x 42”D x 74”L2,300 lbs
Emergency Transport:CASA-212-200
CoolingForced Air
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High Voltage AssemblyWeight & Dims62”H x 36”D x 127”L4,900 lbs (wet)2,100 lbs (dry)
Emergency TransportCASA 212-200
CoolingCoolant is Luminol TR/TRiPour Point -60CFlash Point 170CNatural Oil Convection
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Project Status – Intertie Control
Phase III Demo Controls
Phase III demo will be point-to-point
HVDC power regulation by DC line voltage
Communications desirable for control and fault detection
Communications necessary for load shed
HVDC Vision for Alaska = MTDC Networks
More work is needed to define control schema
Manitoba tasked with developing a roadmap
polarconsult alaska, inc. engineers planners energy consultants
Project Status – Overhead System
Validated conceptual design
Foundation design in progress
Waiting for pricing and product development options from vendors
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Project Status – OH ExampleGVEA Northern Intertie
Commissioned 1968
Guyed lattice, 138 kV
1,000’ – 1,200’ spans
Permafrost soils
Some frost jacking issues
polarconsult alaska, inc. engineers planners energy consultants
Project Status – Submarine Cable Work Plan
Conceptual materials and design of cable done
Soliciting budgetary pricing from manufacturers to design and manufacture cable in commercial quantities
No testing needed in Phase II
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polarconsult alaska, inc. engineers planners energy consultants
Project Status – Buried Cable Work Plan
Unarmored submarine cable is suitable
Existing 1/0 35kV AC cable is suitable
Frost cracking is key issue in arctic soils No proven solution from utility/oil industry
experience. GCI doing some interesting work with telecom cables – same problem
Evaluating test options and developing test plan
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Project Status – Construction and O&M Methods
Identified existing rigs/equip that can be adapted to construct overhead system
Working on O&M methods
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Project Status – Economics
Collecting cost data
Economic analysis will start in Q2 2011
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Phase III Demonstration Project -PROJECT OBJECTIVES
Prove up HVDC Hardware
Prove up innovative technologies
Overhead, overland cable, etc.
Prove functionality of SWER
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Phase III Demonstration Project-PROJECT CRITERIA
Transmission only
Lengths >10 miles
Load < 1 MW
Benefit
Readiness
Constructability
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Phase III Demonstration ProjectCANDIDATE PROJECTS
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FROMDISTRIBUTING ALASKA’S POWERNANA PACIFIC/WH PACIFIC/NANA COLTDECEMBER 2008
polarconsult alaska, inc. engineers planners energy consultants
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polarconsult alaska, inc. engineers planners energy consultants
polarconsult alaska, inc. engineers planners energy consultants
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polarconsult alaska, inc. engineers planners energy consultants
polarconsult alaska, inc. engineers planners energy consultants
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polarconsult alaska, inc. engineers planners energy consultants
polarconsult alaska, inc. engineers planners energy consultants
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polarconsult alaska, inc. engineers planners energy consultants
polarconsult alaska, inc. engineers planners energy consultants
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polarconsult alaska, inc. engineers planners energy consultants
polarconsult alaska, inc. engineers planners energy consultants
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polarconsult alaska, inc. engineers planners energy consultants
QUESTIONS AND COMMENTS
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