hvdc & factshvdc & facts conference -...
TRANSCRIPT
HVDC & FACTSHVDC & FACTS Conference
A t 30 & 31 2011August 30 & 31, 2011
Selected EPRI HVDC 2011 Projects
Part I – HVDC Handbook Cost Estimates Chapter 20P t II Lif E t i St d f Okl i HVDCPart II – Life Extension Study for Oklaunion HVDC Converter Station
Part IPart ICOST ESTIMATIONCOST ESTIMATION
CHAPTER 20 CHAPTER 20 HVDC HANDBOOKHVDC HANDBOOKCHAPTER 20 CHAPTER 20 –– HVDC HANDBOOKHVDC HANDBOOK
Dr. Ram Adapa Dr. Ram Adapa -- Electric Power Research Institute, Ruth Johnson Electric Power Research Institute, Ruth Johnson --High Energy Inc & Gene Wolf High Energy Inc & Gene Wolf Lone Lone Wolf Engineering LLCWolf Engineering LLCHigh Energy Inc, & Gene Wolf High Energy Inc, & Gene Wolf -- Lone Lone Wolf Engineering, LLCWolf Engineering, LLC
Courtesy of ABB
So Why HVDC
Courtesy of Alstom Grid
Courtesy of ABB
Typical HVDC Equipment Cost Breakdown
Courtesy of ABB
FOUR PHASES:PHASES OF COST ESTIMATESPHASES OF COST ESTIMATES
Feasibility
• Manufacturer Unknown
• Project Scope Roughly Defined• Project Scope Roughly Defined
• Estimates Very Rough & Incomplete
Commitment
• Manufacturers Identified
• Preliminary Budget Defined
• Project Schedule Completed
Evaluation
• Specification Developed
• Bid Package Out to ManufacturersBid Package Out to Manufacturers
• Contract Awarded
Implementation
• Fine Tune Estimates as Project Progresses
• Controlling Costs
EPRI EPRI 2011 2011 HVDC CONFERENCEHVDC CONFERENCESelected EPRI HVDC 2011 ProjectsSelected EPRI HVDC 2011 Projects
Part IIPart IILIFE LIFE EXTENSION EXTENSION Study For OKLAUNION Study For OKLAUNION LIFE LIFE EXTENSION EXTENSION Study For OKLAUNION Study For OKLAUNION
HVDC CONVERTER STATIONSHVDC CONVERTER STATIONS
Dr Ram Adapa Dr Ram Adapa -- Electric Power Research Institute Ruth Johnson Electric Power Research Institute Ruth Johnson --Dr. Ram Adapa Dr. Ram Adapa -- Electric Power Research Institute, Ruth Johnson Electric Power Research Institute, Ruth Johnson --High Energy Inc , Ben Mehraban High Energy Inc , Ben Mehraban -- American Electric Power, Les American Electric Power, Les Recksiedler Recksiedler -- Manitoba HVDC Research Centre, and Gene Wolf Manitoba HVDC Research Centre, and Gene Wolf -- Lone Lone Wolf Engineering, LLCWolf Engineering, LLC
Oklaunion HVDC Converter Station200MW Back-to-Back
SYSTEMS INVESTIGATEDYARD EQUIPMENT:345 kV Harmonic Filter Banks
C fConverter Transformers
345 kV Oil Filled Reactor Bank
Ancillary Systems
Balance of Plant
CONVERTER EQUIPMENT:Control System
Cooling System
Valve Hall Equipment
Balance of PlantBalance of Plant
GENERAL OBSERVATIONSGENERAL OBSERVATIONS
MOST IMPORTANT ISSUESMOST IMPORTANT ISSUESCONTROL SYSTEMCONTROL SYSTEM1.1. Aging Aging 1.1. Aging Aging 2.2. Intermittent failure modesIntermittent failure modes3.3. Difficult and costly to maintainDifficult and costly to maintainyy4.4. Subjects station to potential Subjects station to potential
unscheduled outagesunscheduled outages5.5. Lack of vendor support Lack of vendor support 6.6. Lack of spare partsLack of spare parts7.7. Replace SystemReplace System
CONCLUSIONCONCLUSIONCONCLUSIONCONCLUSION
““TheThe resultsresults ofof thethe investigationinvestigationTheThe resultsresults ofof thethe investigationinvestigationindicateindicate itit isis moremore costcost effectiveeffective totoextendextend thethe lifelife ofof thethe OklaunionOklaunionHVDCHVDC C tC t St tiSt ti bbHVDCHVDC ConverterConverter StationStation bybyreplacingreplacing majormajor componentscomponents andandsystemssystems asas theythey reachreach thethe endend ofofyy yytheirtheir respectiverespective lifetimeslifetimes ratherratherthanthan installinginstalling aa completecomplete newnew dcdclinklink ofof thethe samesame ratingrating ””linklink ofof thethe samesame ratingrating..
Questions?Questions?