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System Planning and the Westwide System Model

System Planning and the Westwide System Model. Technical Studies Subcommittee Presenter: Steve Cobb August 16, 2007. Our Objective. Understand System Planning Needs Relative to the Westwide System Model Project. Topics. Background Model Description Current Status

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System Planning and the Westwide System Model

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  1. System Planning and theWestwide System Model Technical Studies Subcommittee Presenter: Steve Cobb August 16, 2007

  2. Our Objective Understand System Planning Needs Relative to the Westwide System Model Project

  3. Topics • Background • Model Description • Current Status • Westwide System Model Implementation Task Force (WSMITF) • System Planning: Identification of Requirements • Next Steps

  4. Milestones • May 2004 – WECC Staff Approached about WSM Concept • Jun 2004 – WSM Task Force Created • OC Project Presented to OC and PCC • Jan 2005 – RFI Issued • Jan 2006 – RFP Issued • Jun 2006 – AREVA Chosen as Vendor • Nov 2006 – Negotiations Complete • May 2007 – WSMITF Formed • May 2008 – WSMP Delivered

  5. WSMP Design • Two Primary Components • Common Topology Model • Common Source Model “e-terrasource” • Network Applications • Energy Management System

  6. Network Applications • Acquisition and Storage of Observable Data • Via WECC Operations Network/ICCP • State Estimation • Alarming for Real-Time Values and State Estimation • Power Flow, Contingency Analysis, Stability Analysis, Optimum Power Flow

  7. Model Description • Boundary Model Concept • Currently 3 RCs • Will Probably be Expanded to 35 BAs • Shared Model Repository – Single Point of Entry • Naming and Object Identification • Master Identifier and Select Number of Secondary Identifiers (Translational Tables)

  8. Model User Capabilities • Model Will Be Incrementally Importable/Exportable in CIM/XML • WSM Will Export Bus-Branch Oriented Planning Models • GE PSLF & PTI PSS/E • Current WECC Bus Naming Convention Maintained • WSM Will Provide an Editable Graphical View Of Model

  9. Model Management • Modeling through Time • Management of Past, Present and Future Network Model and Studies • Upgrades with Effective Dates Handled as “Project” Increments • Effective User Interface • Tools Include Graphical Editing of Model • Integrated Network Tools • Allows Internal Evaluation of the Impacts of Model Changes

  10. Model Management

  11. Model Management • Work Management and General Administration • Multiple, Independent, Concurrent Work Sessions • Plans and Corrections Developed Under “Project” - Name/Date/Purpose Associated • Incremental Update – Relationship to Projects • Retain the Identity of the Updates as Identifiable Transactional Elements

  12. 2008 2009 2010 2007 System Topology Management Outputs Near Term Planning Case Long Term Planning Case Operations Case Model Corrections Project B Project A Project C Inputs

  13. Model – Current Status • AREVA “Knitting” Together 3 Reliability Coordinator Models • State Estimation and Power Flow will be Run to Validate • Once Process is Developed and Complete, Models will be Updated • WSMP Host Has Been Selected • EDS

  14. Inherent Planning Benefits • Benchmarked Model • Retrieval of Disturbance Data • System Topology • Maintains Bus-Branch Model Using Translational Table • Engineering Units

  15. WSMITF – Model Group • Les Pereira • Milorad Papic • Omar Martino • Joel Ramey • Kent Bolton • Iraja Cecy • Linda Perez

  16. WSMITF - Responsibilities Identify and resolve any potential technical or procedural issues and/or barriers in the WECC member community that may impact the intended utilization of the Westwide System Model Project (WSMP) as the common system model source for the system operations and system planning areas.

  17. WSMITF - Tasks • Identify how WSM deliverables will effect or differ from current planning and operations processes • Develop a timeline and key milestones for developing, validating and deploying the WSM toolkit to prepare SRWG Operating and Planning base cases. Report periodically to OC and PCC on progress and challenges. • Identify tools & processes required to develop & utilize the WSM planning model and network applications model.

  18. WSMITF - Tasks • Work with the WSM vendor to develop templates for planning model changes. • Identify process and additions to the WSMP to facilitate planning cases modeling of facilities 100-kV and lower. • Identify the required EMS displays, alarm functionality, and data management, and make recommendations for improvements if required. • Identify and convey system planning needs to assist the WSM vendor in developing the system planning model in addition to the system operating model.

  19. WSMP – Phased Implementation for System Planning? TBD • Retrieval of Disturbance Data for Post-Disturbance Analysis • Next Year’s Planning Studies • Long-Term Study Horizon Up to 10 Years

  20. Brainstorming • Question: Can Series Capacitors be Modeled Individually? • Yes

  21. Next Steps • Steven.Cobb@SRPnet.com • Kristie.Cocco@SRPnet.com

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