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Mochovce Unit 3 & 4 Full-Scope Simulator Project Key Points and Successes

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This presentation highlights the key points and major successes during the project to simulate Mochovce Units 3 & 4. For more information, go to www.gses.com, follow GSE Systems on Twitter @GSESystems, or email info@gses.com. Thanks for viewing.

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Mochovce Unit 3 & 4 Full-Scope Simulator Project Key Points and Successes

  1. 1. Mochovce Unit 3 & 4 Full-Scope Simulator Project Key Points and Successes info@gses.com
  2. 2. 2 Two New Units at Mochovce • Modern power plant consisting of four Soviet VVER 440/V-213: – Units 1 & 2 operated since 1998 and 2000 – Units 3 & 4 to be started up in 2014 and 2015 • Owner: Slovenské elektrárne and Enel • Primarily modern Siemens controls and a modern control room with a traditional plant design.
  3. 3. 3 Project Objective High fidelity full-scope simulator: – All new system models and controls – New control room panels including emergency control room – Siemens and other vendors sub-contractor to GSE – Simulator delivery critical to new plant schedule (critical path) – Plant controls still in development as simulator was being constructed
  4. 4. 4 Simulator Applications The simulator was successfully used for the following purposes: – Verification and validation of the operational and emergency procedures – Verification and testing of the DCS system to identifying control deficiencies to the main project • This has helped the main project schedule and costs significantly! – Training the new operators and preparing them for operating the main unit
  5. 5. 5 3rd Party Integrated Software The simulator integrated many third party new and complex technologies: – Siemens /Areva DCS, BUP, Instrumentation and Control (I&C) (T2000/T3000)-Virtual control with Stimulated interface – Invelt/Skoda Turbine Control System (TCS) – Stimulated – Skoda Reactor Rod Control System (RRCS) – Stimulated – Rolls Royce Ex-core system – Stimulated – SNIIP In-core system – Stimulated – ZAT Electrical Distribution/Synchronization system – ED Stimulated & Sync Simulated – EnergoData Dispatching Center – Stimulated – SafeCo Fire Detection and Protection System – Stimulated
  6. 6. 6 Mochovce 3/4 Simulator Network Layout
  7. 7. 7 Simulator Control Room
  8. 8. 8 Simulator Control Room
  9. 9. 9 Simulator Control Room
  10. 10. 10 Simulation Software Tool Set JADE Modeling Tool Set – JTopmeret: Two Phase Flow Network Modeling – JControl: Functional Block Control Modeling – JLogic: Schematic Logic Modeling – JElectric: Electrical Network Modeling – Theatre: Thermal hydraulics model – Remark: Reactor core neutronics model JADE Instructor Station – JStation: Instructor/Operator Station JADE Graphic User Interface (GUI) – JDesigner: Simulation Drawing Editor – JEditor: Object / Icon Editor SimExec: Multi-User Real-time Executive
  11. 11. 11 Core/TH Implementation Neutronics Model – REMARK • dimensional coarse mesh, two (or four) energy groups, time- dependent, diffusion model – 349 fuel assemblies – 16 axial nodes – Core nodalization size is 349x16 or 5,584 nodes Thermohydraulics Model – Theatre code – 5 equation model with drift flux – Using RELAP5 flow regimes and properties – 350 nodes
  12. 12. 12 JTOPMERET Two phase, 6 equations, multi-component, non-thermal equilibrium model High fidelity modeling tool designed for BOP – Main steam – Feed water – CVCS – Containment, etc. JTOPMERET has been implemented in over 50 full scope simulators. Used to model All BOP fluid systems 12
  13. 13. 13 Model Fidelity and Detail New build plants with Digital I&C and control rooms allow the operator to see much more detail than older analog plants. – Models must have a much more detailed scope of simulation. – Interface allow for trending and alarming of these systems and therefor the fidelity of the models must support. – Older simulators could get by with less model definition as much was hidden from the operator. The value of the simulator as an engineering resource to the construction project means that more fidelity is required. – Predictive models are needed, not “tuned” to match – Virtual and stimulated DCS allow for virtual commissioning and SAE • Need real control algorithms
  14. 14. 14 Project Challenges Plant under construction, build simulator parallel with plant, DCS database availability and changes. • Need to integrate changes and run automated test to validate logic • Many times new logic was not complete or ready for test • Customer relied on GSE team to test new controls for sim and new plant. Integrate the simulator with third party vendors complex and new technologies. • Third party tools • Each had its own issues (IC, communications, displays) – Size and complexity of the project with unique features DCS, BUP and third party systems – Location of the project • The project was performed in three locations: United States, Germany and Slovakia • Created difficulties for providing resources and transportation of the expensive equipment.
  15. 15. 15 Project Result The simulator project was started in March 2009. Schedule was delayed/extended as major change was made to control room design. Successfully completed on time in December 2013 – On-time delivery – On-budget delivery – Customer provided letter of commendation for the team and the simulator.
  16. 16. For more information: Go to: www.GSES.com Call: +1 800.638.7912 Email: info@gses.com Follow us on: Twitter @GSESystems Facebook.com/GSESystems

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