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KMB Power Systems project: Objectives and preliminary results

Petromaks KMB: Electric power systems for subsea processing and transportation of oil and gas. KMB Power Systems project: Objectives and preliminary results. Presentation March 2009. KMB Power Systems. Principal objective:

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KMB Power Systems project: Objectives and preliminary results

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  1. Petromaks KMB:Electric power systems for subsea processing and transportation of oil and gas KMB Power Systems project: Objectives and preliminary results Presentation March 2009

  2. KMB Power Systems • Principal objective: • Establish a national competence centre on design, analysis, verification and safe operation of electric power supply systems for subsea control, processing and transportation systems for oil and gas exploration  Generic project, placing emphasis on basic competence and methodology applicable for simulation and analysis of subsea electric power systems

  3. KMB Power Systems: Project contents • Fundamental issues: • System operation • Component stress • Component interaction Vision: To model and simulate the complete subsea electric power system from topside to seabed installations during normal, overload and fault conditions • Applicability: • Design • Analysis • Verification • Safe operation • Pinpoint inadequate or missing • Analysis tools and methodology • Models •  Develop and/or improve System Components

  4. KMB Power Systems: Some preliminary results • Transformer • Methodology for generating wide band model of transformer applicable for time domain simulations based on transformer measurements • Evaluation of PSCAD transformer model’s applicability for phenomena analysis like inrush current • Power umbilical • - Thermal modelling of cable in air (riser): Accuracy assessment of numerical methods compared to measurements • Accuracy assessment of electrical parameter calculations (R, X @ 50, 100 and 200Hz) by 2D FEM software compared to measurements • Method (software) for generating wide band model for time domain simulation of power umbilical based on geometry and material parameters

  5. KMB Power Systems: Some preliminary results • Matrix Fitting Toolbox (software) developed • Multi-port modeling from admittance (Y-) and scattering (S-) parameters • Advanced methods: Documented in 4 journal papers

  6. KMB Power Systems: Other issues included • Phenomenon studies • Identify phenomena that can interfere with system operation. Mitigation strategies. • Benchmark systems • Define cases suitable for testing the applicability of topologies, components, control schemes etc • Methodology and guidelines • Incorporate and make use of relevant project results in guidelines for design and verification, including evaluation of methodology and relevant existing standards and guidelines • New system concepts • - Demonstrate new or improved solutions for subsea power supply 6

  7. KMB Power Systems: Future activities (new projects) • Generic transformer simulation model • Combining low frequency characteristics and wide-band modelling • Refine methodology for model parameter extraction • Refined power umbilical simulation model • More accurate representation of electrical parameters as well as wide-band modelling • Refine methodology for model parameter extraction 7

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