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HPC Modeling of the Power Grid

HPC Modeling of the Power Grid. PNNL: Bruce Palmer, Henry Huang ANL: Shrirang Abhyankar LLNL: Liang Min, Slaven Peles, Steven Smith, and Carol Woodward. GridPACK™ Framework for Power Grid Applications. Simplify development of HPC codes for simulating power grid

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HPC Modeling of the Power Grid

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  1. HPC Modeling of the Power Grid PNNL: Bruce Palmer, Henry Huang ANL: Shrirang Abhyankar LLNL: Liang Min, Slaven Peles, Steven Smith, and Carol Woodward

  2. GridPACK™ Framework for Power Grid Applications Simplify development of HPC codes for simulating power grid Create high level abstractions for common programming motifs in power grid applications Encapsulate high performance math libraries and make these available for power grid simulations Promote reuse of power grid software components in multiple applications to reduce development and maintenance costs Incorporate as much communication and indexing calculations as possible into high level abstractions to reduce application development complexity

  3. GridPACK™ Software Stack Application Driver Application Factory Application Components • Base Factory • Network-wide Operations • Base Network Components • Neighbor Lists • Matrix Elements GridPACK™ Applications GridPACK™ Framework • Import Module • PTI Formats • Dictionary • Network Module • Exchanges • Partitioning • Configure Module • XML • Export Module • Serial IO • PTI Formats Mapper Task Manager • Math Methods • PETSc • SUNDIALS • Utilities • Errors • Profiling Core Data Objects Matrices and Vectors Matrices and Vectors Matrices and Vectors Power Grid Network Power Grid Network Power Grid Network

  4. GridPACK™ Application Stack Integrated Demo Integrated Applications Real-Time Path Rating Contingency Analysis Application Modules PF-Module DS-Module SE-Module PF-Matrix DS-Matrix SE-Matrix Network Components Y-Matrix Components GridPACK™ Framework

  5. ANL - GridPACK • PETSc support in GridPACK • Vector and Matrix Classes • Parallel linear Solvers • Parallel Nonlinear Solvers • Parallel differential-Algebraic Equation Solvers • ANL contribution to GridPACK • PETSc support • Accelerating Power Flow application • Accelerating Dynamics Simulation Application • Developing small-signal stability analysis application (interfacing with SLEPc)

  6. We are adding interfaces to the LLNL SUNDIALS package • We are adding the SUNDIALS integrator for DAE systems, IDA, to GridPACK™ • Error-based time step and order control • Multistep integration with Newton nonlinear solver • Possible extension to IDAS for sensitivities • New DAE integrator allows for longer steps when system dynamics are slow and smaller steps when dynamics are fast • Helping to generalize the DAE integrator API

  7. Websites • GridPACK™ software located at https://www.gridpack.org • SUNDIALS: https://computation.llnl.gov/casc/sundials

  8. Issues for HPC Need open source data sets for large, realistic problems that can be shared publicly Need extensible data formats that can support HPC oriented I/O models (e.g. parallel ingestion from multiple files by multiple processors) Determining the best HPC architectures for power grid simulation (e.g., processor configuration, I/O support) Pipeline for effective use of HPC machine for data analysis

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