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access icon free Multi-FPGA digital hardware design for detailed large-scale real-time electromagnetic transient simulation of power systems

© The Institution of Engineering and Technology
Received 05/07/2012, Accepted 21/12/2012, Revised 09/12/2012, Published

Large-scale electromagnetic transient simulation of power systems in real-time using detailed modelling is computationally very demanding. This study introduces a multi-field programmable gate array (FPGA) hardware design for this purpose. A functional decomposition method is proposed to map FPGA hardware resources to system modelling. This systematic method lends itself to fully pipelined and parallel hardware emulation of individual component models and numerical solvers, while preserving original system characteristics without the need for extraneous components to partition the system. Proof-of-concept is provided in terms of a 3-FPGA and 10-FPGA real-time hardware emulation of a three-phase 42-bus and 420-bus power systems using detailed modelling of various system components and iterative non-linear solution on a 100 MHz FPGA clock. Real-time results are compared with offline simulation results, and conclusions are derived on the performance and scalability of this multi-FPGA hardware design.

Inspec keywords: field programmable gate arrays; power system simulation; iterative methods

Other keywords: detailed large-scale real-time electromagnetic transient simulation; component model; three-phase 42-bus power systems; iterative nonlinear solution; three-phase 420-bus power systems; frequency 100 MHz; 10-FPGA real-time hardware emulation; offline simulation result; FPGA hardware resources; 3-FPGA real-time hardware emulation; FPGA clock; detailed modelling; power systems; fully-pipelined-parallel hardware emulation; system modelling; functional decomposition method; multiFPGA digital hardware design

Subjects: Interpolation and function approximation (numerical analysis); Logic and switching circuits; Power systems; Logic circuits; Interpolation and function approximation (numerical analysis); Power engineering computing

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