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Real-time simulation is critical for the control and protection strategy of a power system. With the integration of large-scale wind farms into the power system, traditional simulation platform based on the central processing unit (CPU) might be hard to satisfy the requirement of real-time simulation. This paper presents a real-time heterogeneous simulator based on CPU and field-programmable gate array (FPGA). With the trade-off between resource sharing magnitude and time-step of the simulator, the performance of the emulator gains considerable improvement. To reduce the communication latency between FPGA and CPU, the high-speed communication protocol is adopted. Finally, the system supports real-time simulation of up to 740 three-phase nodes with 20 wind-driven generators in the 10 us time step.
Inspec keywords: wind power plants; field programmable gate arrays; microprocessor chips; control engineering computing; protocols; real-time systems; power system protection; power system control; power system simulation
Subjects: Logic and switching circuits; Microprocessors and microcomputers; Power system control; Wind power plants; Protocols; Power system protection; Control of electric power systems; Control engineering computing; Microprocessor chips; Logic circuits; Power engineering computing