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FPGA-Based Real-Time Emulation of Power Electronic Systems With Detailed Representation of Device Characteristics

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2 Author(s)
Aung Myaing ; Dept. of Electr. & Comput. Eng., Univ. of Alberta, Edmonton, AB, Canada ; Dinavahi, V.

This paper presents a field-programmable gate array (FPGA)-based real-time digital simulator for power electronic apparatus based on a realistic device-level behavioral model. A three-level 12-pulse voltage source converter (VSC)-fed induction machine drive is implemented on the FPGA. The VSC model is computed at a fixed time step of 12.5 ns, allowing a realistic representation of insulated-gate bipolar transistor (IGBT) nonlinear switching characteristics and power losses. The simulator also models a squirrel-cage induction machine, a direct field-oriented control system, and a pulsewidth modulator to achieve the real-time simulation of the complete drive system. All the models have been implemented using very high speed integrated circuit hardware description language (VHDL). Real-time simulation results have been validated using the measured device-level IGBT characteristics.

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Industrial Electronics, IEEE Transactions on  (Volume:58 ,  Issue: 1 )