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Exploiting the capability of an FPGA, a digital current controller of a single-phase inverter for grid interface is designed and implemented. A proportional and resonant (PR) controller realized in a parallel structure in the FPGA is used to reduce the harmonic current to AC grid. The harmonic compensators based on the PR controller are implemented up to the 19th order. The size of the LCL filter...
In this paper, a motion controller based on a Field Programmable Gate Array (FPGA) with a high performance current regulator is presented. This system contains a processor and a high bandwidth current regulator as a peripheral, and all of these are implemented on a single-chip FPGA. The execution time of the current regulator is less than 200 ns at 100 MHz clock frequency. Thanks to this fast execution,...
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