5. FPGA-based control of a synchronous machine
Figure 8 shows the experimental set-up developed to control a wound-rotor MS synchronous machine using an FPGA target as a medium for implementing control algorithms. The FPGA target used is the Spartan 3 XCS400-PQ208 board from Xilinx. This FPGA target contains 400,000 logic gates and includes an internal oscillator delivering a 50 MHz clock frequency. The board's generic FPGA architecture consists of a matrix of 5,376 slices linked together by programmable connections.
Note that a slice is a configurable logic block containing two logic cells of the type shown in figure .
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