A phase-shifting control for variable frequency multi-cells interleaved boost pre-regulator based on FPGA device
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2006-01-01
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IEEE
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In this paper were investigated phase-shift control strategies applied to a four cells interleaved high input-power-factor pre-regulator boost rectifier, operating in critical conduction mode, using a non-dissipative commutation cells and frequency modulation. The digital control has been developed using a hardware description language (VHDL) and implemented using the XC2S200E-SpartanII-E/Xilinx FPGA, performing a true critical conduction operation mode for a generic number of interleaved cells. Experimental results are presented, in order to verify the feasibility and performance of the proposed digital control, through the use of a Xilinx FPGA device.
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2006 IEEE International Symposium on Industrial Electronics, Vols 1-7. New York: IEEE, p. 1432-1435, 2006.