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This paper presents a complete design scheme of the Space Vector PWM (SVPWM) integrated circuit, including dynamic optimization of switch frequency, dynamic modulation with variation DC-link, and linear- and over-modulation strategies. The entire design is implemented and verified on a single Altera FPGA. A new Top-Down design method on FPGA is proposed in this paper. Generally speaking of the design...
The paper presents a reliable method to generate on line pulse width modulation (PWM) signals with selected harmonic elimination (SHE) by using field programmable gate array (FPGA). These signals is used to drive voltage source inverter. Due to the complexity of solving the nonlinear equations, and impossibility to achieve the solution in real time and on line, therefore the solution is obtained off...
In this paper is proposed and analyzed a digital hysteresis modulation using a FPGA (field programmable gate array) device and VHDL (hardware description language), applied at a hybrid three-phase rectifier with almost unitary input power factor, composed by parallel SEPIC controlled single-phase rectifiers connected to each leg of a standard 6-pulses uncontrolled diode rectifier. The digital control...
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