FPGA Implementation of Digital Controller for Simple and Maximum Boost Control of Three Phase Z-Source Inverter

This paper presents, a high speed FPGA implementation of fully digital controller for three- phase Z-Source Inverter (ZSI) with two switching strategies include simple boost control and maximum boost control. In this method total of blocks are based on proposed digital circuits only with combinational logic and using pipelining technique. Since it is vital to have a high speed and effective ZSI controller, a novel digital design for pulse width modulation control have been implemented for simple and maximum boost control of the ZSI. The proposed digit controllers have been successfully synthesized and implemented by Quartus II 9.1V and Cyclone II FPGA, to target device EP2C20F484C6. Achieved result demonstrates that the proposed method has features including reconfigurable, low-cost, high speed and also it is very accurate.