A PID Control Strategy for DC-Link Voltage in Single-Phase Switched Boost Inverter

Authors: Tran Tan Tai, Nguyen Minh Khai*, Nguyen Thi Luong, Le Hieu Giang


This paper presents a PID controller for DC-link voltage in the single-phase switched boost inverter. Unlike the DC-link voltage controller in the Z-source inverter, the presented controller in the switched boost inverter can be directly controlled via the capacitor voltage. By using this controller, a constant capacitor voltage can be achieved when the input voltage or the load are changed suddenly. The proposed technique was verified on a 200-W prototype. Simulation and experimental results are shown to verify the validity of the proposed control strategy


PID controller, single-phase inverter, boost inverter, shoot-through, Z-source inverter
Pages : 20-26

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