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This paper presents a novel control method for three- phase grid connected inverter with Space Vector PWM. By transforming the three phase time variant system into a two phase time invariant system as known as rotating frame, two separate decoupled control systems can be achieved. Based on conventional PI controller, repetitive control together with grid voltage control is adopted to reduce the harmonics...
In high performance AC drive systems, the large power three-level voltage source inverters equipped with IGCTs are widely used now and have promising future. In this paper, the principle of space vector PWM (SVPWM) for three-level inverter is introduced. Some problems of SVPWM for three-level inverter are discussed. Based on the system simulation, a high power three-level inverter equipped with IGCTs...
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