Deadbeat control of a three-phase T-type inverter with output LC filter for UPS applications

Bayhan, Sertec and Komurcugil, Hasan and Bayram, I. Safak; (2021) Deadbeat control of a three-phase T-type inverter with output LC filter for UPS applications. In: Proceedings of 2021 IEEE 30th International Symposium on Industrial Electronics, ISIE 2021. IEEE International Symposium on Industrial Electronics . IEEE, New York, NY. ISBN 9781728190235 (

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In this paper, a deadbeat control technique is presented for a three-phase three-level T-type inverter with an output LC filter for the uninterruptible power supply (UPS) applications. The deadbeat controller is an attractive control solution for many applications where the fast transient response is required. The main idea behind the deadbeat control is to drive the system from any arbitrary initial state to a desired final state infinite number of time steps. Computer simulations investigate the performance of the proposed deadbeat technique for the T-type inverter. It is shown that the output voltage amplitude and frequency are kept constant under various load types, including linear and nonlinear loads. Furthermore, the total harmonic distortion of the output voltage is within the international standards.