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Repozytorium publikacji
Politechniki Gdańskiej

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A predictive estimation based control strategy for a quasi-resonant dc-link inverter

In this paper the predictive estimation based control strategy for a quasi-resonant dc link inverter (PQRDCLI) is developed. Instead of direct measurement of dc link input inverter current – its estimation with one step prediction is applied. The PQRDCLI fed induction motor, controlled with a predictive current estimation stabilized inverter output voltage slopes independently of load. Moreover, reduction of overvoltage spikes and common mode motor currents was achieved. Obtained results are verified by the Saber system simulation and experimental tests in a laboratory setup.

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