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A direct power feedback method of a dual PWM three-level voltage source converter system

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3 Author(s)
Lixiang Wei ; Tsinghua Univ., Beijing, China ; Fahai Li ; Chongjian Li

In this paper, an equivalent circuit of a three-level converter is proposed. By applying this equivalent circuit into a dual-PWM three-level converter system, a new direct power feedback method is obtained. Compared to the conventional control method, the direct power feedback scheme has the following merits: fast dynamic response from the rectifier to the inverter, DC voltage is more stable under dynamic state. Simulation results verified the feasibility and usefulness of this new control method

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Power Electronics Specialists Conference, 1999. PESC 99. 30th Annual IEEE  (Volume:2 )

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