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This paper presents the design and control of a three-phase ground power supply unit for aircraft servicing. A new mixed technology converter composed by a three-phase Silicon Carbide (SiC) full bridge unit and a three-phase full bridge IGBT unit connected across the same dc link is used instead of the conventional full bridge configuration. In order to satisfy the stringent requirements of the output...
In this paper, a four-leg matrix converter is proposed as the power conversion core for aircraft ground power unit (GPU) applications. This structure allows easy management of unbalanced and nonlinear loads with minimal disruption of the power supply operation. A hybrid repetitive-traditional control system is proposed to regulate the output voltage of the GPU. This solution reduces the steady-state...
In this paper a repetitive control approach is proposed to regulate the output voltage of a four-leg matrix converter for an Aircraft Ground Power Supply application. The proposed controller reduces the tracking error and increases the stability of the converter compared to traditional approaches. Simulations and experimental results from a 7.5KW converter prototype are presented to verify the operation...
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