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In the field of high-speed electrical drives, the use of SiC MOSFET inverters represents a viable solution since this kind of devices allows an improvement of the converter efficiency. Notwithstanding issues related to the high frequency operation of the SiC MOSFET's, like the failure of the motor winding insulation due to the increased electrical stress and hence a reduced system reliability, are...
Compared to the traditional AC-DC-AC power converter, the matrix converter (MC), as a kind of universal power transformation device, can easily achieve n phase to m phase transformation. The matrix converter can generate controllable sinusoidal output voltage and input current, provide unit input power factor, have no intermediate storage link and energy can be bi-directional transferred with fast...
The unified power quality conditioner (UPQC) is known as an effective compensation device to improve PQ for sensitive end-users. This paper investigates the operation and control of a single-phase three-leg UPQC (TL-UPQC), where a novel space vector modulation method is proposed for naturally solving the coupling problem introduced by the common switching leg. The modulation method is similar to the...
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