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A five-level power factor correction topology with fault-diagnosis and fault-tolerant capabilities is proposed and analyzed. This structure is derived from the well-known three-level one-pole double-boost including double-stacked redundant and low-storage-energy flying capacitor cells. Two fault-diagnosis strategies are presented. The first one directly operates the monitoring of the voltages across...
A new 5-level PFC topology with fault-diagnosis and fault-tolerant capability is proposed and compared to known structures. It is derived from a 3-level non differential double-boost PFC including 2-stacked fly-cap cells. The series-connection of the two low-voltage switching-cells is decoupled by a single flying capacitor that provides a failed-safe tolerant capability increasing the availability...
A new 5-level reconfigurable PFC topology with low energy short-failure capability and fast fault-diagnosis is proposed. It includes a 2-stacked low energy 3-level Fly-Cap Boost through two input low frequency rectifiers. 600V–30kHz devices in series pear stack allow one short-fault for transistor and up to two short-faults for diodes. Firstly, authors shows for the first time the low ageing drift...
A 5-level PFC topology with fault-diagnostic and fault-tolerant capability is proposed and compared to known structures. It is derived from a 3-level non differential double-boost PFC including fly-cap cells. The series-connection of the two low-voltage switching-cells is decoupled by a single flying capacitor that provides a direct fault-tolerant capability and a post-failure operation increasing...
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