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Communication Dans Un Congrès Année : 2010

Fault Diagnosis and PD-PWM Reconfiguration of a 5-Level Double-Boost PFC with Fault-Tolerant Capability

Résumé

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 the availability of converter. The monitoring of the voltages across flying capacitors allows a rapid detection and localization either for open circuit failure or short-circuit failure. A phase-disposition PWM reconfiguration is also used and presented in order to optimize both normal operation and post-fault continuation. The design and the most important features are highlighted thanks to a digital control frame and a mock-up rated to AC115V–DC400V–4kW–2×31kHz.
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Dates et versions

hal-03902865 , version 1 (16-12-2022)

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Thi Thuy Linh Pham, Frédéric Richardeau, Guillaume Gateau. Fault Diagnosis and PD-PWM Reconfiguration of a 5-Level Double-Boost PFC with Fault-Tolerant Capability. IECON 2010: 36th Annual Conference of the IEEE Industrial Electronics Society, Phoenix, USA, 2010, Phoenix, United States. ⟨10.1109/IECON.2010.5675074⟩. ⟨hal-03902865⟩
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