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CPES researchers have invented a new circuit topology that eliminates shoot-through failures, one of the most dangerous failure modes encountered in conventional inverter circuits. Shoot-through failures occur when two series semiconductor switches are inadvertently turned on simultaneously, causing the flow of extremely high currents that destroy the device.
The new CPES augmented phase-leg configuration (APLC) is inherently immune to shoot-through faults, eliminating the need to add special protection features required in conventional inverter circuits. The APLC improves the reliability and performance of dc-to-ac power converters (inverters).
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