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To accurately assess the reliability level of wind power converter for doubly fed induction generator (DFIG) system, an assessment methodology for power cycling capabilities of insulated gate bipolar transistor (IGBT) modules is investigated for wind power converter. First, power losses and junction temperatures calculation models of IGBT module are presented, the junction temperature calculation...
This paper presents a reliability assessment model for the wind power converter system (WPCS). In this study, the most influential factors of average wind speed and wind turbulence intensity are considered. First, WPCS operation state is partitioned into different phases in terms of different thermal stress levels which are determined by its operation conditions of average wind speed and wind turbulence...
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