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Multi-MW wind power converters are widely applied in wind power field. Converters are paralleled to expand converter's capacity. Due to the wind power fluctuation, IGBT's power handling ability together with its drive power is fluctuating largely and rapidly, which will cause a large temperature variation, affecting the reliability and lifetime of power semiconductors. In this paper, the thermal smooth...
Offshore wind power converter is usually packed in a closed cabinet equipped with water cooling to meet the moisture and salt spray prevention requirements. When a sudden dip of wind speed happens, the generated power will reduce significantly, making power semiconductor device and cooling water's temperature reduced quickly. While the air temperature inside cabinet decreases slowly. Thus, the water-cooling...
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