電力電子設(shè)備熱設(shè)計的分析及應(yīng)用

摘要：針對可再生能源的發(fā)展，風(fēng)機(jī)變流器和并網(wǎng)逆變器的廣泛應(yīng)用，提出了電力電子設(shè)備熱設(shè)計的分析及應(yīng)用，通過各種熱設(shè)計方法使元器件、零部件、設(shè)備等在低于規(guī)定的熱環(huán)境中工作，以提高可靠性。 敘詞：熱特性 熱流密度 安裝熱阻 溫度梯度 熱沉 傳導(dǎo) 對流 熱輻射 Abstract：In view of the development of renewable energy, fan converter and grid inverter are　widely used, bring forward electronic equipment thermal design power of the analysis and application , through a variety of methods of thermal design so that componentspartsequipment and other low in the provisions of the thermal environment in order to improve reliability. Keyword：Thermal properties, Heat flux, Installation of thermal resistance, Temperature gradient, Heat sink, Conduction, Convection, Thermal radiation