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【摘要】 单纯的自然通风方式在室外高温气候条件下往往难以满足通风降温的要求,此时,采用自然通风和机械通风联合运行的复合通风方式显得很有必要。通过数值模拟,对机械排风口的合理布置位置和最佳配置方式进行了研究。对在不同运行工况下的自然通风、机械通风工作情况分别进行了研究,并提出了在该运行工况下所应采取的相关措施以保证最佳运行效果。此研究结果可为解决高温气候条件下变压器室通风降温问题提供依据。 【Abstract】 Simplex natural ventilation often can't meet the demand of ventilation to cooling when outdoor environment is in high temper-ature condition,then natural ventilation and mechanical ventilation are adopted necessarily.In this paper,through numerical simulation,rea-sonable layout of ventilation outlet and optimal configuration are researched.Operating conditions of natural ventilation and mechanical venti-lation are investigated respectively in different case,and corresponding measures in that case are presented so as to insure the optimal effect.Above research can provide regulations to solve problem of ventilation to cooling of power transformer room in high temperature condition. 【关键词】 变压器室; 数学模型; 自然通风; 机械通风