Transformer box changes generally placed cabinets, under the summer sun radiation is high transformer room temperature, cooling difficulties. Therefore gb / t17467 standard ly2015.3 quasi makes provisions: the transformer temperature rise inside the housing outside of the housing over the same transformer in the measured temperature difference, the housing should not be greater than the predetermined level value, such as 10k, 20k or 30k, otherwise it must take measures to cool. Measures to prevent solar radiation are: wall around the transformer to add insulation material; take double plywood structure; cover with air cushion or air floor structure insulation materials. Forced ventilation: dl / t537 standards: When natural ventilation can not meet the requirements, should the use of forced air cooling. When forced air cooling, should generally be in the transformer compartment installed capacity of not less than two considerable fan. Forced ventilation measures are basically two: one in the upper air temperature as a fan transformer action setting value; the other is inside the transformer top oil temperature does not exceed 65 c as an action setting value?. Should anti-condensation measures: me change is not fully sealed structure, more prone to condensation inside the box. So Continental me change the high and low pressure chamber should be equipped with proper tidal flooding device (such as temperature condensate way controller, etc.), in order to prevent condensation and the impact of industrial electrical components, insulation and corrosion on metallic materials. Company Website: http: //www.jilinshengye.com