Temperature Rise of Transformers

A transformer temperature rise test was conducted using a temperature rise recorder (JIK-8/16 Temperature Recorder) under room temperature conditions. With a water flow rate of 10L/min, the input active power was 393.23kW, the input reactive power was 305.64kvar, and the input current was 744.6A. The power loss was 8.5kW, resulting in a power conversion efficiency of 97.8%. The temperature rise curves were recorded at an interval of 10 minutes, with the first column indicating the secondary winding temperature rise and the second column indicating the primary winding temperature rise. This comprehensive approach allowed for precise monitoring and analysis of the transformer's thermal performance during the test.

本试验在室温环境下，采用温升记录仪（JIK-8/16 Temperature Recorder）开展变压器温升测试。试验设定水流速率为10L/min，此时输入有功功率为393.23kW，输入无功功率为305.64kvar，输入电流为744.6A；功率损耗为8.5kW，由此计算得到功率转换效率为97.8%。温升曲线以10分钟为间隔进行记录，第一列数据对应副绕组温升，第二列数据对应原绕组温升。该测试方案可实现对变压器热性能的精准监测与分析。