This paper expounds a new type of high-efficiency measurement device for thermal resistance in temperature rise test of distribution transformers.The device achieves automatic switching between temperature rise circuit and DC resistance testing circuit through the integration of switching device,dual contact and single contact contactor,ensuring the reliability of testing connection.
关键词
配电变压器/温升试验/换线装置
Key words
distribution transformer/temperature rise test/line changing device
维普
万方数据