On September 10, the State Grid Mengdong Xilinhot ODFSZ-250000/500 transformer DC bias test program seminar was held in Wujiang Transformer Co., Ltd. From Shanghai Jiaotong University, North China Electric Power University, China Electric Power Research Institute, State Grid Electric Power Research Institute, Hubei Electric Power Research Institute, State Grid Mengdong Electric Power Equipment Department, State Grid Mengdong Maintenance Company, Sichuan Qixing Star Equipment Company and our company Experts participated in this seminar.

At the seminar, our company introduced the state Grid Mengdong Xilinhot ODFSZ-250000/500 transformer in the design of DC bias suppression measures taken, and proposed a preliminary test plan. The participating experts analyzed the test conditions of the transformer and the current status of the DC bias test in China, discussed and studied some follow-up matters, and formed the final test plan.