Hongxing Wang, Guo-qing Zhang, Zhizhong Guo, Jia-ying Wang, Xingguo Cai
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Application of Electronic Transformers in Digital Substation
Embarking from the sensing principle of electronic transformer, the paper introduced the type and the constitution of electronic current transformer and electronic voltage transformer. By comparing the active and passive optical transformer in our country, we pointed out that the passive optical transformer have excellent measurement quality, it also have the same practical conditions as the active optical transformer. The paper elaborated the application project of electronic transformer in digital substation, and pointed out that the using of electronic transformer would accelerate the application of digital substation from the experiment site to the popularization.