Andrienko, P. D., and A. A. Sakhno. “Results of Installation of 330 KV Current Transformers Main Insulation on-Line Monitoring System at «Dnepr-Donbass 330» Substation”. Electrical Engineering and Power Engineering, no. 2 (December 22, 2011): 63–68. Accessed November 25, 2024. http://ee.zntu.edu.ua/article/view/90645.