Ivanov, Krasimir Marinov, Tsviatko Kolev Varbov, and Georgi Tsonev Velev. “CALCULATION OF LOSSES OF ACTIVE POWER AND ENERGY IN TRANSMISSION LINES AND TRANSFORMERS, AS A PART OF THE ELECTRICAL DISTRIBUTION POWER NETWORK”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June 15, 2017): 107–110. Accessed November 23, 2024. https://journals23.rta.lv/index.php/ETR/article/view/2657.