Yandulskyi, Oleksandr, and Volodymir Hulyi. “PECULIARITIES OF TPS UNITS PARTICIPATION IN THE SECONDARY FREQUENCY CONTROL IN THE ITEGRATED ENERGY SYSTEM OF UKRAINE”. Scientific Works of Vinnytsia National Technical University, no. 4 (December 28, 2017). Accessed April 23, 2024. https://works.vntu.edu.ua/index.php/works/article/view/517.