FREQUENCY CONTROL AS AN ANCILLARY SERVICE IN DEREGULATED POWER MARKETS. INTERNATIONAL JOURNAL OF ADVANCED RESEARCH AND REVIEW (IJARR), [S. l.], v. 1, n. 1, p. 43–52, 2016. Disponível em: https://www.ijarr.org/index.php/ijarr/article/view/51.. Acesso em: 1 may. 2026.