ZIMMER, M. J. . Another Energy Problem: Growing Demand for “Reactive Power” Challenges U.S. Transmission Systems. Distributed Generation & Alternative Energy Journal, [S. l.], v. 16, n. 4, p. 57–60, 2001. DOI: 10.13052/dgaej2156-3306.1647. Disponível em: https://journals.riverpublishers.com/index.php/DGAEJ/article/view/14557. Acesso em: 14 may. 2026.