EFFECT OF WATER LEVEL CHANGES IN THE FOREBAY ON THE ELECTRIC ENERGY CONSUMPTION OF PUMP UNITS. International Journal of Political Sciences and Economics, [S. l.], v. 5, n. 01, p. 54–59, 2026. DOI: 10.55640/. Disponível em: https://ijmri.de/index.php/ijpse/article/view/4401. Acesso em: 1 jul. 2026.