ENERGY-EFFICIENT OPERATING MODES OF ASYNCHRONOUS ELECTRIC MOTOR PUMPS WITH VARIABLE FREQUENCY CONTROL. Eureka Journal of Geoscience, Materials & Resource Engineering, [S. l.], v. 2, n. 1, p. 42–48, 2026. Disponível em: https://eurekaoa.com/index.php/9/article/view/299. Acesso em: 4 apr. 2026.