Impact of Dual Variable Speed and Inlet Valve Control on the Efficiency and Operating Range of Low-Head Contra-Rotating Pump-Turbines.
Daan P. K. TruijenJustus P. HoffstaedtJonathan FahlbeckAntonio Jarquin LagunaHåkan NilssonKurt StockmanJeroen D. M. De KooningPublished in: IEEE Access (2024)