Hidrocentrala cu acumulare prin pompare Malta Hauptstufe, Austria - 01
Hidrocentrala cu acumulare prin pompare Malta Hauptstufe, Austria - 02
Hidrocentrala cu acumulare prin pompare Malta Hauptstufe, Austria - 03
Project: Pumped storage hydropower plant Malta Hauptstufe, Austria
Year: 2020 – 2021
Scope of work: Modernization of the 2 x four-stage centrifugal pumps, manufactured by VOITH
The objective of the modernization works was to improve the efficiency and the nominal output and lower the noise level outside of the power station by redesigning the geometry of the pump casing, of the runner and the diffusers.
| Parameters after upgrading | |
| No. of units | 2 |
| Nominal output (pump/turbine) [MW] | 193,07 |
| Maximum discharge (turbine mode) [m³/s] | 16,26 |
| Nominal net head [m] | 1100 |
| Nominal speed [rpm] | 500 |
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