Sy-Sima, Norway

World’s largest MicroGuss™ Pelton runner

June 2019: The first out of two units have been successfully commissioned at Sy-Sima. Post commissioning on-site efficiency measurements show good results and confirm good margins beyond the guaranteed performance values.

© ANDRITZ

Scope of contract for ANDRITZ Hydro included supply, design, engineering, manufacturing, installation, and commissioning of both Pelton runners, including a full homologous model test.

The full model test prior to manufacturing was completed in our laboratory in Vevey, Switzerland. Manufacturing was performed at the ANDRITZ Hydro workshop in Ravensburg, Germany. With an outer diameter of 5,020 mm, Sy-Sima has the largest Pelton runners manufactured with MicroGussTM welding technology in the world.

TECHNICAL DATA

Total output:630 MW 
Scope:2 × 315 MW
Head:885 m
Speed:300 rpm
Runner diameter:5,020 mm

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