Nuclear powerplant Mochovce, blocks 11, 12, 21 and 22, 220 MW

Country: Slovakia

Customer: Slovenské Elektrárne, a.s., in cooperation with Doosan Škoda Power

Scope of delivery: Reconstruction of four Škoda turbo-sets on blocks11, 12, 21 and 22 (4 × 220 MW). Replacement of the original hydraulic-mechanical control system. Use of newly installed directly driven electro-hydraulic control. Installation of redundant secondary and tertiary oil pressure control. Installation of individual proportional control by bypass valve with electronic position measurement. The turbine control valves were equipped with a newly installed position measurement. Installation of a new electronic Trip block SIL3 for turbine protections.

Design, assembly, disassembly, supervision, testing and putting into operation

Realization: 2019