Client
Hydroelectric Power Plant Operator, Greece (confidential)
Location
Kremasta Hydroelectric Power Station, Greece
Industry
Power Generation
Asset Type
Hydroelectric Power Station, 4 x 110 MW Francis-Type Hydro Turbines
Solution Category
Electronic Governing, Speed Sensing & Positioning Systems, Brownfield Retrofit, Unit Control & Protection Systems, HMI Systems, Hydro Turbine Control Systems
Control and protection upgrade of four 110 MW Francis-type hydro turbines at a major 440 MW hydropower Hydroelectric Power Station in Greece.
The project addressed the limitations of ageing turbine control systems, where the existing hydro-mechanical controls required increasing maintenance and limited the stability, response speed and precision of turbine operation.
As the particular plant plays an important role in Greece’s daily power production program, the retrofit had to be highly reliable, fast to implement and executed with minimal disruption to plant availability.
MAS delivered an electronic turbine control retrofit based on the Woodward ATLAS turbine control platform, engineered to operate alongside the existing hydro-mechanical control system, which was retained as a backup.
The project covered design, installation and commissioning, with each turbine upgraded within a tightly controlled downtime window.
This project highlights MAS’ capability to deliver hydro turbine control upgrades for critical power generation assets, where plant availability, fast response and operational safety are essential.
MAS engineered an electronic hydro turbine control system based on the Woodward ATLAS turbine control platform, integrating unit control and protection systems, electronic governing, redundant speed sensing, blade feedback, high-accuracy positioning systems and local HMI systems with remote indications to the control room.
The project also demonstrates MAS’ expertise in combining new digital control technologies with existing hydro-mechanical control systems, allowing the legacy system to remain available as a cold backup solution.
The scope included design, installation and commissioning, with execution carefully planned around limited turbine downtime and continued plant operation.
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