The trainees at Energie Steiermark were confronted with the problem that the inflow to the turbine at a hydroelectric power station was clogged with various flotsam. In a moderated brainstorming process, the participants developed a concept for an automated rack cleaning machine.
Why is that so important? Flotsam is caught on a grid in front of the turbine. The more flotsam collects, the less water reaches the turbine. The consequence is a reduced performance of the turbine. Using various methods such as visualization of the system components or the 9-window tool, the trainees were guided from the task to the idea to the concept.
There are currently 3 proposals that are now being checked for feasibility and cost-effectiveness. In the next step, the automated rake cleaning system is assembled by the trainees and installed at the power plant.