Hybrid turbine governor eHPG
VEO’s hybrid turbine governor, the eHPG, is a pioneering innovation merging hydropower with energy storage technology.
The eHPG’s dynamic regulation optimises and minimises the need for mechanical regulation of the hydropower turbine, resulting in reduced wear and maintenance costs.
The optimisation also leads to significantly enhanced reserve power characteristics of the power plant. This gives a larger number of hydropower plants access to the frequency reserve market, making them valuable assets in the energy transition.
The VEO eHPG significantly prolongs the turbine’s service life and improves the reserve power characteristics of the hydropower plant.
This is how the eHPG works
The eHPG continuously monitors the state of charge of the energy storage and efficiently controls both the storage and the turbine in response to changes in network frequency – thereby ensuring precise control, keeping the grid stable and the distribution undisturbed.
Results?
- Reduced wear and maintenance costs
- Improved reserve power characteristics
- Rapid responses to grid disturbances
The idea behind the innovation.
Jukka Kelloniemi, Team Leader in VEO’s hydropower automation team, had together with clients noticed a recurring concern in hydropower: frequency regulation wears out turbines and mechanical devices due to constant movement.
“This issue required an innovative solution, where mechanical regulation could be replaced by a cost-effective battery system,” Kelloniemi recalls.
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References
Explore recent projects where VEO’s eHPG is implemented.
