![]() ![]() ![]() This methodology leverages detailed measurements onsite and on the test bench along with numerical simulations to assess the exact behavior of the turbine and its capability to operate in a fully flexible way, far from its nominal output. The team’s solution relies on a new turbine hydraulic design and a monitoring methodology to unlock new hydropower plant operation strategies. Francis turbines are the most commonly used in the world for hydropower generation, and for this project, low-head hydropower facilities are defined as those with 80 meters or less of height differential between the water intake and discharge. The team’s approach to design and subsequently operate Francis hydropower turbines at low-head sites increases facility flexibility (or its ability to quickly respond to changes in power demand), as well as oxygen levels in water. Historically, hydropower units are mainly operated close to their nominal power output and, when power demand changes, plant operators must start or stop units. The General Electric Research-led team demonstrated a new hydropower turbine design and operating approach that allows plant operators to adjust power output in a few seconds to meet energy demand without needing to start or stop units, which can take up to 90 seconds. ![]()
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