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As far as I know, hydro turbine's speed is proportional to the head available to turbine. Please do correct me if I am wrong.
When the power plant is about to sync with the grid, how the RPM of the generator is adjusted to match the frequency of the grid? Since head is fixed, I need to know how the frequency is adjusted.
When the power plant is about to sync with the grid, how the RPM of the generator is adjusted to match the frequency of the grid? Since head is fixed, I need to know how the frequency is adjusted.