Where is the maximum bending after the turbine is shut down? When is it most dangerous to start?
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Where is the maximum bending after the turbine is shut down? When is it most dangerous to start? After the turbine is shut down, if the turning gear cannot be activated for some reason, the rotor will gradually bend due to temperature differences between the upper and lower parts of the cylinder or other factors; the area with the greatest bending usually lies near the regulating stage ； The maximum bending value occurs around 2 to 10 hours after shutdown; therefore, starting the machine during this period is the most dangerous.
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