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Home > Maintenance Area > TURBINE
What is the relationship with the axial displacement and differential expansion?

axial displacement and differential expansion zero are in thrust pad place, and the same zero location method. When axial displacement, although its value is small, but the total displacement axis changes. When axial displacement is positive, the large displacement axial direction of the generator, differential expansion changes to a negative direction; when the axial displacement toward a negative direction, the direction of the nose to the turbine rotor displacement, differential expansion value to the positive direction increases.

If the unit parameters unchanged, load stability, differential expansion and axial displacement does not change. When the unit starts and stops the process and steam parameters change, differential expansion will change, and axial displacement does not change.

When running axial displacement, differential expansion will inevitably lead to changes.


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