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When the process and steam parameters are normal, the turbine speed is 8515; at this speed, the turbine’s speed fluctuates quite frequently

2012-01-10View Original

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When the process and steam parameters are normal, the turbine speed is 8515; at this speed the fluctuations in turbine speed are relatively frequent. Reducing the speed to 8500 resolves this issue. What is the reason
Reply #22012-01-11
In my opinion, at a certain rotational speed, there is a critical position for adjusting the valve opening; at this position, the value of the opening is unstable.
Reply #32012-01-12
This phenomenon has also occurred in our factory; when the speed reaches 9600, there is vibration on site as well as significant fluctuations in the control system readings. However, we avoid operating at this speed and usually keep it at 9400 or 9800, and then this problem does not occur

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Translated at 2026-07-25 20:11:04

Original: https://bbs.hcbbs.com/thread-953289-1-1.html

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