41. What are the reasons why the turbine emergency shut-off valve cannot open properly?

2021-10-11View Original

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41. What are the reasons why the turbine emergency shut-off valve cannot open properly?

Reply #22021-10-11

1. The shutdown interlock has not been released. 2. The control system has not been reset. 3. The start oil and emergency shut-off oil have not been supplied properly. 4. The emergency safety device is not in its proper position

Reply #32021-10-12

1. The power oil pressure is too low. 2. The unit’s self-protection interlock has not been reset properly. 3. The activation method is incorrect. 4. Mechanical failure of the quick shut-off valve, resulting in increased resistance.

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