STG Governor Control Valve CV#2 suddenly closed to 0% during normal operation and load at 90%. During CV-2 closed CV-3 has started increasing from 20% to 60% and CV-4 increasing from 0 to 20%
During the CV#2 valve repair
During the CV#2 valve repair
- Is it possible to keep the unit running with three governing control Valve till next opportunity shutdown? What are risks if any?
- Is there any disturb will lead to unit during CV-2 normalize and come in-service? What are precautions taken too avoid unit disturbing
- If possible then please clarify & explain in detail, how can we achieve that.