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  1. james_0405

    Subject: W501F STG Valve Flow Response Delay and GF Compliance Limits

    The gas fuel valve consists of a diffusion combustion pilot throttle valve and premix combustion Stage A and Stage B throttle valves. The pilot fuel valve's feedback tracks the demand well, and the Stage valves also show good tracking between demand and feedback, with no change in the Stage flow...
  2. james_0405

    Subject: W501F STG Valve Flow Response Delay and GF Compliance Limits

    During a 0.1Hz frequency drop test during online operation, the test results revealed that our units fell significantly short of the required response speed and compliance rate. The key findings from our internal inspection and analysis are as follows: * **Low Compliance Rate:** The frequency...
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