Turbine and Generator Stopping Procedures
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Questions and Answers

What is the maximum allowable total load for all generators before stopping the generator?

  • 4000 kW
  • 3500 kW
  • 3000 kW
  • 3277 kW (correct)

    • Which valve must be closed to shut down the T/G driving steam?

  • TA-V4
  • TA-V11
  • TA-V1S (correct)
  • TA-V12

    • What should happen to the shaft revolution during the turbine stopping procedure?

  • It should reduce. (correct)
  • It should increase rapidly.
  • It should stop abruptly.
  • It should remain constant.

    • When can the turning gear motor be started?

    <p>Only after the shaft has fully stopped.</p> Signup and view all the answers

    How long should cooling down occur after stopping the turbine?

    <p>2 hours</p> Signup and view all the answers

    What is the appropriate bearing temperature for the turbine and generator during the stopping procedure?

    <p>±43°C</p> Signup and view all the answers

    What action should be taken if the generator needs to start within 2 hours of stopping?

    <p>Extend idling time and increase speed slowly.</p> Signup and view all the answers

    Which valves need to be confirmed to be fully open during the stopping procedure?

    <p>TA-V108, TA-V47, TA-V63, TA-V64</p> Signup and view all the answers

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