Steam Power and Co-Generation Series 7407 - Steam Turbine Operation & Control

7407 - Steam Turbine Operation & Control

85.00 85.00

  • Course Delivery: On Demand
  • Duration: 4

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The objective of this seventh module is to present and discuss the major features of steam turbine operation, protection and control. Particular attention is paid to the effect of changes in load or steam temperature on mechanical operation of the turbine, and consequent need for supervisory instrumentation and automatic protection devices.


Course Objectives

Learning Objectives:
- Operation of the turbine hydraulic control system.
- Governor operation.
- The function of turbine control valves and stop valves.
- The function of reheat intercept valves and reheat stop valves.
- Location of steam chest(s).
- Operation of drains on steam piping, stop valve, steam chest, turbine shell.
- The need for turning gear.
- Start-up procedure.
- Limitations to rate of raising speed.
- Critical speeds.
- Full-arc and partial arc steam admission.
- Matching steam temperature to turbine metal temperature.
- Turbine steam by-pass.
- Minimum load requirements.
- Effects of turbine expansion.
- Supervisory equipment: eccentricity, vibration, differential expansion, metal temperature, shaft position, pedestal position.
- Prevention of water ingress to the turbine.
- Function of protection devices, overspeed, and low vacuum, thrust bearing failure, loss of lube oil pressure, boiler-generator-turbine intertripping, steam pressure deloader.
- Turbine trip function.
- On-load testing of protective devices.
- Exercising stop valves.
- Control room layout.
- Significant monitoring points.





End of Course Instructions

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After completing this course the final exam must be passed with a 70% or higher in order to recieve certificate.

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