Turbine-Generator Outage Support

| Print |
  • STEAM TURBINE-GENERATOR MAINTENANCE SERVICES
    • Disassembly, Inspection, Reassembly Procedure Writing
    • Problem Solving
    • Technical Assistance (on turbine floor)
    • Planning / Scheduling
  • STEAM TURBINE CONTROL SERVICES
    • Outage calibration, functional checks
    • Troubleshooting
    • Development of Instrument Loop Diagrams
    • Calibration, Functional Check, Troubleshooting Procedure Writing
    • Single Point Failure Analysis
  • STEAM TURBINE OPERATIONAL SERVICES
    • Troubleshooting
    • Operational Procedure Writing
    • Start-Up Support
    • Operational and Performance Evaluations
    • Water Induction Risk Evaluation
  • GENERATOR EXCITATION & CONTROL SERVICES
    • Outage Support; Calibration, Functional Checks
    • Troubleshooting
    • Development of Instrument Loop Diagrams
    • Calibration, Functional Check, Troubleshooting Procedure Writing
    • Single Point Failure Analysis
  • GAS TURBINE MAINTENANCE SERVICES
    • Disassembly, Inspection, Reassembly Procedure Writing
    • Problem Solving
    • Technical Assistance
    • Planning / Scheduling
  • GAS TURBINE CONTROL SERVICES
    • Outage calibration, functional checks
    • Troubleshooting
    • Development of Instrument Loop Diagrams
    • Calibration, Functional Check, Troubleshooting Procedure Writing
    • Single Point Failure Analysis
For more information on any of these services, please e-mail Harold Parker.

STEAM TURBINE-GENERATOR MAINTENANCE SERVICES

  • Disassembly/Inspection/Reassembly Procedures
    • Steam Valves
    • Bearings
    • HP Shells / Rotors
    • LP Casings / Rotors
    • Auxiliary Systems
    • Generator
    • Fossil/Nuclear/Industrial Applications
  • Technical Direction
    • Provide direction on disassembly/inspection/reassembly of steam turbine components that results in time savings as well as improved performance
    • Assist in evaluating as-found components to determine or support repair/replace/reuse decision making
    • Develop cost effective schedule plans for future outages
  • Engineering Problem Solving
    • Provide expertise in the development of cost - effective solutions to problems
    • Insurance Evaluations.  Technical support in accurate evaluation of insurance claims

Current Experience Includes:  GE Mechanical Drive Turbines, W Mechanical Drive Turbines, GE Medium Steam, GE Large Steam Fossil & Nuclear, W Medium Steam, W Large Steam, Hitachi, Mitsubishi, Toshiba, GEC, Parsons, English Electric, ABB, Siemens.

HPC Currently does not provide labor services.  We do, however, network with several organizations that can provide these services, separately or collectively with HPC.



STEAM TURBINE CONTROL SERVICES

  • Single Point Failure Analysis:  HPC has performed services like these on GE & W nuclear steam turbines.  The purpose was to identify those 'single' components that could, if they were to fail, shut the unit down.  HPC has continued to offer recommended design changes for the short-term avoidance of such shut-downs.
  • Instrument Loop Diagrams:  HPC has developed instrument loop diagrams for the benefit of technicians and plant engineers.  When troubleshooting a problem, sometimes OEM print systems can very much get in the way of the troubleshooting sequence.  Instrument Loop Diagrams, when developed, make this troubleshooting "far more" cost effective.
  • Calibration, Functional Check, Outage Services:  HPC has provided outage support specific to the turbine control system.  For example, on a number of units HPC arrived on site about one-week before the hydraulic flush was to be completed.  We conducted a functional check of the turbine control system, stroked valves, set valve curves, and verified trip functions in preparation for the subsequent start up.
  • Troubleshooting turbine controls problems: Often due to an inadvertent trip, oscillation of control devices, failure to start, or questionable accuracy.
  • Procedures:  HPC has developed site-specific procedures so that the plant engineer/technician can effectively conduct functional checks in the time allotted.  Troubleshooting Procedures have been developed as well.

Current Experience Includes:  GE MHC  /  GE-LSTG Mk-I  /  GE-LSTG Mk-II  /  GE-MSTG Mk-II  /  GE-MSTG Mk-III  /  GE-MSTG Mk-III+  /  GE-DCM+  /  GE-MDT-UT70  /  GE-MDT20/80  /  GE Mk-V  /  W300#  /  W150#  /  W-AEH  /  W-DEH  /  Woodward Controls



STEAM TURBINE OPERATIONAL SERVICES
  • Engineering Support in Troubleshooting Operational Problems
  • Operational Audits
    • Evaluation of start-up procedures and recommendations of improvements that may result in improved start times, less loss of life in operating components, more reliable operations, improved safety
    • Walk down of auxiliary systems to evaluate procedures that may have an impact upon availability, reliability, and/or safety considerations
    • Steam Path Performance analysis
  • Development of Operational Procedures:
    • Pre-Start Up
    • Start Up
    • Load Changes
    • Shut-Down
    • Shut-Down in Preparation for Outage
  • Engineering Support in Start-Ups following Outages where there are concerns over the restart.  I.e., need to troubleshoot problems more effectively, vibration issues, and or control system issues.
Current Experience Includes:  GE Mechanical Drive Turbines, W Mechanical Drive Turbines, GE Medium Steam, GE Large Steam Fossil & Nuclear, W Medium Steam, W Large Steam, Hitachi, Mitsubishi, Toshiba, GEC, Parsons, English Electric, ABB, Siemens.



GENERATOR CONTROL SERVICES

  • Single Point Failure Analysis.  The purpose was to identify those 'single' components that could, if they were to fail, shut the unit down.  HPC has continued to offer recommended design changes for the short-term avoidance of such shut-downs.
  • Instrument Loop Diagrams.  HPC has developed instrument loop diagrams for the benefit of technicians and plant engineers.  When troubleshooting a problem, sometimes OEM print systems can very much get in the way of the troubleshooting sequence.  Instrument Loop Diagrams, when developed, make this troubleshooting "far more" cost effective.
  • Calibration, Functional Check, Outage Services.  Complete functional check out of the Voltage Regulator.  Scaling of inputs and output analog values.  Check out of protective functions.  Check out of response times and stability.
  • Troubleshooting generator controls problems.  Procedures.  HPC has developed site-specific procedures so that the plant engineer/technician can effectively conduct functional checks in the time allotted.  HPC has also authored troubleshooting procedurs.

Current Experience Includes:  GE Amplidyne Systems  /  GE Alterrex  /  GE Generrex  /  GE EX-2000  /  GE SCT-PPT  /  GE Bus Fed Systems  /  GE SCPT  /  WTA  /  WTA-300B



GAS TURBINE MAINTENANCE SERVICES

  • Disassembly/Inspection/Reassembly Procedures
    • Valves
    • Bearings
    • Compressors
    • Gas Turbine Rotor/Casing
    • Borescope Inspection
    • Auxiliary Systems
  • Technical Direction
    • Provide direction on disassembly/inspection/reassembly of gas turbine components that results in time savings as well as improved performance.
    • Assist in evaluating as-found components to determine or support repair/replace/reuse decision making.
    • Develop cost effective schedule plans for future outages.
  • Engineering Problem Solving
    • Provide expertise in the development of cost - effective solutions to problems.



GAS TURBINE CONTROL SERVICES

  • Single Point Failure Analysis.  The purpose was to identify those 'single' components that could, if they were to fail, shut the unit down.  HPC has continued to offer recommended design changes for the short-term avoidance of such shut-downs.
  • Instrument Loop Diagrams.  HPC has developed instrument loop diagrams for the benefit of technicians and plant engineers.  When troubleshooting a problem, sometimes OEM print systems can very much get in the way of the troubleshooting sequence.  Instrument Loop Diagrams, when developed, make this troubleshooting "far more" cost effective.
  • Calibration, Functional Check, Outage Services.  Complete functional check out of scaled inputs/outputs.  Functional check out of operational sequences to include start up, speed control, temperature control, NOx, and valving.
  • Troubleshooting turbine controls problems.  Often due to an inadvertent trip, oscillation of control devices, failure to start, or questionable accuracy.Procedures.  HPC has developed site-specific procedures so that the plant engineer/technician can effectively conduct functional checks in the time allotted.

Current experience includes:  GE Fuel Regulator Controls  /  GE Speedtronic Mk-I  /  GE Speedtronic Mk-II  /  GE Speedtronic Mk-IV  /  GE Speedtronic Mk-V

For more information on any of these services, please e-mail Harold Parker.