Latest Issue of Combined Cycle Journal

Features

Issue 1 sm

HEAT-RECOVERY STEAM GENERATORS

  • Historian data critical to HRSG operational assessments
  • How a leaking valve was IDed as the cause of tube-to-header failures
  • Problem solving 101: Don’t jump to conclusions more

CONTROL SYSTEMS

  • Cogen facility in the oil patch gets a controls makeover.
  • Operator can control plant from a tablet while on rounds
  • Electric fuel control valve streamlines plant operations more

TURBINE LUBRICATION

  • PAG acceptance grows with field experience
  • Learn from in-depth interviews with plant colleagues who have cured their varnish problems by replacing mineral oil with polyalkylene glycol, now OEM-approved more

FT4 CONTROLS UPGRADE

  • Grid dispatch requirements obsolete legacy controls more

Issue 2 sm

SUBSTATIONS

  • Proper substation maintenance critical to plant profitability more

COMMENTARY

  • Cybersecurity: Get your mind right more

ENERGY STORAGE

  • Does grid-scale storage threaten gas turbine plants?
  • Competing grid-scale technologies
  • California embraces energy storage more

PARTIAL DISCHARGE

  • Understanding, detecting, and interpreting PD activity more

BEST PRACTICES: THE FIRST DECADE

  • Takeaways from time-tested best practices
  • Well-engineered best practices pay dividends for the life of the plant at Central Alabama, Lindsay Hill, and Effingham more

WATER CHEMISTRY

  • Base water-quality specs on reality, not the GT OEM more

WATER/STEAM CYCLE

  • IAPWS gives guidance for monitoring steam purity more

User Group Reports

Ovation_logo

Ovation Users Group

  • Controls platform expands envelope of services, functions
  • Automatic voltage regulation
  • Wireless electric actuators more

501D5-D5A Users

  • Presentations at annual, mid-year meetings highlight safety, performance improvement
  • Turbine component sealing, rotor and casing inspection, modernization and upgrade products, non-OEM turbine parts were among topics that piqued attendee interest more

7F Users Group

  • Presentations by owner/operators dominate the closed user sessions at what is likely the world’s largest frame meeting
  • Corrosion pitting in the compressor, blending of 17th stage discs, fogging-related R0 erosion, fall protection, conversion from dual fuel to gas only, TIL1919, DLN2.6 fuel-nozzle repair, upgrading the .03 to .04 are some of the topics covered more
  • Vendor presentation recaps from CSE Engineering, Sulzer, EthosEnergy Group, and PW Power Systems
  • Lessons learned during a 7FA.03 CI/Package 3 upgrade

Plants Sharing Best Practices

Armstrong EnergyPlants BP Q4 14
      Calculator for weight management of forklift jib extension

Aurora Generating Station
      Pre-job briefing card promotes safer workplace
      Demin-water checklist

CAMS East Region Fleet
      Developing multi-skilled technicians at minimal cost

Chalk Cliff Cogeneration
      RO system dramatically reduces chemical costs

College Park Energy LLC
      Remove/replace manhole covers safely

Decatur Energy Center
      New exhaust seal assures effective fire protection
      Local level indicators improve safety, inventory management

Dogwood Energy Facility
      Installing battery disconnects allows safe, reliable testing, maintenance
      Cooling-tower blowdown reclamation reduces water use, processing costs
      Outage safety observers
      Innovative forced-outage strategy

EcoElectrica
      Valve-actuator hands-on training tool
      Emergency regulatory compliance matrix
      Thermal integration of CCGT and LNG terminal
      EHS technicians perform OHSAS, ISO inspections
      Operator cross-training and certification program

Green Country Energy
      Leadership training: Equipping plant leaders for new, greater challenges

Guadalupe Power Partners LP
      Turning-gear speed reducer modification

Juniper Generation LLC
      Forced-outage reduction initiative
      Ammonia system remote actuator

Klamath Generation Peakers
      Triple block, double bleed fast-start mod

Lawrence County Generating Station
      Daily safety moment keeps safety as day’s prime focus

Lea Power Partners LLC
      Turbine-casing cooling-air mod
      Chilled-water switch-on-the-fly mod
      Lube-oil mist separator vent-pipe mod
      Two-pass RO mod

MEAG Wansley
      Safety-barricade tape warnings

Millennium Power
      Plant significantly reduces nuisance alarms

Osprey Energy Center
      Arc-flash quick guides enhance safety

Pasco Cogen
      Rerouting plant infrastructure avoids outages from condenser tube leaks

Rathdrum Power Plant
      Water tank inspection yields comprehensive safety procedures
      DCS operator interface emergency response screen

Sabine Cogen LP
      Developing a system to clearly distinguish confined spaces

SEEDCO
      Fogging-water reclamation project

T-Power NV
      Project management database, analysis tool
      Competency management system

Walton County Power LLC
      Turbine-enclosure ventilation upgrade
      Fuel-line venting improvement

Washington County Power LLC
      Test points added increase LCI start reliability
      Troubleshooting tool for intermittent problems

Worthington Generation Station
      Daily safety moment keeps safety as day’s prime focus

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