Onsite – Page 3 – Combined Cycle Journal

LM6000: Ammonia injection system improvements reduce operational risk, cut cost

Mariposa Energy Project Owned by Diamond Generating Corp Operated by DGC Operations 200 MW, gas-fired 4 × 0 LM6000PC-powered (Sprint equipped) peaking plant, located in Alameda County, Calif Plant manager: Justin Crook Background. Mariposa is required to start and come to full load within 30 minutes. The plant uses 19% aqueous ammonia for NOx control […]

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LM6000: Water conservation program saves millions of gallons annually

Mashav Energy Owned by Mashav Initiating & Development| Operated by Mashav Energy 122 MW, 2 × 1 LM6000PF-powered combined cycle with a Siemens 300 steam turbine/generator, located in Ramia, Israel Plant manager: Yohay Aviguy Challenge. Water is the lifeblood of powerplants, especially those located in desert environments. Every effort must be made to conserve this

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LM6000: FOD-screen access-door mod enables safe opening/closing

Shoreham Energy LLC Owned by J-Power USA Development Co Operated by NAES Corp 90 MW, 2 × 0 LM6000PC-powered peaking plant equipped to burn only liquid fuel, located in Shoreham, NY Plant manager: Kenneth Ford Challenge. Shoreham’s gas turbines were supplied with FOD-screen (foreign object damage) access doors designed for manual installation/removal to permit semi-annual

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LM6000: Cleaning of fuel-gas pipeline reduces emissions

REO Cogeneration Plant Owned and operated by Lansing Board of Water & Light 100 MW, 2 × 1 LM6000PF-powered combined cycle equipped with IST once-through steam generators, located in Lansing, Mich Plant manager: Tom Dickinson Challenge. The REO Cogeneration Facility, COD 2014, in 2018 began experiencing operational complications that, in hindsight, could be attributed to

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LM6000: Access platform replaces ladders to help keep personnel safe

Equus Power 1 LP Owned by J-Power USA Development Co Operated by NAES Corp 48 MW, dual-fuel 1 × 0 LM6000-powered peaking plant, located in Freeport, NY Plant manager: Kenneth Ford Challenge. Equus’ Higgot-Kane anti-icing system is mounted on the gas turbine exhaust section and relies on exhaust gas to heat air drawn into the

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LM6000: Relief-valve monitor protects against fluid spills

Edgewood Energy LLC Owned by J-Power USA Development Co Operated by NAES Corp 88 MW, gas-fired 2 × 0 LM6000-powered peaking plant, located in Brentwood, NY Plant manager: Kenneth Ford Background. Edgewood’s gas-compressor (GC) skid is comprised of three screw-type compressors served by a common system for removing lube oil entrained in the natural gas

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LM6000: Relocating NOx-water pressure transmitter eliminates freeze-up concerns

Worthington Generation Station Owned by Hoosier Energy Rural Electric Co-op Inc Operated by NAES Corp 174 MW, gas-fired facility equipped with four LM6000 simple-cycle engines for meeting member peaking-power needs, making off-system sales, and satisfying generating reserve requirements. Station is located in Green County, Ind, and connected to Hoosier’s 138-kV transmission line Plant manager: Robert

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Innovative solutions for reliability and safety: Fairview’s best practices in winter operations, maintenance efficiency, and generator upgrades

Fairview Energy Center Owned by Competitive Power Ventures, Osaka Gas, and DLE Operated by NAES Corp 1050 MW, gas-fired 2 × 1 7HA.02-powered combined cycle equipped with a GE D602 steamer and John Cockerill (formerly CMI) HRSGs, located in Johnstown, Pa Plant manager: Irvin Holes Enclosure improves air-compressor reliability in winter Challenge. Fairview’s Atlas Copco

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Enhancing safety, efficiency, and training: Towantic’s best practices in dual-fuel operations, operator requalification, and digital SDS access

CPV Towantic Energy Center Owned by Competitive Power Ventures and Osaka Gas Operated by NAES Corp 805 MW, gas-fired 2 × 1 7HA.01-powered combined cycle equipped with DLN2.6+ AFS combustion systems, GE D602 steamer, and John Cockerill (formerly CMI) HRSGs, located in Oxford, Conn Plant manager: Larry Hawk GT enclosure cameras critical to plant’s participation

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How to upgrade, replace under-performing circuit breakers

HIGH-VOLTAGE ELECTRICAL EQUIPMENT GE’s 7EA gas turbine is widely respected for its reliability, operational flexibility, and efficiency in simple-cycle, combined-cycle, and cogeneration systems, and mechanical-drive applications (Fig 1). This frame has been upgraded and improved continuously since its introduction some three decades ago. Today, it is rated up to 90 MW in simple-cycle service. Combined

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