426 South Main Street
Pittsburgh PA, 15220
Phone No.: (412) 921-3226
Fax No.: (412) 921-9660

INSTALLATION DESCRIPTION BRIEF

INDUSTRY: IPP (Independent Power Producer)

APPLICATION: 80 MW Combined Cycle Cogeneration Plant

COMMERICAL OPERATION: December 1993

SITHE ENERGIES USA, INC.

AG ENERGY, L.P.

OGDENSBURG ENERGY FACILITY

Ogdensburg, NY, USA

EPC CONTRACTOR: ZURN/NEPCO

DESCRIPTION:

80 MW Natural Gas/Oil Fired, Combined Cycle Cogeneration Plant consisting of 2 gas turbine generators exhausting into two, three pressure Heat Recovery Steam Generators (HRSG’s) supplying steam to a single condensing steam turbine generator.

Plant consists of the following systems that are controlled via the Distributed Control System.
  • Gas Turbine Generator (Stewart & Stevenson – LM6000)
  • Gas Turbine Generator (Stewart & Stevenson – LM2500)
  • Steam Turbine/Generator
  • (2) Three Pressure Heat Recovery Steam Generators (Zurn)
  • (2) Duct Burners
  • Diesel Generator
  • Emissions and SCR/Ammonia Systems
  • Export Steam Systems @ 180 KPPH, 250 PSIG
  • Electrical power export and power factor control

All Balance of Plant System – Condensate, Feedwater, Fuels, Mechanical Auxiliaries, etc.

 

CONTROL EQUIPMENT:

Leeds+Northrup MAX 1000 DCS with the following components:
  • (2) WorkStations including:
  • (2) Real-Time Processors
  • (2) Applications Processors (EWS)
  • (2) Graphics Processors (OPS)
  • (5) Redundant Distributed Processing Units (DPU) Pairs
  • (3) Non-redundant Distributed Processing Units (DPU)
  • 1563 Total I/O Supplied: 285 AI 80 AO 592 DI 272 DO 135 TC 63 RTD 8 PI 128 SOE

SPECIAL FEATURES:
  • (2) Stewart & Stevenson Gas Turbine Data Links (1 Netcon 5000)
  • Multiplexed Color Copier