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ABB, GT10B, 1995, Gas Turbine Generator Package, 24.63 MW, 60 Hz, Dual Fuel

ABB, GT10B, 1995, Gas Turbine Generator Package, 24.63 MW, 60 Hz, Dual Fuel

Description

  1. Overview

    1. ABB STAL GT10B gas turbine generator packages, 3 units available

    2. Each unit is a complete power generation train: gas turbine, gearbox and generator (alternator)

    3. Year: 1995

    4. ISO power rating: 24,630 kW (24.63 MW) per unit

    5. Frequency: 60 Hz

    6. Fuel system: dual fuel

    7. Available from an existing power facility

  2. Gas Generator

    1. Mass flow: approx. 174.6 lb/s (79.2 kg/s) at ISO conditions

    2. Pressure ratio: 13.6:1

    3. Compressor: 10-stage axial

    4. Turbine: 2 stages

    5. Rotor design: electron-beam welded

    6. Combustion chamber: single annular, Hastelloy-X

    7. Burners: 18, dual fuel

    8. Ignition: 1 pilot (torch) burner, LPG

    9. Gas generator speed: 9,770 rpm (nominal)

    10. Nominal speed (natural gas service): 9,520 rpm (gas generator line)

  3. Power Turbine

    1. Number of stages: 2

    2. Nominal speed: 7,700 rpm (for power generation)

    3. Rotor design: electron-beam welded

    4. Rotor weight: approx. 975 kg (2,150 lb)

  4. Gearbox

    1. Flender-Graffenstaden, type TX90/4C

    2. Reduces power turbine speed to generator speed

  5. Generator (Alternator)

    1. ABB GBA1120SG

    2. Rated speed: 1,800 rpm

  6. Support Systems

    1. Fuel system: dual-fuel arrangement (natural gas and liquid fuel)

    2. Lube oil system: complete lubrication skid and components

    3. Control cubicle: ABB control and monitoring system

    4. Auxiliaries: pumps, filters, valves, instrumentation and associated support systems

  7. Unit 1

    1. Condition: used, in service, Level B maintenance overdue

    2. Total service time: 93,346 h

    3. Equivalent service time: 120,998 h

    4. Starts: 1,987

  8. Unit 2

    1. Condition: used, Level B maintenance completed, no pending maintenance

    2. Total service time: 91,222 h

    3. Equivalent service time: 116,630 h

    4. Starts: 1,594

  9. Unit 3

    1. Condition: used, Level B maintenance completed, next Level C maintenance overdue

    2. Total service time: 100,171 h

    3. Equivalent service time: 127,338 h

    4. Starts: 1,581

  10. Condition

    1. Used; the units require overhauling to return to OEM operating standards

    2. Dismantling and overhaul by a third-party service provider can be arranged