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