58500 kW 13800 Volts 60 Hz Combined Cycle Power Plant

Description

FR-6B combined cycle power plant with 1 X FR6B gas turbine 1 X HRSG and 1 X steam turbine generator set.

Plant performance:
ambient temperature: 48 deg F
fuel: natural gas
gross output: 58,500 kW
plant heat rate: 8,900 BTU/KWH


Gas turbine generator set:
Gas turbine:
manufacturer of turbine: General Electric
model number: PG6541B
type: Continuous
packaged by: GE
packager model number: 6A1PB148-1
rating (base/peak) 42400 kW
inlet temperature: 48 degrees F
speed: 5,100 rpm

Gear reducer:
manufacturer: Westech
rating: 68000 HP
speed: 5100/3600 rpm

generator:
manufacturer: General Electric
type: Tewac
rating: 46,500 kVA
voltage: 13800 V, 3phase, 60 HZ
speed: 3600 rpm
PF: 0.9
Armature amps: 1845 amps
insulation class: F/F (Stator/rotor)

control: Mark IV Speedtronic
black start: diesel engine
fuel: natural gas
NOx control: steam injected
year built 1992 shutdown: Still connected
total life time hours 46,200
hours since last major overhaul 2007 : 1000 hours

HRSG:
manufacturer: Zurn
type: duel pressure
steam flow:
HP super heated steam: 900 PSIG/900 deg F, 147,726 lbs/hr

LP saturated steam: 185 PSIG/384 EF F, 24,623 lbs/hr

Steam turbine generator:
manufacturer: GE
rating: 16,500 kW
pressure temperature flow
inlet steam: 900 PSIG 900 deg F 132,000 lbs/hr
controlled steam: 180 PSIG 0 to 80,000 lbs/hr
exhaust steam: 2" HGA 137,400 lbs/hr
rating with zero extraction: 16,500 kW
steam rate: 8.00 lbs/KWH
speed: 5362 rpm
inlet steam size: 10"
AE steam size: 8"
uncontrolled steam size: 6"
exhaust steam: 75"
governor: Woodward 505E
generator:
manufacturer: GE
rating: 18,333 kVA
voltage: 13800 V, 3 phase, 60 HZ
pf: 0.9
speed: 1800 rpm
Armature amps: 767 amps
exciter: brushless, PMG
type: Tewac
condenser square ft: 16,619 sq ft
condenser water flow: 15,947 GPM
cooling water inlet temp.: 75 deg F
cooling water outlet temp: 92 deg F

History of steam turbine generator:
Steam turbine generator was installed in 1990.
Approximately 50,000 hours

Water treatment system:

Power house building with 15 ton and 20 ton cranes

115 KV substation, 13.8 KV switchgear, 4160 V motor starters, 480 V MCC, battery and battery charger, ups.

Plant history: start up 1992 and operated until 1998, after this date the plant ran as peak standby only