|
Model
|
PG6551B
|
Manufacture Year
|
2001
|
Running Hours
|
30000h
|
|
Power
|
55MW
|
Origin
|
China
|
speed
|
3000r/min
|
|
Remark
|
Frequeney:50Hz, Fuel:Natual gas
|
Gas Turbine Thermal Power Plant – Gas Turbine Generator Introduction
1竊�/span>1 Running and maintenance info.
1竊�/span>1竊�/span>1 Performance parameter
|
|
Item
|
Unit No.1
|
|
Gas Turbine
|
Manufacturer
|
Nanjing Turbine & Electric Machinery (Group) Co., Ltd.
|
|
Model
|
PG6561B
|
|
Control System
|
MK-V
|
|
Performance
|
39620KW ISO natural gas Heat Rate:11300 KJ/H
|
|
Gas Turbine Generator
|
Manufacturer
|
Nanjing Turbine & Electric Machinery (Group) Co., Ltd.
|
|
Model
|
QFR-40-2
|
|
Rated capacity
|
50MVA
|
|
Rated voltage (V)
|
10500V
|
|
Frequency
|
50Hz
|
|
Rated current
|
2749A
|
|
Rated speed
|
3000r/m
|
|
Power factor
|
0.8
|
|
Venting means
|
Closed cycle air cooling
|
|
Excitation means
|
brushless
|
|
insulation grade /use grade
|
F/B
|
|
Connection
|
Y
|
|
Main exciter
|
Model
|
TFLW152-3000
|
|
Rated output
|
152KW
|
|
Rated Voltage
|
170V
|
|
Rated current
|
895A
|
|
Rated Speed
|
3000r/m
|
|
Pilot Exciter
|
Model
|
TFY2.85-3000C
|
|
Power
|
2.85KVA
|
|
Voltage
|
190V
|
|
Current
|
15A
|
|
Speed
|
3000r/m
|
|
Frequency
|
40HZ
|
|
Phase
|
Single phase
|
|
Means
|
permanent magnet
|
|
Start system
|
Configuration
|
electric machine
|
|
Power
|
450Kw
|
|
Duration from start to basic loaded
|
|
|
Normal
|
16min10s
|
|
Faster
|
10min.
|
|
Phase
|
3-phase
|
|
Voltage
|
3000+-10%
|
|
Frequency
|
50Hz
|
|
|
Clutch Type
|
claw clutch
|
|
Natural Gas System
|
Rated Pressure
|
2.035MP
|
|
Max. Pressure
|
2.21MP
|
|
Min. Pressure
|
1.86MP
|
|
Fuel Temp.
|
Above natural gas dew-point temp 28��nbsp;below 120��nbsp;
|
|
Rated Flow
|
13850NM3/H
|
|
Min. Flow
|
3900NM3/H as per the air flow of single unit with full speed and unloaded
|
|
Max. Flow
|
16700NM3/H as per the air flow of units under standard running state, low atmospheric temp. and full loaded
|
1竊�/span>1竊�/span>2 Running status after putting into operation
|
Item
|
Unit No.1
|
|
|
Time of put into operation
|
Sep. 2001
|
|
|
Fuel
|
Natural Gas
|
|
|
Total Running Hours
|
31778.1Hr
|
|
|
Total Firing Times
|
131times
|
|
|
Natural Gas Running Hours
|
31778.1Hr
|
|
|
Generating Capacity竊�/span>KWh竊�/span>
|
962160000
|
|
1竊�/span>1竊�/span>3 Repair and Maintenance Record竊�/span>Main Parts Change Record竊�/span>
|
Sent back to the factory for overhaul at May 2003, air compresdsor changed integrally
|
|
Jul.20, 2005 planned periodic repair. Changed one set of first level fixed blade ring of the turbine.
|
|
Aug. 30, 2006 planned overhaul. Changed one set of 2# bearing of the combustion engine and 10pcs of flame tube of the combustion chamber.
|
|
Oct.20, 2007 plannedcurrent repair. Changed 10 pcs of fuel burner vortex body and 5 transition sections of the combustion chamber
|
|
Mar.18, 2008 periodic repair, changed 5 transition sections of the combustion chamber竊�/span>changed one set of first level fixed blade ring of the turbine.
|
1.2.1Equipment Specifications
|
|
Item
|
Boiler
|
Steam Turbine
|
|
Boiler & Steam Turbine
|
Manufacturer
|
Hangzhou boiler co
|
Nanjing steam turbine co
|
|
Type
|
Q0407/532-66竊�/span>5竊�/span>-3.82竊�/span>1.275竊�/span>/450竊�/span>220竊�/span>
|
C15-3.43/1.27
|
|
Generator
|
Control sys.
|
DEH
|
|
Manufacturer
|
Nanjing steam turbine co
|
|
Type
|
QFW-15-2A
|
|
Rated power
|
15MW
|
|
Rated V.
|
10.5KV
|
|
Current
|
1031A
|
|
Frequency
|
50HZ
|
|
Speed
|
3000r/min
|
|
Power factor
|
0.8
|
|
Cooling type
|
Air cooling
|
|
Excitation type
|
AC brushless excitation, excitation current 320A
|
|
InsulationType
|
F/F
|
|
Connection
|
Y
|
|
Note
|
竊�� Design conditions –steam turbine capacity 15MW
Pure condensing steam conditions竊�/span>Main steam flow: 62.5t/h竊�/span>steam turbine capacity 15MW
Rated extraction conditions竊�/span>Main steam flow:101.5t/h竊�/span>steam turbine capacity 15 MW
竊��Design condition竊�/span>No low or increase竊�/span>
Max. condition竊�/span>No low or increase竊�/span>
|
1.2.2 Running Record
|
Item
|
Boiler
|
Steam Turbine
|
|
Put to use year
|
Sep. 2001
|
Sep. 2001
|
|
General running record till Mar.16 2008
|
|
Total running time
|
29600 hours
|
|
Total output (KW)
|
345498602
|
1.2.3 Boiler rebuild and Maintenance
|
Boiler
|
Steam turbine
|
|
29600 hours
|
29528 hours and 20 minutes
|
Main changes and Overhaul
|
|
Boiler
|
Steam turbine
|
|
Change time
|
No big change
|
No big change
|
|
Overhaul time
|
Aug. 2008 -Oct. 2008
|
Aug. 2008 -Oct. 2008
|
|
Changed parts
|
No
|
Speed adjust oil pump sealing
|
1.2.4 Current condition of the generation sets
Condition after the last overhaul(till Mar.16, 2008)
|
|
Boiler
|
Steam turbine
|
|
|
In good condition
|
In good condition
|