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Gas Turbine, Start up, KAPCO, function charts, Siemens, V 94.2, Combined Cycle, with system drawings
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Start-up procedure for GT 1,2GT 1,2
Presented by:Fazal-ur-Rehman Babar
Principal EngineerKAPCO Technical Training
Start up
Step Wait Monit1 0 10 s
Step Wait Monit4 0 4 s
Step Wait Monit5 4 s 4 s
Commands SLC Gen Auxiliaries onSLC Oil Pumps onSLC Jacking oil pump onEmer bear oil pump onSLC Turning gear offSLC gen cooling water pumps onExcitation onSynchronizing offTurning Gear valve closeVoltage Controller on
All above commands feed back okPress beh main oil pumps >min (e.g. 3.5 bar)Main lube oil pump-1 onOil vapor extractor fan on
Ch. backs
Commands HSD Shut off valve MBN10AA015 openHSD Shut off valve MBN10AA015 openCh. back
Commands Lifting sol emerg trip energizedControl oil pump onLube oil cool fans on
Pr monit 1 trip act > minPr governing oil > min
Ch. backs
Commands Emergency bearing oil pump offSFC Frequency convertor prepareSLC Forw pps (if fuel oil selected) on
All above commands feed back okCh. back
Step Wait Monit2 0 8 s
Step Wait Monit3 0 200 s
Step Wait Monit7 60 s 60 s
Step Wait Monit8 0 20 s
Fuel gas selected
Fuel oil selected
Step Wait Monit9 0 40 s
Step Wait Monit10 0 40 s
Fuel oil
Step Wait Monit6 0 5 s
Step Wait Monit11 6 s 6 s
Commands Ignition gas sol valve-1 openBYP flush valve CCL/CCR close
Pr ign gas beh sol valve-1 >minAll air bleed/blow off valves open
Ch. backs
Commands HSD forwarding pumps onFO Start up pr limit valve onFO Recirculation valve pos to tankShut down return valve closeDosing system onFO injection pump on
Commands FG globe/shut off vv CCL openFG globe/shut off vv CCR openFG line vent valve close
All above commands feed back okCh. back
Commands SFC (Breaker Close) on
Fuel gas
Commands FO comb globe valve CCL openFO comb globe valve CCR open
All above commands feed back okTurbine speed > 480 rpm
Ch. back
Fuel gasFuel oil
Step Wait Monit12 0 25 s
Step Wait Monit13 0 10 s
Commands Ignition gas sol valve-2 openSLC Turning gear onMain lube oil pump-2 off
pr ign gas sol v-2 >minAll above commands feed back ok
Ch. back
Commands Run-Up unit raiseSolenoid valve FG ESV open
FG ESV >0%Ch. back
Commands Run-Up unit raiseSolenoid valve FO ESV open
FO ESV >0%FO return shut off valve open
Ch. back
Synchr breaker on
Step Wait Monit14 0 12 s
Step Wait Monit15 0 30 s
Step Wait Monit16 0 170 s
Step Wait Monit17 0 50 s
Step Wait Monit18 5 s 5 s
Step Wait Monit19 0 1 s
Commands Run-up unit raise
Flame onGTRB governor not fault
Ch. back
Commands Run-up unit raiseIgn gas sol valves 1&2 closeTurbine speed >900rpm
Ch. back
Commands Run-up unit raiseTurbine speed >2100 rpmSFC off
Ch. back
Commands Run-up unit raiseTurbine speed >2850 rpmCh. back
Commands Run-up unit raiseExcitation onMain lube oil pump-2 offEmer bear oil pump off
Excitation onCh. back
Commands Run-up unit raise
Step Wait Monit20 0 200 s
Step Wait Monit21 2 s 2 s
Step Wait Monit22 2 s 40 s
Step Wait Monit23 0 0
Commands Run-up unit raiseSynchronizing onGen cool water fans # 1-4 onSynchr breaker onCh. back
Commands Run-up unit raiseGen cool water fans # 5-8 on
Commands Run-up unit raiseUnit Auxiliary change over
Speed changer 100%Run-up unit open
Ch. back
Start up sequence complete
Lube Oil System
EHC
Electric Signal from Electric Governor
Hydraulic Signal of Secondary Oil
Actuator ofControl Valve
Control Valve
Orifice MBX 51BP 021
Closing ofFollow-up
piston
Opening ofFollow-up
piston
MBX 26AA 051
MBX 61AA 501
MBX 61CP 501
MBX 61CS 001
MBX 51 BY 002Run Up device
MBX 51BY 001
MBX 20AA 501
MBX 20AA 051
MBX 20BT 001
MBX 21AP 011
MBX 52AA 110
MBX 52BP 011
MBX 52AA 120
MBX 52BP 021
MBX 25BP 022
MBX 26AA 052
Oil from trip oil system at 9 bar
DrainMBV10BB001
Secondary oil for F
uel Oil
Secondary oil for F
uel Gas
diaphragm
Speed set point adjustor
spring
Governor Impeller
Turning Gear Rotor
Lube oil system
Orifice MBX 51BP 011
Hydraulic Governor or Converter
MBX 50BY 001
MBV10 BB001 MBX 25
BP 012
MBX 21AA 051
MBX 21BB 001KA 01
MBX 21BP 001
MBX 21BB 001KA 03
MBX 21 BB 001
MBX 21 BB 001KA 04
MBX 21BB 001KX 01
MBP13 AA001To Gas ESV (See Trip oil drawing)
MBN13 AA001
To FO ESV(See Trip oil
drawing)
MBX 52AA 321
MBX 52CP 521
Nitrogen filling
MBX 21BB 001KA 02
Trip Oil System
MBX 52 AA 512
MBX 52CP 511
Control oil / Booster oil pump
MBN 53 AA001
DrainMBV10BB001
Fuel oil control valve
MBP 13 AA 002
DrainMBV10BB001
Fuel gas control valve
Control oil
Secondary oil
Primary oil
Fuel oil return (controlled)Fuel Gas
MBX 21AA 511
MBX 21CP 511
MBX 21AA 301
MBX 21CP 011
3.1-2000-0100
Control SystemP & I Diagram of Control Oil
To trip oil system at over speed bolt
Drain to lube oil tank
MBX 52BY 011
MBX 25BP 011 EHC for Fuel
Oil Control Valve
MBX 25BP 021 MBX 52
BY 021
DrainMBV10BB001
EHC for Fuel Gas Control Valve
GT 1, 2Safety & Protective Equipment
P & I Diagram Trip Oil
Automatic Trip Gear
Pressure gauge
MBX 41AA 001
Emergency push button
MBX 41GS 511
Solenoid valve remote
trip
MBX 41CP 501
MBX 41AA 501
MBX 35CP 501
MBX 41GS 501
MBA 10 AA 010
MBX 23AA 001
3.1-4000-0100
MBX 41CP 001
MBX 41AA 301
MBX 41AA 302
MBX 41CP 002
MBV10 BB001Lube Oil Tank MBV10 BB001
Lube Oil TankMBV10 BB001Lube Oil Tank
Test system for Overspeed
BoltsMBX 35AX 001
Throttle valve
Overspeed bolts or
Emergency governors
Solenoid valve for
ESV
GAS ESVMBP13AA001
MBP MBP
MBP 13AA 001
MBP 13AA 001A
MBP 13CP 401
MBP 13CP 402
Hydraulic actuator for ESV
MBV10 BB001Lube Oil Tank
Thrust bearing
tripMBA 10CG 011
GT Rotor
MB
V10 B
B001
Change over valveMBV10 BB001
Lube Oil Tank
MBX 22AA 001
Closed Open
Start-up Operation: Ignitioni.e. Step 9 resp. 12
Gas Turbine Trip Release
Shut down ProgramFuel Shut-off i.e. Step 54
No Flame; Over speedCompressor surgingVibrations > limitBearing Temperature HighTurbine Temperature HighLube oil pressure lowExternal Criteria
MBX 41AA 002
MBA 10CG 001
MBA 10CG 002
Self latch piston
Solenoid valve for
ESV
MBN MBN
MBN 13 AA 001
Hydraulic actuator for ESV
MBV10 BB001Lube Oil Tank
MBN 13CP 402
FO ESVMBN13AA001
MBN 13CP 401
1MB
N53 A
A001
Return F
O control valve
1MB
N55 A
A001
Fuel recirculation valve
1MB
N12 A
P011
Fuel injection pum
p
1MB
N13 A
A001 (E
SV
)E
mergency/F
O S
top Valve
Drain to Leak oil
tank
1MB
N70 A
A017
BF
O recirculation valve
Pressure
relief valve
1MBN73 AA0011M
BN
12 AA
021
1MB
N12 A
A031
M1MB
N12 A
A011 (P
urging valve)
Drain to L
eak oil tank
1MBN55 AA003HSD return line
1MBN60 AP001Leak oil pump
1MB
N10 A
A015
HS
D shut‑off valve
1MB
N22 A
A001
Glob valve C
C right
1MB
N21 A
A002
Flushing valve
1MB
N51 A
A001
Return shut off valve
1MB
N21 A
A001
Glob valve C
C left
1MB
N22 A
A002
Flushing valve
1MB
N03 A
P001
High range pum
p
1MB
N01 A
P001
Low
range pump
1MB
N03 A
P002
High range pum
p
1MB
N01 A
P002
Low
range pump
1MBN00 BQ001Inhibitor dosing storage tank
1MB
N70 A
A015
FO
shut‑off valve
HSD incoming
Inhibitor dosing incoming from FOTPs
Mixing cham
ber
GT 1, 2: FO Forwarding, Injection & Inhibitor Dosing system
Leak oil tank
1MBN60 AP002Leak oil pump
M 1MB
N13 A
A003
FO
filling valve
1MB
N20 A
A002
Sol valve leakage line
1MBN10 AA022Isolating valve
Open during HSD operation
1MB
N13 A
A031
1MB
N11 A
A001
heaterI
heaterII
1EGD50 BR030To Injection Skid
Fine Filters
1EGD50 BR040Return Line from Injection Skid
Therm
ometer
Pressure
relief valve
Dosing point
1EGD50 BR010Furnace oil from treated tanks
1EGD50 BR060Furnace oil return to treated tanks
1EGC52 AT001
AT002
2.5 bar 7.0 bar
1EG
C51 A
P001
1EGC51 AT001
AT002
Shut down return valveM
BN
12AA
011S
tartup Pressure lim
it valve
Fuel oil return valve
Flow
Monitor
Right Combustion
Chamber
Left Combustion Chamber
Opens during flushing or FO operation
1EG
C52 A
P001
GT 1,2: Fuel Gas Handling System (Off base)Gas Pressure Reducing, Filtering and Measuring Skid
1EK
E20A
A001
To GT-11EKA20AA2011EKA20AA001 1EKD10AA002
Pressure reducer
1EKD20BP001Gas Scrubber
1EKE10AT002Gas Filter
1EKE10AA002
1EKE10AA003
1EKE10AA004 1EKE10CF001 1EKE10AA007
1EKE10AA005
To GT-22EKA20AA201
2EKD10AA002Pressure reducer
2EKE10AT002Gas Filter
2EKD20BP001Gas Scrubber
2EKE10AA002
2EKE10AA003
2EKE10AA004 2EKE10CF001 2EKE10AA007
2EKE10AA005
MBP 15
AA 002
MBP 15
AA 001
MBP 21
AA 002
MBP 21
AA 001
MBP 21
AA 003
MBP 22
AA 002
MBP 22
AA 001
MBP 22
AA 003
MBP 13
AA 001A GT 1,2 Gas System: On base
MBP13 CP003
1MB
P21 A
A001
Glob valve C
C left
M
Left Combustion Chamber
1MB
P22 A
A001
Glob valve C
C right
M
Right Combustion
Chamber
MBP13AA001Emergency Stop
Valve
MBP13AA002Gas Control
Valve
Orifice in body
MB
P14AA
001Gas from off base system
Strainer Filter
SFC
breaker
Excitation
Motor Converter
Mains Converter
SFC Supply Transformer
MBJ 01
Control Signals
Link choke
The Powerstage of the Start Up System
SFC
Isolator external
Excitation Transformer
MKC 01
11 KV 1.3 KV
Motor Voltage detection
Control Regulation
Main Step-up Transformer
BAT 01
1.3 mH
132KV Circuit BreakerS
FC Isolator internal
11 KV
– 132 KV
GS
045
GS
042
GS
044
132KV Bus Bar B
132KV Bus Bar A
SFC; Static Frequency Converter
Filled Cylinders Empty Cylinders
GT 1, 2Propane Gas Supply as Ignition gas, gas circuit and ignition burner
GT 1, 2Propane Gas Supply as Ignition gas, gas circuit and ignition burner
MB
Q11 A
A511
MB
Q11 A
A001
MB
Q11 A
A021
MB
Q11 A
A022
MB
Q11 A
A031
Ignition gas inlet
1. Nozzle2. Mixing tube3. Ignition electrode4. Ignition flame exit5. Connector for igniter cable6. Air Inlet7. Ignition point
1. Nozzle2. Mixing tube3. Ignition electrode4. Ignition flame exit5. Connector for igniter cable6. Air Inlet7. Ignition point
MBQ11 CP001
MBQ11 CP002
132 KV Breakers