Start-Up in Steps Siemens V94.2 Gas Turbine at KAPCO

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 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





Fuel gas selected

Fuel oil selected



Fuel oil



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



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







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 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

Start-Up in Steps Siemens V94.2 Gas Turbine at KAPCO

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