SPEEDTRONIC Mark VStartup Sequence STARTUP SEQUENCE Power Supply Power supply DC 125V/220V is normal. Power supply AC 115V/230V/400V/6.6KV is normal. All MCC racks are in the position "AUTO". Alarm Messages All critical alarms are cleared and reset. Start Check Signal If & & & & Then If & & & & Then If & & & & & & & & & Then If & & Then A.C. Bus undervoltage is not set or: A.C. Ext. Bus undervoltage relay is not set Customer permissive to start signal is set Compressor inlet thermocouple disagree signal is not set Inlet Guide Vanes (IGV) are in startup pos., 31° < CSGV < 35°. Master protective startup lockout signal is not set Start Check signal #0 is set Minimum speed signal 14HM (10%) is not set Lube oil tank temperature is normal Flame detector trouble signal is normal, i.e. no flame signal is set (Alm 059) Master select is not in position "OFF" Control oil pressure switches (63HL-1, -2, -3, 63HG-1, -2, -3) are depressurized and liquid fuel stop valve 20FL-1 is in closed position Start Check signal #1 is set Compressor bleed valves #1 to #4 are open, 33CB-1 to 33CB-4 Master protective signal "L4" is not set Bleed Heat System Not Operational - Trip signal is not set (Master Reset) Bleed heat feedback normal & Comp Op Limit Bleed Heat Start Ck Perm DLN1 failure to close transfer purge valve is not set Ventilation relief damper are not closed Fire protection system trouble condition is not set Emergency lube oil pump motor 88QE-1 undervoltage is not set DLN1 failure to close xfer purge valve is not set Gen. Breaker earthing switch (Q81) is not closed Start Check signal #2 is set Master protective trip signal is not in TRIP condition Vibration monitoring system (GT and GEN.) is normal (Alm 126) Loss of Compressor discharge pressure bias signal is not set (Alm 066) Start Check signal #3 is set Common Start Check signal is set L27BN L27BZ L3CP L86TCI L3IGVFLT L86MP L3STCK0 L14HM L26QN L28FDSCK L43O L86HD L3STCK1 L86CB L4Y L3BHFT L3BHSTCK L86PGTLO L33CPC L30CC L27QEL L86PGTLO L4GX L3STCK2 L4T L39VD3 L3TFLT L3STCK3 L3STCK (1) (1) (1) (0) (0) (0) (1) (0) (1) (1) (0) (0) (1) (0) (1) (0) (1) (0) (0) (0) (0) (0) (0) (1) (0) (0) (0) (1) (1) Note: The normal conditions of the logic signals are set in round brackets ( ) as logic “0“ or logic “1“. GEEPG A31 Oct01 Taw_StSt_1 1 SPEEDTRONIC Mark V Startup Sequence Ready to Start If & Then If & & Then Common Start Check signal is set Multiple start permissive signal is normal Ready to start signal #1 is set Generator breaker position signal is not in closed condition Auxiliary check signal of the liquid fuel servo-circuits is normal (Alm 136) <RST> LCC voting status conditions are normal (RST controllers ok) Ready to Start signal #2 is set Ready to Start signal is set Display control signal for "Normal Startup" is set Display control signal for "Ready to Start" is set The StartUp display shows Startup Status Ready to Start L3STCK L2FZ L3RS1 L52GX L3ACS L3VOTE_Q L3RS2 L3RS L30D_SU L30D_RS (1) (0) (1) (0) (1) (1) (1) (1) (1) (1) Aux. Permissives to Start If & & & & & Then Normal shutdown signal is not set Generator circuit breaker is not closed Multiple start counter signal is not set (Failure to start, Alm 057) Auxiliary check signal of liquid fuel servo-circuits is normal (Alm 136) Permissive to start signal is set Cranking motor protective lockout signal is not set (Alm 098) Aux. permissive to start signal is set L94X L2G L62TT2 L3ACS L1XX1 L86CRT L1XX (0) (0) (0) (1) (1) (0) (1) Start Signal If & & Then Master select is not in position "OFF" Master select is not in position "COOLDOWN" Start signal from Mark V <I> or from Cable Remote or DCS is set (see note) or: Fast load start signal from <I> or from DCS is set Start signal is set (pulse) L43O L43CD L1START_CPB L1FAST_CPB L1S (0) (0) (1) (1) (1) Note: The Cable Remote contact input signal for the start signal L1START_CPB is CA1STRSEL (see file CBLR_Q.SRC). Startup Permissives If & & & Then Start signal is set Aux. permissive to start signal is set Emergency manual trip is not set (MKV panel or remote, Alm 036 or 209) Mark V internal communication failure is not set (Alm 243) Master control startup permissive is set Display control signal for "Start" is set The StartUp display shows Turbine State Starting The counter for manually initiated starts is incremented The speed control reference TNR is set to 100.2% speed L1S L1XX L5EX L3SFLT L1X L30D_STR L30CMIS L83PRES2 (0) (0) (1) (1) (1) (1) (1) (1) GEEPG A31 Oct01 Taw_StSt_1 2 SPEEDTRONIC Mark V Startup Sequence Auxiliary Systems Fuel gas system If Then If Then If Then Else If Then Fire Indication Trip signal is not set Fuel gas shut off solenoid valve 20FSX is energized (i.e., valve is open) Master control startup permissive is set Auto vent solenoid valve 20PS can be opened/closed by temp signal FTG Fuel gas temp. FTG is above value LK26GLX (15degC) Auto vent solenoid valve 20PS is kept energized (i.e. vent valve is closed) Note: Fuel gas temp. FTG is above min operating temp. Fuel gas temp. FTG is below value LK26GLX • K26GLX (14degC) Auto vent solenoid valve 20PS is deenergized (i.e. valve is opened) Note: The vent valve opens to increase fuel gas temp. FTG L45FTX L20FSX L1X L26GLX L26GLX L20PSX L26GLX L20PSX (0) (1) (1) (1) (1) (0) (0) Turbine Compartment Ventilation If & Then If Then If & Then All Wheelspace temperature values are below LK69TWW (149degC) Master control startup permissive is set Turbine compartment ventilation permissive signal is set (log. 0) Turbine compartment ventilation ON signal (1 hour at flame off) is not set The control signal for the turbine compartment ventilation is set The first turbine compartment ventilation fan is selected as lead The compartment ventilation fan #1 fault signal is not set Master control signal for the turbine compartment ventilation fan #1 is set The selected ventilation fan motor 88BT-1 (or -2) is started. L69TWW L1X L4BTX L4BTSTP L4BT LAG1BT L30BTX1 L4BTZ1 (1) (1) (0) (0) (1) (0) (0) (1) Note: Master control signal for cooling fan #2 is L4BT2. GEEPG A31 Oct01 Taw_StSt_1 3 14hrs. "0") Bearing lift oil pump motor 88QB-1 is started. L62CD L1Z L3SQ MSG_FLD2 (1) (0) (1) (1) (0) (0) (1) L52QA L4QVZ1A L52QB L52TG1 GEEPG A31 Oct01 Taw_StSt_1 4 . solenoid valve 20TU-1 is energized. auxiliaries is enabled (with logic "0") Sequence in progress signal is set Display control signal for "Sequence in progress" is set The StartUp display shows Start Sequencing Sequence in Progress L1X L1Z L3SQ MSG_FLD2 (1) (0) (1) Lube oil system: If Then Master control signal for turb. auxiliaries is enabled (with logic "0") Aux. Bearing lift oil pump motor 88QB-1 is running L63QAL L14HM L4QBZ1 L52QB (0) (0) (0) (1) COOLDOWN is ON before Start: If Then Cooldown is ON (for K62CD hours. Auxiliary lube oil pump motor 88QA-1 is running Lube oil pressure is normal (2 of 3) The lube oil mist separator fan motor 88QV-1 is started L1Z L4QAZ L4QAZ1 L52QA L63QT L4QVZ1A (0) (0) (0) (1) (0) (0) If Then Generator lift oil pump (Jacking oil pump): If & Then Lube oil pressure is not low (63QA-2) Speed level signal 14HM is not set Bearing lift oil pump control signal for motor 88QB-1 is set (log. after flames off) Master control signal for turbine auxiliaries is already enabled (with "0") Sequence in progress signal is set Display control signal for "Sequence in progress" is already set The StartUp display shows Start Sequencing Sequence in Progress The Auxiliary lube oil pump motor 88QA-1 is running The lube oil mist Separator fan motor 88QV-1 is running The Bearing lift oil pump motor 88QB-1 is running The Turning gear motor 88TG-1 is running (when normal cooldown is on) Note: If cooldown had been selected at shutdown condition. 88TG-1 will be off.SPEEDTRONIC Mark V Auxiliary Systems (cont´d) COOLDOWN is OFF before Start: If Then Startup Sequence Master control startup permissive is set Master control signal for turb. control signal for the Auxiliary lube oil pump motor is set (to "0"!) Master control signal for the Auxiliary lube oil pump motor is set (to "0"!) The Auxiliary lube oil pump motor 88QA-1 is started. When 88TG-1 is running. 88QE-1 will be continuously ON. EMERGENCY LUBE OIL PUMP COOLDOWN is ON before Start: The Emergency lube oil pump motor 88QE-1 is in standby The pump motor is started when lube oil pressure low is detected by pressure signal L63QT (2 of 3) or L63QALX (63QA-2. L4QEZ (1) L4QEZ L4QEZ1 (0) (0) GEEPG A31 Oct01 Taw_StSt_1 5 . ON (K4QEON) and 15 min. "0") The flame detection control signal is set The cooling water pump request signal is set The first cooling water pump motor is selected as lead The cooling water pump motor #1 fault signal is not set Master control signal for cooling water pump motor #1 is set (inv. control signal for the Aux. OFF (K4QEOFF). "0") The selected cooling water pump 88WC-1 (or -2) is started. COOLDOWN is OFF before Start: The Emergency lube oil pump motor 88QE-1 is off standby Note: The Emergency lube oil pump motor 88QE-1 is always started when the turbine shaft is rotating (14HR) and lube oil pressure low is detected. 96QA-2). lube oil pump motor is set to on (log. to log. At zero speed condition the emergency lube oil pump is started with a period of 3 min.SPEEDTRONIC Mark V Auxiliary Systems (cont´d) COOLING WATER SYSTEM If or Then If & Then Startup Sequence Aux. L4QAZ L28FDX L4WC LAG1WC L30WCX1 L4WCZ1 (0) (1) (1) (0) (0) (0) Note: Master control signal for motor 88WC-2 is L4WCX2 (not inverted). (As long as the unit is above zero speed. is running) Bearing lift oil pump is running Master protective auxiliary signal is set Turbine shaft speed is not above minimum value (10%) Inverse signal to master protective signal "4" is set Master Protective set signal is set L3RS L4_FB L52QA L1X L63QT L63QB1L L52BTY L52QB L4SX L14HM L4Y L4S (1) (1) (1) (1) (0) (0) (1) (1) (1) (0) (1) (1) Master Protective Trip If & & & & Then Protective status trip signal is normal Pre ignition trip signal is normal Post ignition trip signal is normal Starting device trip signal is normal Inlet guide vane control trouble trip signal is normal Master protective trip signal is normal L4PST L4PRET L4POST L3SMT L4IGVT L4T (0) (0) (0) (0) (0) (0) Master Protective "4" Signal If & & Then Master protective set signal is set (pulse) Master protective trip signal is normal (i. GEEPG A31 Oct01 Taw_StSt_1 6 . no trip condition is set) Fired shutdown trip signal is normal Master protective "4" signal is set L4S L4T L94T L4 (1) (0) (0) (1) Each protection group is described on the following pages.e.SPEEDTRONIC Mark V Startup Sequence Master Protective Set Signal If & & & & & & & Then & & Then Ready to start signal is set TCEA 4 relay circuit status is normal The Auxiliary Lube oil pump motor 88QA-1 is running Master control startup permissive is set Lube oil pressure trip signal is normal (2/3-voting) Bearing lift oil pump pressure is not low Turbine compartment ventilation is on (88BT-1 or -2. GTV) Multiple start counter is not set Auxiliary check signal of servo-circuits (liquid or gas fuel) is normal Emergency lube oil pump motor 88QE-1 undervoltage is not set Pre Ignition Trip auxiliary signal is normal Flame detection signal is not set (before firing) Pre Ignition Trip signal is normal L3LFLT L3GFLT L62TT2 L3ACS L27QEL L4PRETX L28FDX L4PRET (0) (0) (0) (1) (0) (0) (0) (0) GEEPG A31 Oct01 Taw_StSt_1 7 . GSV. SRV.SPEEDTRONIC Mark V Startup Sequence Protective Status Trip Signal If & & & & & & Then If & & & & & & Then If & & & & & Then If & Then Low lube oil pressure trip signal is normal Fire Protection system trip signal is in normal condition (no fire condition) Generator differential protection trip lockout signal is not set TCEA 4 relais circuit status (ext trip) is normal Exhaust Pressure High Trip signal is not set Emergency trip pushbutton Mark V panel and remote is not set Protective Status Trip #1 is normal Vibration trip signal is normal Startup fuel (gas or liquid) flow excessive trip signal is normal HP speed signal fault of protective speed inputs is not set Liquid fuel control fault is not set On Liquid fuel: Liquid fuel supply pressure low is not set On Gas fuel: Gas Scrubber #1 Level High .Trip is not set Customer trip signal 4CT is not set Protective Status Trip #2 is normal HP Conrol speed signal loss trip is not set Control speed signal trouble trip signal is not set Protective speed signal trouble trip signal is not set TCEA HP Overspeed Protection trip signal is not set TCEA HP Excessive Acceleration trip signal is not set Gas fuel nozzle purge system trouble trip signal is not set Protective Status Trip #3 is normal Mark V internal communication failure is not set (Alm 243) Gas control valve "not following reference trip" is not set Protective Status Trip #4 is normal Protective Status Trip signal is not set L63QTX L45FTX L86TGT L4_RLYT L63ETH L5EX L71PF2H L4PSTX1 L39VT L2SFT L12H_FLT L3LFLT L63FLX1 L71GHHX L4CT L4PSTX2 L12HF L12HFD_C L12HFD_P L12H_P L12H_ACC L94PGT L4PSTX3 L3SFLT L86GCVT L4PSTX4 L4PST (0) (0) (0) (0) (0) (0) (0) (1) (0) (0) (0) (0) (0) (0) (0) (1) (0) (0) (0) (0) (0) (0) (1) (0) (0) (1) (0) Pre Ignition Trip Signal If or & Then If Then & Then On Liquid fuel: Liquid fuel control fault is not set On Gas fuel: Gas fuel control fault is not set (for GCV. SPEEDTRONIC Mark V Startup Sequence Post Ignition Trip signal If & & & & & & & & Then If & & & & Then Note: 1) 2) Control oil press switch signals for liquid fuel (2 of 3) are not low 1) Control oil press switch signals for gas fuel (2 of 3) are not low Lube oil header temp.) On gas fuel: Primary gas fuel purge valve is closed Post ignition trip auxiliary signal is normal Loss of flame trip signal is not set (after firing) High exhaust temperature spread trip signal is not set Exhaust overtemperature trip signal is not set Exhaust thermocouples open trip signal is not set Compressor bleed valves are open during startup (up to 52GX close) Post Ignition trip signal is normal 1) 2) L63HLL L63HGL L26QT L12H L4DLNT LCPRERR L30BTT L30LOT L33PGT L4POSTX L28FDT L30SPT L86TXT L86TFB L86CBT L4POST (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) Conditions are monitored when flame signal is set and firing time is complete. DLN Trips If & & & Then If & & & Then Then Alarm 311: "FAILURE TO LEAVE SEC TRANSFER-TRIP" is not set Alarm 314: "FAILURE TO REIGNITE PRIMARY ZONE-TRIP" is not set Alarm 316: "FAIL TO REIGNITE PRIM-IN SEC L.TRIP" is not set Alarm 227: "GAS TRANSFER VALVE TROUBLE . Condition is monitored when 14HS speed level is reached. is not in trip condition (LTTH < K26QT.-TRIP" is not set Alarm 319: "FAILURE TO LEAVE PREMIX XFER .) Bearing drain temperature high high condition is not set (opt. 79degC) Turbine electrical overspeed trip signal is not set DLN System trouble trip signal is not set (see conditions below) Compressor press ratio operating limit condition is not set Bearing metal temperature high high condition is not set (opt.R.TRIP" is not set Liqud fuel and Water injection purge common trip signal is not set Alarm 066: " LOSS OF COMPR DISCH PRESS BIAS" is not set DLN-protection circuit 2 is normal DLN-protection circuit 1 & 2 ist normal L94FX1 L94FX2 L94FX3 L94FX4 L4DLNT1 L86GSVT L86GTVT L86P_FLT L3TFLT L4DLNT2 L4DLNT (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) GEEPG A31 Oct01 Taw_StSt_1 8 .TRIP" is not set DLN-protection circuit 1 ist normal Alarm 224: "GAS SPLITTER VALVE TROUBLE . the Startup Programme continues. When all protection circuits are normal.SPEEDTRONIC Mark V Startup Sequence Starting Means Trip Signal If & & Then Note: 1) Starting motor running signal is not lost after starting 1) Cranking motor protective lockout signal is not set from MCC Starting device bogged down (loss of speed) signal is not detected Starting means trip signal is not set 1) 2) L52CR L86CRT L60BOG L3SMT (1) (0) (0) (0) This trip condition is possible when the turbine is started and the turbine speed TNH is below speed level 14HA (50%). This condition is monitored above the speed level 14HS (TNH ≥ 95%). GEEPG A31 Oct01 Taw_StSt_1 9 . Inlet Guide Vane Control Trouble Following function is active below 14HS signal: If & Then Note: Note: The IGV position is following the reference CSRGV (error is < 7.5DGA) 2) The IGV angle CSGV is greater than 50DGA Inlet Guide Vane control trouble trip signal is not set 1) 2) 1) L86GVT L4IGVTX L4IGVT (0) (0) (0) This condition is monitored up to the speed level 14HS (TNH < 95%). 2) This condition is monitored up to the speed level 14HS (TNH < 95%). Note: The L3SMT Trip is not possible at STOP condition. Master Control signal for the atomizing air booster motor is set Atomizing air booster motor 88AB-1 is started. The HSD fuel forwarding stop solenoid valve signal is set HSD fuel forwarding stop solenoid valve 20FD-1 is energized. On Liquid Fuel: Liquid fuel is selected Transfer signal to gas fuel is not set Compressor water washing is not selected Fuel forwarding pump control signal is set Master Control signal for the selected Fuel forwarding pump is set (#1) HSD fuel forwarding pump 88FD-1 (or -2) is started. value for the torque converter guide vane control is set to TMKGV_4 The torque converter adjuster motor 88FM is started The adjuster motor 88FM is stopped when TMKGV_4 is set Note: The deadband value for the guide vane control is 3 DGA (TMKGVDB). 68 DGA) Ref. On Gas Fuel: If & & Then Gas fuel is selected Transfer signal to gas fuel is set Master Protective "4" signal is set Gas Fuel Stop Valve Control Signal is set Gas fuel stop valve solenoid 20FG-1 is energized (<P>) Note: Fuel gas shut off valve 20FSX is always opend when fire indication trip signal is not set.SPEEDTRONIC Mark V Startup Sequence Starting Master Protective "4" signal is set Display control signal for "Status Starting" is set The StartUp display shows Startup Status Starting Auxiliary hydraulic oil pump control signal is set Auxiliary hydraulic oil pump motor 88HQ-1 is running Turning gear motor control signal is reset and motor stopped Turning gear motor 88TG-1 is not running Torque converter max. torque control signal is set (TMKGV_4. L43FG L43FTG L4 L20FGX L20FG1X (1) (1) (1) (1) (1) L4 L30D_STG (1) (1) L4HQZ L52HQ L4TG1X L52TG1 L83TM4 TMGVCV1 L4TMR L4TMR (0) (1) (0) (0) (1) (1) (0) L43L L43FTG L43BWX L4FD L4FD1 L20FDX (1) (0) (0) (1) (1) (1) (1) L4AB GEEPG A31 Oct01 Taw_StSt_1 10 . control signal to the cranking motor is set Master control signal for the cranking motor is set (4 sec pulse) Cranking motor 88CR-1 is started. Cranking motor 88CR-1 is running L14HM L4Y L14HC L14HSX L4CRX L94X L26CRXH L48CR L4TG L4CR1 L4CR L52CR (0) (0) (0) (0) (0) (0) (0) (0) (0) (1) (1) (1) GT Break away If & & & Then Turbine vent timer signal is not set Cranking motor running signal is on for 2 sec Turbine shaft failure to break away signal is not set Auxiliary cranking speed signal is below 60% (TNK14HC1) Torque converter fill/drain solenoid valve 20TU-1 is energized The torque converter is on maximum torque.31% .14HRZ L14HR (0) L2TV L52CRZ L48CR L14HC L20TU1X (0) (0) (0) (0) (1) GEEPG A31 Oct01 Taw_StSt_1 11 . signal to 14HS (operating speed signal) is not set Cranking motor start signal is set Normal shutdown (stop) signal is not set Cranking motor temperature high signal is not set Turbine shaft failure to break away signal is not set Turning gear motor control signal is not set Aux. The turbine shaft breaks away (TNH ≥ TNK14HR2.06% to 0.31%) Display control signal for "speed level 14HRZ" is set The StartUp display shows Speed Level 0.SPEEDTRONIC Mark V Startup Sequence Cranking Motor Start If & & & Then If & & & Then Minimum firing speed signal is not set Master protective timer signal is reset Auxiliary cranking speed signal is below 60% (TNK14HC1) Aux. 0. Firing torque converter guide vane angle Turb. Turning Gear torque conv guide vane angle Turb. 2001): Const TMKGV_1 TMKGV_2 TMKGV_3 TMKGV_4 K2TV K2WZ K2W Value 50 15 43 68 11 2 60 Unit DGA DGA DGA DGA min sec sec Description Turb.SPEEDTRONIC Mark V Startup Sequence Torque Converter The startup control function of the Torque converter is shown in the following diagram. Vent torque converter guide vane angle Turb. L20TU1X L14TMFZ L2TV TNH End of warmup K2W K2WZ Purge time = K2TV Flame Firing 12 % 10% TIME Settings for Taweelah (Oct. Max Torque torque conv guide vane angle Turbine air purge timer Flame detector timer signal (88TM off) Turbine warmup timer GEEPG A31 Oct01 Taw_StSt_1 12 . 100 % 90 TNH TAKN5 TAKN4 80 70 TAKN3 60 TTXM TAKN2 40 TAKN1 30 50 20 FSR 10 0 fire purge warm up TIME accelerate TNHAR TAKL3 TAKL4 TAKL2 TAKL1 TAKL5 TAKN1 TAKN2 TAKN3 TAKN4 TAKN5 TNH GEEPG A31 Oct01 Taw_StSt_1 13 .SPEEDTRONIC Mark V Startup Sequence Startup Diagram The diagrams below show a typical startup with purge time and controlled acceleration. SPEEDTRONIC Mark V Startup Sequence GT Cranking The turbine speed increases. 11min.14HM The auxiliary run permission for the oil mist separator fan is set The oil mist separator fan motor 88QV-1 is started Bearing lift oil pump control signal for motor 88QB-1 is reset (log.) The master control signal for the torque adjuster drive motor is set The control signal for turbine firing torque is set The torque adjuster is set to the turbine firing torque value (15DGA) The torque converter fill/drain solenoid valve 20TU-1 is deenergized The turbine speed will drop to the firing value (10 . The turbine speed TNH reaches 4. 1 for off) The bearing lift oil pump motor 88QB-1 is stopped L4QV1X L4QVZ1 L4QBZ1 L52QB (0) (0) (1) (0) L14HM (1) GT Purge The torque converter control signal is set The torque converter is set to the turbine purge value TMKGV_1 (50DGA) The turbine speed TNH is above 10.0% (TNH ≥ TNK14HP1) Display control signal for "speed level 14HP" is set The StartUp display shows Speed Level 3.0% .14HT Display control signal for "Cranking" is set The StartUp display shows Startup Status Cranking Turbine compressor solenoid valve 20TV-1 is energized L30D_CRN L20TV1X (1) (1) L14HT (1) L14HP (1) Minimum Speed The turbine speed increases.4% (TNH ≥ TNK14HT1) Display control signal for "speed level 14HT" is set The StartUp display shows Speed Level 6. If Then The turbine air purge time is complete (K2TV. The turbine speed TNH reaches 10. L2TV L4TM L83TM2 TMKGV_2 L20TU1X (1) (1) (1) (0) GEEPG A31 Oct01 Taw_StSt_1 14 .0% .4% .0% to 8.3% to 4.14HP The turbine speed TNH reaches 8.0% (TNH ≥ TNK14HM1) The vent timer permissive signal is set The unit is not in Off or Crank mode Turbine multiple start and refiring signal is not set L83TM1 TMGVCV1 L14HM L3TVP L43O_C L62TT L2TV (1) (1) (1) (0) (0) The turbine air purge timer circuit is started (K2TV. 11min.0% (TNH ≥ TNK14HM1) Display control signal for "speed level 14HM" is set The StartUp display shows Speed Level 9.12%).) During purge time the turbine speed increases to approx 20%.5% to 10. -2. -3) are monitored On Liquid fuel: The liquid fuel stop valve control signal is set The liquid fuel stop solenoid valve signal is set The liquid fuel solenoid valve 20FL-1 is energized (<P>). turbine) is not in closed position Fuel flow divider motor (88FM) is started for 5 sec. control signal is set (15 sec TD to L20FLX) Control oil pressure switches for liquid fuel (63HL-1.SPEEDTRONIC Mark V Startup Sequence Firing If Then The turbine speed TNH drops below TNK14TM2 (12%) The firing speed auxiliary logic signal is set The firing permissive signal is set The torque converter fill/drain solenoid valve 20TU-1 is energized The ignition permission signal is set The ignition transformers (95SG-11. -3) are monitored Note: FQROUT is set to: FSR1 • TNH/100%. The fuel reference value FQROUT is set to firing value (see note) The LFBV closes dependent on FQROUT The liquid fuel aux. 2 L2F L83SUFI (1) (1) (1) (1) (1) (1) (1) L30F_SU (1) L3GCV L3GRV FPRGOUT FPRGV2 L83SUFI FSROUT FSROUTV2 FSRXGSV2 L20FGZ L63HGL_SENSR (1) (1) (1) (1) L20FLX L20FL1X L63FL2L L63FLX1 L33FL2O L20CF1X L33FL1C L4FM FQROUT FQROUTV2 L20FLZ L63HLL_SENSR (1) (1) (0) (0) (1) (1) (0) (1) (1) GEEPG A31 Oct01 Taw_StSt_1 15 . L14TMF L14TMFZ L2TVZ L20TU1X L2TVX L2TVX1. control signal is set (15 sec TD to L3GCV) Control oil pressure switches for gas fuel (63HG-1. Liquid fuel pressure is not low Distillate fuel supply pressure low signal is not set Liquid fuel stop valve (20FL-1. -2. 12) are energized The ignition timer is started (K2FGAS is 10sec. K2FLIQ is 30sec) Display control signal for "Ignition" is set The StartUp display shows Startup Status Firing Display control signal for "FSR Startup control" is set The StartUp display shows Fuel Control Startup On Gas fuel: Gas Fuel Stop Valve Open permissive signal is set Gas Ratio Valve Open permissive signal is set The reference value FPRGOUT for the SRV is set to the firing value The SRV opens and is controlling the pressure FPG2 for firing FSR is set to the ignition value FSKSU_FI • CQTC The reference value FSROUT for the GCV is set to FSR2 The GCV opens and is controlling the valve position for firing The gas splitter valve GSV is in primary position (FSRXSR is 100%) The gas fuel aux. turbine) is in open position Liquid fuel magnetic clutch solenoid is energized Liquid fuel stop valve (20FL-1. FSR1 = FSKSU_FI• CQTC. . See the following chapter.. The next step in the startup sequence is WARMUP In case the flame signals are not detected (2 of 4) the unit is in the condition "FAILURE TO IGNITE"...SPEEDTRONIC Mark V Startup Sequence Flame Detection If Then Prim Flames are detected in two of four comb chambers 1. L28FD L28FDA . L28FDA. 3 and 14 Firing is successful (two of four flames are required) Display control signals for "Flames" are set The StartUp GT/Gen schematic display shows two or more flames.. The master flame signal is set Note: Below 14HS speed. B. (1) (1) (1) (1) L28FDX GEEPG A31 Oct01 Taw_StSt_1 16 . flames are allowed to flicker for < 1sec. 2. L43R L2FZ L62TT C62TT2 L2TV L2FZ (1) (1) (1) (0) (0) L43O_C L2TV L43O_C (1) (0) (0) L2F L28FD L30FD_ALM L2TVX L2TVX1. Liquid fuel magnetic clutch solenoid is deenergized The fuel reference value FQROUT is set to -25% The LFBV opens fully.8bar) The SRV is closed. control signal is reset (15 sec TD to L20FGX) On liquid fuel: The liquid fuel stop valve control signal is reset The liquid fuel stop solenoid valve signal is reset The liquid fuel solenoid valve 20FL-1 is deenergized. The gas fuel aux. In REMOTE mode The purge and firing sequence will be automatically repeated one time: The unit is in REMOTE mode The multiple start permissive signal is set Turbine multiple start and Auto refire signal is set The multiple start counter is increased by one count The turbine ventilation timer circuit is reset The multiple start permissive signal is reset The sequence continues with GT PURGE. 12) are deenergized Display control signal for "Ignition" is reset Display control signal for "Cranking" is set The StartUp display shows Startup status Cranking Display control signal for "FSR Startup control" is reset The StartUp display shows Fuel Control On Gas fuel: Gas Fuel Stop Valve Open permissive signal is reset Gas Ratio Valve Open permissive signal is reset The reference value for the SRV is set to FPKGSD (-2. the unit will be tripped.SPEEDTRONIC Mark V Startup Sequence Failure to Ignite If & Then The ignition timer reaches the end of the ignition time (K2FGAS. Important: If the second firing is not successful. FSR is set to zero The GCV is closed. In LOCAL mode It is possible to reactivate the purge and firing sequence manually: Set the operation mode function to OFF or CRANK mode Turbine ventilation timer circuit is reset Reselect the operation mode FIRE or AUTO The sequence continues with GT PURGE. 2 L83SUFI L30D_CRN L30F_SU (1) (0) (1) (0) (0) (0) (1) (0) L3GCV L3GRV FPRGOUT L83SUFI FSROUT L20FGZ (0) (0) (0) (0) (0) (0) (0) L20FLX L20FL1X L20CF1X FQROUT GEEPG A31 Oct01 Taw_StSt_1 17 . K2FLIQ) The flame signal is not set (no flame signal or only one flame is detected) Alarm message FAILURE TO IGNITE is set The ignition permission signal is reset The ignition transformers (95SG-11. 11%/sec (TAKL1). 60sec) is complete Startup FSR accelerate fuel command is enabled FSRSU is increasing with a rate of FSKSU_IA (0. controller Display control signal for "FSR acceleration control" is set The StartUp display shows Fuel Control Acceleration-HP The turbine is accelerated with the acceleration rate TNHAR. (1) (0) (1) (0) (0) (0) L4TKZ1 L4TKZ2 L4VGZ1 Acceleration The warmup timer circuit (K2W. 60sec) The fired hours timer is started The flame detector timer is set with 2 sec time delay to L28FDX The master control torque adjuster signal is reset The control signal for maximum converter torque is set The torque adjuster is set to maximum converter torque (68DGA) The torque converter fill/drain solenoid valve 20TU-1 is already energized.05%/sec) Display control signal for "FSR Startup control" is still on The StartUp display shows Fuel Control Startup Display control signal for "accelerating" is set The StartUp display shows Startup Status Accelerating Acceleration control is on when the turbine reaches an acceleration value TNHA of 0. 12) are deenergized The fired starts counter is incremented Exhaust frame cooling fans Turbine exhaust frame cooling fan motor 88TK-1 is started Exhaust frame cooling fan motor 88TK-2 is started with 10sec time delay Load Compartment Ventilation The load compartment ventilation is enabled with flame signal The load compartment fan motor 88VG-1 is started. FSRACCV1 L30F_ACN (1) GEEPG A31 Oct01 Taw_StSt_1 18 . L2W L30FT_T L2WZ L4TM L83TM4 TMKGV_4 L2F L2TVX1. the maximum acceleration value is 0.11 %/sec (TAKL1). The initial acceleration value is 0. 2 L30CFS (1) (1) (0) (1) The ignition timer circuit (K2FGAS. TAKL4). which is varying with the turbine speed TNH. L2W L83SUAR FSRSUV1 L30F_SU L30D_ACN (1) (1) (1) (1) Fuel stroke reference FSR is controlled by the accel. K2FLIQ) is complete The ignition transformer (95SG-11.SPEEDTRONIC Mark V Startup Sequence Warmup The master flame signal is detected Display control signal for "Warmup" is set The StartUp display shows Startup Status Warmup L28FDX L83SUWU (1) (1) The warmup timer circuit is started (K2W.31%/sec (TAKL3. 14HS The Auxiliary lube oil pump motor 88QA-1 is switched off The Auxiliary hydraulic oil pump motor 88HQ-1 is switched off Field Flashing HP speed is at field flashing speed setpoint.0% (K14QB) The turbine speed TNH reaches 50. 82% (TNHCOR) the IGV´s are opened from 34DGA to 57DGA (if bleed heat is set to Off) The turbine speed TNH reaches 95. L4CR1 L4CR_OFF L20TU1X (0) |0| (0) (0) L14HC (1) L4AB Operating Speed At a turbine speed of approx. The torque converter fill/drain solenoid valve 20TU-1 is deenergized On liquid fuel: The Master control signal for the atomizing air booster motor is reset The atomizing air booster motor 88AB-1 is stopped.SPEEDTRONIC Mark V Startup Sequence Selfsustaining speed The turbine speed reaches 26. 95% (TNH ≥ TNK14HF1) Field flashing is enabled for 5sec (K2GFF1) Combustion monitor function is enabled (14HS + 60s) CSRGVPSV1 L14HS (1) L4QAZ L4HQZ L14HF L41FX L83SPM (1) (1) (1) (1) GEEPG A31 Oct01 Taw_StSt_1 19 .0% (TNH ≥ TNK14HA1) Display control signal for "speed level 14HA" is set The StartUp display shows Speed Level 40% to 50% .14HC The cranking motor start signal is reset The cranking motor OFF-signal is set to zero for 4 sec Cranking motor 88CR-1 is stopped.0% (TNH ≥ TNK14HC1) Display control signal for "speed level 14HC" is set The StartUp display shows Speed Level 50% to 60% .0% (TNH ≥ TNK14HS1) Display control signal for "speed level 14HS" is set The StartUp display shows Speed Level 94% to 95% .14HA This speed value is called "Selfsustaining" speed. L14QB L14HA (1) (1) Cranking Motor Stop The turbine speed TNH reaches 60. The speed control circuit takes over the control of FSR The acceleration phase is completed. Display control signal for "FSR control" is changing to speed control The StartUp display shows Fuel Control Speed-Droop FSRNV3 L30F_ND (1) Complete Sequence If & & & & & Then Emergency lube oil pump motor 88QE-1 is not running Auxiliary hydraulic oil pump motor 88HQ-1 is not running Auxiliary lube oil pump motor 88QA-1 is not running Speed control-circuit FSRN is in control of FSR Turbine is at operating speed L72QEZ L52HQ L52QA L30F_ND L14HSX L94X L3 L30D_RUN L30D_FSN (1) (0) (0) (1) (1) (0) (1) (1) (1) STOP-signal is not set Turbine complete sequence signal is set Display control signal for "normal run status" is set Display control signal for "status full speed no load" is set The StartUp display message Startup Status Accelerating is deleted and the message Run Status Full Speed No Load is shown Sequence in progress signal is reset Display control signal for "Sequence in progress" is reset The message Start Sequencing Sequence in Progress is deleted and the message Misc.SPEEDTRONIC Mark V Startup Sequence Full Speed No Load The turbine speed reaches 100. L28FD_ALM L52SXA L52GCX L70RX4 L70LX4 L30WSAV1 L27BN_ALM L2SPMB2 GEEPG A31 Oct01 Taw_StSt_1 20 . "BUS UNDERVOLTAGE . When L2SPMB2 is logic "1". The unit is ready for Synchronization.NO AUTO SYNCH".2% (TNKR7). see Note) Note: During startup TTXSPL is increased by TTKSPL8 (111degC). monitoring is set to operating condition Alm 144. Status is shown L3SQ MSG_FLD2 (0) The monitoring of the four flame detectors is enabled Auto synchronizing local permissive signal is enabled Dead bus generator closure signal is enabled (if L27BZ is "1") Local manual speed/load raise command pushbutton is enabled Local manual speed/load lower command pushbutton is enabled The wheelspace temp. TTXSPL is reduced to the actual (calculated) value. is enabled Combustion monitor spread bias function is enabled (L3 + 60s. permissive is set (DF 48 .. 51 Hz) Bus frequency is in the normal range (SFL 48 . voltage is adjusted with raise/lower pulse signals Turbine speed is adjusted to match the bus frequency Gen./freq. . º ÄÄÄÄÄÄÄÄÄÄÄÄÄÅÄÄÄÄÄÄÄÄÄÄ¿ . .. Command .5%) TCEA auto synch permissive signal is set (CDB -> TCEA) Synch. ³ º º ÄÄÄÄÄÄÄÄÄÄÄÄÄÅÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ . ³ 125V º <P> MAN Synch. . command (ext. .) ³ º ³Breaker ³ DC Ä×ÄÄoÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ º ³Gen/Line³ º º ÀÄÄÄÄÂÄÄÄÙ º <P> º ³ ÀÄÄÄÄ×ÄÄoÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ×ÄÄÄÄÄÄÄÄÄÄÄÙ ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ <Q>-Function If or & & Then Automatic synchronization mode is selected (GCP. ³ <P> º . 43S/CS/AUTO) Remote mode is selected (Modbus or Cable Remote) Local control mode is selected (Local <I> or Cable Remote) Dead bus generator breaker closure is not set Gen. ³ º Permissives and º ³ . check aux.. ³ º Ext. L3SVL... 51 Hz) Auto synch permissive is set (Volt. ³ º Interlocks º <P> ³ . ÚÄÄÄÄ×ÄÄoÄÄÄÄÄÄÄÄÄÄÄÅÄÄÄÄÄÄÄÄÄ´ ÃÄÄÄ´ ÃÄÄÄÂÄÄÄ´ ÃÄÄÄÅÄÄÄÄÄÄÄÄÄÄÄÄÄÄoÄÄ×Ä´ ÃÄÄÄ´/ÃÄ¿ º ³ 25 25P ³ 25X ³ º ³ + º ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÅÄÄÄÄÄÄÄÄÄÙ º ÚÄÄÄÄÁÄÄÄ¿ º ³ º ³Circ. . +1.. 2 L86S L52SXA L3DV L25P L3SVL L2S L25X_PERM L52Z L3Df L3SFL L3SYNC L27BN L69TNM L90VMR/L L60TNMR/L L3DV_ERR L83AS L3Z (1) (1) (1) (1) (1) (1) (1) (1) (1) (0) (0) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) ! ! GEEPG A31 Oct01 Taw_StSt_1 21 .SPEEDTRONIC Mark V Startup Sequence Synchronization The following block diagram shows the conditions for manual and automatic synchronization. frequency synch.. . ³ º º L25 <P> ³Synch. to bus voltage differential is in range (0% . Ok. L3DV.. K3Z) L43S_AUTO L43R L43LOCAL L52GCXZ L43SAUT_PRST L83AUTO_PERM L83AUTSYN L52SX L2GFF2 L30AS1. Breaker Automatic synch state is selected Auto synchronizing permissive is set Permissive signal to auto synch timer signal is set (field flashing) TCEA synch lockout signals are not set Auto synchronizing lockout signal is not set Auto synch signal local is set (set with L3) Gen. check permissive (25X) signal is set (RST.. . IOMA) Auto synchronize enable signal is set Gen. permissive is set (DV is 84% . timer is started (45 sec. ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ» º Mark V Synchronization º º ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ º º ³ <P> Modul (Relay Card) ³ º º ³ ³ º º L25X <RST> ³Sync Check ³ º º ÄÄÄÄÄÄÄÄÄÄÄÄÄÅÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ³ º º L25P <RST> ³Sync Permission . timer signal is set (L25P plus time delay K2S) Synch. permissive signal 25P for <P> is set (TCQA -> TCEA) Bus voltage (system voltage) is in range for synch (SVL is 83% .. voltage synch. L3SFL. L3DF) Bus undervoltage relay is normal (no undervoltage) Auto synch speed matching permissive signal is set Gen. breaker automatic synch state is preselected Auto synch selection permissive is set Gen. 110%) Synch. 110%) Synchr. The main synchronizing signal "25" in <P> is set The Generator circuit breaker is closed L30D_SYN (1) L25X L25 L52GX (1) (1) Display control signal for "Start" is reset (30 sec after 52G is closed) is shown The StartUp display message Turbine State L30D_STR (0) GEEPG A31 Oct01 Taw_StSt_1 22 . CB will be set for at least 12 cycles. internal) <P>-Function 1.3Hz. 3. CB is given.and frequency-difference have to match the synchronization-window (<0.3Hz. Phase.SPEEDTRONIC Mark V Synchronization (cont´d) Startup Sequence Display control signal for "Synchronizing" is set The StartUp display shows Run Status Synchronizing <Q> IOMA Settings: Phase differential limit is set to < ±10 degrees. The "on"-command for the Gen. <10 degrees). IOMA Synch check relay status signal is set (RST to P. Frequency diff limit is set to < ±0. 2. Before the closing command for the Gen. the The Generator has to be overexcited for 10 successive cycles. 4% TNR is increasing with the "AUTO load rate" (typ. Display control signal for "Spinning Reserve" is set The StartUp display shows Run Status Spinning Reserve The value for Spinning Reserve can be adjusted via constant LK90SPIN (Display Control Constants Adjust).0% to approx. FSR is always controlled by the speed-/load control-circuit FSRN Display control signal for "FSR control" is still indicated The StartUp display shows Fuel Control Speed-Droop The Generator load DWATT reaches the minimum load value LK90SPIN.) Note: The load rate is to be seen as "%TNR/min. 0. 100. L30D_SPN (1) L70RX5 L70R (0) (0) L30D_LD (1) L52GX L20CBX L20CB1X (1) (1) (1) (1) MW % % % % (1) (1) (1) % L20AB1X DWATT DWDROOP TNRV1 TNRLV3 FSRNV3 L90LV2 L90LR L70RX5 L70R TNRV1 TNKR1_4 FSRNV3 L30F_ND (1) GEEPG A31 Oct01 Taw_StSt_1 23 . The aux. If no load mode is selected the unit is loaded automatically to Spinning Reserve. raise signal for setpoint TNR is reset The master raise signal for setpoint TNR is reset The loading is stopped.SPEEDTRONIC Mark V Startup Sequence Spinning Reserve After closing of the Gen. raise signal for setpoint TNR is set The master raise signal for setpoint TNR is set Setpoint TNR is increasing from 100. circuit breaker the turbine speed is 100%. Atomizing air booster solenoid 20AB-1 is energized The Generator load is measured with 3 transmitters DWDROOP (load value in %) is calculated with DWATT The speed reference value TNR is the load reference value Reference value for the speed-/load control-circuit is TNRL FSR is controlled by the speed-/load control FSRN The load control circuit compares DWATT with the spinning reserve value LK90SPIN (typ." Display control signal for "Loading" is set The StartUp display shows Run Status Loading For all load conditions below base load.0MW) The load control circuit sets the RAISE signal for TNR The aux. The Generator circuit breaker is closed Compressor bleed valve control signal is set Compressor bleed valve solenoid 20CB-1 is energized The bleed valves are closed.33%/min. 5. raise signal for TNR is reset The master raise signal for setpoint TNR is reset Display control signal for "Preselect Load" is set The StartUp display shows Run Status Preselect Load Note: If DWATT deviates from the adjusted load setpoint value for > LK90DB2 (2.33%/min. The aux.25MW).adjusted.66%/min. L70RX5 L70R L30D_PS (0) (0) (1) SC43LOAD L83PS L83AM L90LV2 L90LR L70RX5 L70R TNKR1_4 L30D_LD (1) (0) (1) (1) (1) (1) GEEPG A31 Oct01 Taw_StSt_1 24 . 0. ±0.25MW) the RAISE command is reset. Load mode "Preselected Load" is set from <I> or from DCS Display control signal for "Preselected Load" is set The StartUp display shows Turbine State Preselect The load control is set to automatic The load control circuit compares DWATT with the preselected load setpoint value L90PSEL The load control circuit sets the RAISE signal for TNR The aux. from the Generator Control Panel (GCP) or from cable remote The master raise signal for setpoint TNR is set The load control is set to manual mode TNR is increasing with the "manual load rate" (typ.) Display control signal for "Loading" is set The StartUp display shows Run Status Loading When the adjusted load setpoint value is reached (± LK90DB1.) Display control signal for "Loading" is set The StartUp display shows Run Status Loading When the load adjustment is done: The master raise signal for setpoint TNR is reset Display control signal for "Part Load" is set The StartUp display shows Run Status Part Load L70RX4 L70R L83AM TNKR1_2 L30D_LD (1) (1) (1) (1) L70R L30D_PLD (0) (1) Preselected Load Important: Before activating the load mode "Preselected Load" the actual setting of the load setpoint must be checked and -if required. raise signal for TNR is set The master raise signal for setpoint TNR is set TNR is increasing with the "AUTO load rate" (typ. RAISE/LOWER signals are set to adjust DWATT to the setpoint value (± LK90DB1.SPEEDTRONIC Mark V Startup Sequence Manual Loading If Then A manual raise command is given from the Mark V <I> or from DCS.0MW). 0. ±0. At Base load the IGV are fully open to 84°. when the exhaust temperature has reached 371°C (approx. Control mode "IGV TEMPERATURE CONTROL ON" is selected The IGV are kept at 57° during loading until the exhaust temperature TTXM has reached the exhaust temperature limit value TTRXB. L83TVON_CMD (1) L83TVON_CMD (0) GEEPG A31 Oct01 Taw_StSt_1 25 . Control mode "IGV TEMPERATURE CONTROL OFF" is selected The IGV are opening during loading from 57° to 84°. Important: For all DLN operation modes the IGV temperature control mode should always be set to IGV Temp Control mode "ON". the IGV are opening up to full open position. This control mode is called Combined Cycle (CC) mode. When the loading continues. This control mode is called Simple Cycle (SC) mode. at 35% load).SPEEDTRONIC Mark V Startup Sequence IGV Control Two modes of operation are possible. The Unit is at Base Load. reaches the base load value TTRXB.33%/min. SC43LOAD L83B L83AM L83RMAX L90LV2 L90LR L70RX5 L70R TNKR1_4 L30D_LD (1) (0) (1) (1) (1) (1) (1) L70R (0) FSR is controlled by the Temperature Control circuit FSRT Display control signal for "Base Load" is set The StartUp display shows Run Status Base Load The load Raise command is reset. 0. FSRTV3 L30D_B (1) INHIBIT RAISE L70R (1) (0) GEEPG A31 Oct01 Taw_StSt_1 26 . when FSRN > FSRT + 3% The master raise signal for setpoint TNR is reset The maximum load depends on the compressor inlet temperature CTIM.) Display control signal for "Loading" is set The StartUp display shows Run Status Loading When the exhaust temp.SPEEDTRONIC Mark V Startup Sequence Base Load Load mode "Base Load" is set from <I> or from DCS Display control signal for "Base Load" is set The StartUp display shows Turbine State Base Select The load control is set to automatic The signal for MAX load for the AUTO REGULATOR is set The load control circuit compares DWATT with the maximum load setpoint value LK90MAX The load control circuit sets the RAISE signal for TNR The aux. raise signal for TNR is set The master raise signal for setpoint TNR is set TNR is increasing with the "AUTO load rate" (typ. the Exhaust Temperature Control circuit FSRT is limiting FSR. (Ignition) Premix Transfer Primary flames On Primary flames Off GTV open Secondary Transfer TTRF1 > FXKTS1 PrimärPrimary Betrieb Mode TTRF1 > FXKTL1 Lean-Lean Mode TTRF1 > FXKTL3 Extended Lean-Lean Mode For more information see the display description. CB open Load reject.SPEEDTRONIC Mark V Startup Sequence DLN Operation Modes Gen. GEEPG A31 Oct01 Taw_StSt_1 27 . CB open Premix Steady State Primary flames On Primary flames Off GTV closed (unloading) Gen. SPEEDTRONIC Mark V Notes: Startup Sequence GEEPG A31 Oct01 Taw_StSt_1 28 . Turbine shaft failure to brake away condition is set (>30sec) . Status Sequence in Progress L94X L3 L30D_STP (1) (0) (1) L1STOP_CPB L94AX L39VD2 L63TFH L86NX L94LTH L48CR L94TC L94QB L94AAZ L94FG (1) (1) (*) (*) (*) (*) (*) (*) (*) (*) (*) L30D_SD L30D_ULD (1) (1) L3SQ MSG_FLD2 (1) Note: The STOP-sequence can be interrupted as long as 14HS is not reset (TNH > 94%.Atomizing air temperature high alarm is set (AAT-1A) .Generator electrical trouble .All vibration sensor in one group are disabled or faulty .SPEEDTRONIC Mark V Stop Sequence STOP SEQUENCE Stop Command A Manual Stop command is given from local or from remote Or: An Automatic Stop command is given from the Mark V logic The following conditions can activate an automatic stop: .normal shutdown .Gas fuel purge trouble condition is set Note: (*) signal will be logic “1“ for a stop condition. GEEPG A31 Oct01 Taw_StSt_1 29 . The Stop sequence is set Turbine Complete sequence signal is reset Display control signal for "Stop" is set The StartUp display shows Turbine State Stopped Status field: RUN STATUS is reset. high and generator circuit breaker open .Load tunnel temp. 63QB-1) .Turbine air inlet filter differential pressure high condition (2 of 3) . see boiler sequence).Torque converter trouble alarm condition is set (33TC) .Bearing lifting oil pump trouble signal is set (52QB. SHUTDOWN is set Display control signal for "Status Starting" is set The StartUp display shows Shutdown Status Unloading Sequence in progress signal is set Display control signal for "Sequence in progress" is set The StartUp display shows Misc. L14HS (0) L14HSX (0) L83GVBP (0) L83SPM (0) L86VT (0) L52GT (1) L3TFLTX L83GVMAN_CMD L4QAZ L52QA L4HQZ L52HQ (0) (1) (0) (1) GEEPG A31 Oct01 Taw_StSt_1 30 .33%/min) During unloading the IGV´s are closing from 84° to 57°.SPEEDTRONIC Mark V Stop Sequence Generator Unloading The Speed/Load setpoint TNR is reduced The Generator load is reduced with the automatic load rate (0. FSR is latched to FSRMIN.05%/sec) When FSR reaches FSRMIN.14HC At approx. Display control signal for "speed level 14HC" is set The StartUp display shows Speed Level 50% to 60% . The compressor bleed valve solenoid 20CB-1 is deenergized Atomizing air booster solenoid valve 20AB-1 is deenergized The shutdown control signal for FSR is set The shutdown control circuit FSRSD is in command of FSR FSR is reduced with a preset rate to FSRMIN (FSKSD3. The Generator circuit breaker opens at reverse power Display control signal for "Status Fired Shutdown" is set The StartUp display shows Shutdown Status Fired Shutdown The turbine speed is dropping below 100%. 86% turbine speed the IGV´s are closing from 57° to 34°. L52GX L30D_FSD (0) (1) L70LX5 TNKR1_4 (1) L20CB1X L20AB1X L94SD FSRSDV1 L83SDL (0) (0) (1) (1) Auxiliary Systems The turbine speed drops below operating speed 14HS (TNK14HS2. Then FSR is reduced with the dropping of the Turbine speed TNH. 0. 94%) Auxiliary signal to L14HS is reset The IGV control permissive signal is reset The exhaust temperature monitor enable signal is reset The Gas turbine vibration trip function is disabled The generator breaker trip signal is set Monitoring of compressor discharge pressure CPD is disabled IGV manual control function is disabled Control signal for the Auxiliary Lube Oil pump motor is set The Auxiliary Lube oil pump motor 88QA-1 is started Control signal for the Auxiliary Hydraulic oil pump motor is set The Auxiliary Hydraulic oil pump motor 88HQ-1 is started Note: The load compartment cooling fan motor 88VG-1 is still running. 5% to 10. L60RB L83RB FSRSDV1 L28CAN (1) (0) (1) L14HA (0) L4AB (1) (0) L83JSD5 L28FD L4 (1) (0) (0) GEEPG A31 Oct01 Taw_StSt_1 31 . 50%) L14HC Display control signal for "speed level 14HA" is set The StartUp display shows Speed Level 40% to 50% .1 %/sec) to blow out the flames. If one flame is lost. FSRSD is ramped down with a rate FSKSD5 (1%/sec) When three flames are lost. One flame is lost for more than 1 second FSRSD is now ramped down with a faster rate FSKSD5 (1 %/sec) to blow out the other flames within 5 seconds. The generator anticondensation heater is switched on. 40%) Display control signal for "speed level 14HM" is set The StartUp display shows Speed Level 9.0% . the ramp down rate is increased. the unit is tripped directly (L2CANT). the master flame signal is reset Master Protective “4“ signal is reset Note: If 3 out of 4 flame signals are not lost within 5 seconds during ramp down to blow out. The Turbine speed is dropping below dropout value of 14HA (TNK14HA2.SPEEDTRONIC Mark V Stop Sequence Ramp down The Turbine speed is dropping below dropout value of 14HC (TNK14HC2.14HM The Turbine speed is dropping below “ramp down speed“ K60RB (35%) The function “ramp down to blow out“ is started FSRSD is ramped down with a rate FSKSD4 (0.14HA On liquid fuel: Master Control signal for the atomizing air booster motor is set The atomizing air booster motor 88AB-1 is started. 14HT Bearing lift oil pump control signal for motor 88QB-1 is set (log. FSR is set to zero The GCV is closed. Liquid fuel magnetic clutch solenoid is deenergized The fuel reference value FQROUT is set to -25% The LFBV opens fully. L4 L4HQZ L2TVZ L62CD (0) (1) (0) L3GCV L3GRV L20FGX L20FG1X L20VG1X FPRGOUT L83SUFI FSROUT (0) (0) (0) (0) (0) (0) L4FD L4FD1. 14hrs.) On Gas fuel: Gas Fuel Stop Valve Open permissive signal is reset Gas Ratio Valve Open permissive signal is reset Gas Fuel Stop Valve Control Signal is reset Gas fuel stop valve solenoid 20FG-1 is deenergized (<P>) Gas fuel vent valve solenoid deenergized (opened) The reference value for the SRV is set to FPKGSD (-2. The HSD fuel forwarding stop solenoid valve signal is reset HSD fuel forwarding solenoid valve 20FD-1 is deenergized.4% .8bar) The SRV is closed. Master Control signal for the atomizing air booster motor is reset The atomizing air booster motor 88AB-1 is stopped. 9.5%) Display control signal for "speed level 14HT" is set The StartUp display shows Speed Level 6. 0 for on) The bearing lift oil pump motor 88QB-1 is running L4QBZ1 L52QB (0) (1) L30D_COA (1) L14HM (0) GEEPG A31 Oct01 Taw_StSt_1 32 . 2 L20FDX L20FLX L20FL1X L20CF1X FQROUT (0) (0) (0) (0) (0) (0) L4AB L30FT_T L4TKZ1 L4TKZ2 (0) (0) (1) (1) Turbine Coasting down Display control signal for "Status Coasting down" is set The StartUp display shows Shutdown Status Coasting Down Turbine speed is dropping below minimum speed 14HM (TNK14HM2. The liquid fuel stop valve control signal is reset The liquid fuel stop solenoid valve signal is reset The liquid fuel solenoid valve 20FL-1 is deenergized. Control signal for the first exhaust frame cooling fan 88TK-2 is reset Exhaust frame cooling fan 88TK-2 is stopped. The Fired Hours timer is stopped Control signal for the first exhaust frame cooling fan 88TK-1 is reset Exhaust frame cooling fan 88TK-1 is stopped.SPEEDTRONIC Mark V Stop Sequence Fuel Shutoff Master protective "4" signal is reset The Auxiliary hydraulic oil pump motor is stopped The firing permissive signal is reset The cooldown timer is started (K62CD.0% to 8. On liquid fuel: The Fuel forwarding pump control signal is reset Master Control signal for the selected Fuel forwarding pump is reset HSD fuel forwarding pump 88FD-1 or -2 is stopped. all AC motors are stopped immediately.3% to 4. The turbine rotor is turned by the turning gear motor.SPEEDTRONIC Mark V Stop Sequence Turbine Cooldown The turbine speed drops below 6. The emergency lube oil pump starts when lube oil pressure low is monitored. Emergency Cooldown If there is an AC failure during cooldown.06% to 0.0% .31% . The unit is on cooldown. When AC voltage is reastablished.0% (TNK14HT2) Display control signal for "speed level 14HP" is set The StartUp display shows Speed Level 3. the Auxiliary lube oil pump motor and the Bearing lift oil pump motor is restarted. 120rpm. GEEPG A31 Oct01 Taw_StSt_1 33 .14HP Display control signal for "Status On cooldown" is set The StartUp display shows Shutdown Status On Cooldown The turbine speed drops below 3. At zero speed of the turbine the On/Off timer for the emergency cooldown cycle are enabled: The emergency lube oil pump is on for 3 minutes (K4QEON) and off for 15 minutes (K4QEOFF).14HRZ Turning gear motor 88TG-1 is started Torque converter solenoid valve 20TU-1 is energized L4TG1X L20TU1X (1) (1) L30D_CD L14HP (1) (0) L14HT (0) The turbine speed drops to approx.3% (TNK14HP2) Display control signal for "speed level 14HRZ" is set The StartUp display shows Speed Level 0. The turbine speed drops to zero. The normal cooldown sequence is interrupted and the following emergency cooldown sequence begins. The cooldown continues without turning of the turbine shaft. 06% (TNK14HR1) Display control signal for "speed level 14HRZ" is reset The StartUp display shows Speed Level The master auxiliary control signal is set Turbine compressor solenoid valve 20TV-1 is deenergized Sequence in progress signal is reset Display control signal for "Sequence in progress" is reset The StartUp display shows Misc. Bearing lift oil pump control signal for motor 88QB-1 is reset The bearing lift oil pump motor 88QB-1 is stopped. L4QAZ L4QBZ1 L4QVZ1A (1) (1) (1) (0) (1) (0) L4WC L69TWW L4BT GEEPG A31 Oct01 Taw_StSt_1 34 .SPEEDTRONIC Mark V Stop Sequence Cooldown Off Cooldown can be switched off manually when the following permissive signal is set. Auxiliary Control display: Command key "COOLDOWN OFF" is activated DCS or Cable remote: A STOP-command is given The aux. With the Mark V control display "AUXILIARY CONTROL" or from DCS the cooldown function can be switched off. signal for the master control signal L1Z is set Turning gear motor 88TG-1 is stopped Torque converter solenoid valve 20TU-1 is deenergized The turbine speed drops below 0. 14hrs) Additional visual check: All wheelspace temp. ! The cooldown timer has elapsed (K62CD. Status Display control signal for "Status cooldown off" is set The StartUp display shows Shutdown Status Off Cooldown *) The master select function has to be in position "OFF" otherwise Status "Ready to Start" or Status "Not Ready to Start" is displayed. End of Cooldown. L43CD_OFFCPB L1STOP_CPB L1ZX L4TG1X L20TU1X L14HR L14HRZ (1) (1) (1) (0) (0) (1) (0) (1) (0) (0) L62CD (1) L1Z L20TV1X L3SQ MSG_FLD2 L30D_CDC *) (1) Auxiliary Systems Control signal for the Auxiliary Lube Oil pump motor is reset The Auxiliary Lube oil pump motor 88QA-1 is stopped. are below 93°C (200°F). The oil mist separator fan motor 88QV-1 is stopped Cooling water pump The cooling water pump control signal is reset Turbine Compartment Ventilation All Wheelspace temperature values are below LK69TWW (149degC) The control signal for the turbine compartment ventilation is reset The selected ventilation fan motor 88BT-1 or -2 is stopped. SPEEDTRONIC Mark V Stop Sequence FSR Ramp down FSR [%] FSKSD3 BREAKER OPEN FSRMIN INTERCEPT FSRMIN FSKMINN2 L60RB FSKSD4 FSKSD5 ONE CAN OUT FLAME OUT TIME FSRMIN FSRMIND4 FRSRMIN FSRMINU2 STARTUP FSRMIND3 FSRMIND2 SHUTDOWN FSRMIND1 FSKMINN1 FSKMINN2 TNHCOR % SPEED FSKMINN3 100% FSKMINN4 GEEPG A31 Oct01 Taw_StSt_1 35 .