Document mqzYvX4jymxjmvX8MZkdxQLEO

PROGRAM FLOW CHART STEP 0 - TRIPPED - (START P/B) PERMISSIVES "OK" l STEP 1 - READY TO WARM UP - ----------------------- 1 (CONTINUE P/B) AUTO WARM UP MANUAL WARM UP PERMISSIVES "OK" * STEP 2 - READY TO ROLL - I (CONTINUE P/B) I * STEP 3 - SLOW ROLL PAUSE - "" I (CONTINUE P/B) l . | I O/S TEST * DO A 118176 CONFIDENTIAL \ STEP 4 - ENERGIZE FIELD PAUSE I CLOSE NEUTRAL BREAKER CLOSE FIELD BREAKER FLASH FIELD PERMISSIVES "OK" I STEP 5 - READY TO SYNCRONIZE I________________ I AUTO/MAN SYNC I AUTO SYNC u MANUAL SYNC _____I O/S TEST i STEP 9 O/S TESTING - GENERATOR BREAKER CLOSES Do A 118177 confidential SYN TIE CLOSED I LOAD = 0 I LOAD = 1 II STEP 6 - LOAD/235 - STEP 7 - 235/LOAD - SYN TIE OPEN STEP 8 - FREQ/235 - 1---------------------- -------------------1 SYN TIE CLOSE TO OPEN OR (FREQUENCY P/B) SYN TIE CLOSE TO OPEN OR (FREQUENCY P/B) 11 STEP 8 ' STEP 8 GENERATOR BREAKER OPENS i STEP 5 I SYN TIE OPEN TO CLOSE OR (FREQUENCY P/B) I LOAD - 0 I STEP 6 SYN TIE OPEN TO CLOSE OR (FREQUENCY P/B) I LOAD = 1 * STEP 7 GENERATOR BREAKER OPENS I STEP 5 DO A 118178 CONFIDENTIAL STEP 0 TRIPPED ENTER STEP ANY OF THE FOLLOWING TRIP CONDITIONS: WHAT TRIP WHEN IS TRIP ENABLED ELECTRONIC OVERSPEED ANY STEP (SPEED > 3930 - STEPS 0-8) (SPEED > 650(LE), 3930(HE) or 4100(M) - STEP 9) LOSS OF SPEED PROBES (SPEED < 100 RPM) >= STEP 2 AND SPEED > 100 RPM LOW STOP VALVE HYD. PRESS. (PRESS < 500 PSIG) >= STEP 2 LOW BEARING OIL PRESS. (PRESS <8.0 PSIG) ANY STEP CONDENSER HIGH PRESS. (START-UP - TRIP > 25" HG) (GEN. BRKR CLOSES & PRESS < 7" HG - TRIP > 10" HG) >= STEP 2 AND PRESS. < TRIP S.P. MAX ENERGY TIMEOUT (STEAM ENERGY > SP & SPEED = 0) STEP 2 SPEED INCREASE AT WARMUP (SPEED > TG SPEED) STEP 1 FRONT STANDARD TRIP (MECH O/S or PUSH HANDLE) ANY STEP (ONLY FOR F.O. INDICATION) VIBRATION (> 1.5 INCHES/SEC) ANY STEP THRUST (> 20 MILLS ACTIVE OR INACTIVE) ANY STEP STOP PUSHBUTTON (P/B ON TRI-SEN PANEL) ANY STEP EMERGENCY TRIP (P/B FOR ETD TRIP) >= STEP 2 BEARING TEMPERATURE (BOTH BEARING TEMP > 220) ANY STEP PROTECTIVE RELAY DEVICE (86 DEVICE TRIP) ANY STEP WARM-UP TIME OUT TRIP (60 SECONDS TO INITIATE WARM-UP) STEP 1 STEP 0 - TRIPPED (CONT'D) > EXIT STEP ALL TRIPS CLEARED AND START PERMISSIVES "OK" AND "START P/B" IS PRESSED START PERMISSIVES SUPPLY STEAM PRESS > 1200 PSIG SERVO HYDRAULIC PRESSURE OK GENERATOR BREAKER OPEN VI AND V2 VALVES CLOSED OVERSPEED TEST SWITCH IN "NORMAL" POSITION ACTION TAKEN IN STEP ETD TRIP OUTPUT "ON" CLOSE VI AND V2 VALVES START TURNING GEAR MOTOR IF BEARING OIL PRESSURE > 8 PSIG ENGAGE TURNING GEAR IF MOTOR IS RUNNING AND TURBINE SPEED <= 1 RPM TURN OFF ENGAGE SOLENOID 10 SEC AFTER SPEED INCREASES TO > 1 RPM IF BEARING OIL PRESSURE < 8 PSIG, TURN TURNING GEAR MOTOR "OFF" AND ALARM RUN VOLTAGE REGULATOR DOWN FOR 30 SECONDS SAVE TRIP INFORMATION (CAUSE, DATE AND TIME, HIGHEST SPEED, LOWEST SPEED, HIGHEST VACUUM PRESSURE, LOWEST BEARING OIL PRESSURE) EXT/ADM CONTROLLER IN MANUAL WITH 50% OUTPUT . .ED CONTROLLER IN MANUAL WITH 0% OUTPUT SEAL STEAM CONTROLLER SETPOINT TO -3.0 PSIG CONDENSER VACUUM CONTROLLER IN MANUAL WITH 100% OUTPUT IF START PERMISSIVES "OK", LIGHT UP START P/B DO A 118180 CONFIDENTIAL JP 1 READY TO WARM-UP TO ENTER STEP STEP 0 - TRIPPED AND START PERMISSIVES ARE "OK" AND "START P/B" IS PRESSED TO EXIT STEP IF IN AUTO WARMUP: SUB-STEP X = 12 AND WARM-UP PERMISSIVES ARE "OK" IF IN MANUAL WARMUP: WARM-UP PERMISSIVES ARE "OK" WARM-UP PERMISSIVES STOP VALVE OPEN AND STEAM CHEST PRESS > 1200 PSIG ACTION TAKEN IN STEP SPEED/LOAD CONTROLLER IN MANUAL WITH OUTPUT AT 0% 235# EXTRACTION ADMISSION CONTROLLER IN MANUAL AND OUTPUT AT 45% S^L STEAM CONTROLLER IN AUTOMATIC WITH SP = -3.0 PSIG DENSER VACUUM CONTROLLER CASCADED TO CONDENSER HOOD TEMPERATURE CONTROLLER AUTO SYNC PRESELECTED "ON" IF SPEED < 50 RPM, AUTO WARM-UP PRESELECTED "ON" IF IN AUTO WARMUP AND "CONTINUE P/B" PRESSED: 1. OPEN STOP VALVE (ETD TRIP OUTPUT "OFF", ETD RESET OUTPUT "ON" FOR 2 SEC.) 2. IF X=12, GO TO EXIT CHECK 3. CLOSE STOP VALVE WHEN STEAM CHEST PRESS. > SP(X) (ETD TRIP OUTPUT "ON") 4. START 5 MINUTE TIMER. 5. WHEN 5 MINUTE TIMER EXPIRES, OPEN AFTER SEAT DRAIN VALVE. 6. WHEN STEAM CHEST PRESSURE IS < 50 PSIG, CLOSE AFTER SEAT DRAIN VALVE AND OPEN VI AND V2 AT 1%/SEC FOR 20 SECONDS. 7. WHEN STEAM CHEST PRESSURE IS <= 10 PSIG, CLOSE VI AND V2 AND INCREMENT X. 8. GO TO 1 (ALLOW STEP RAISING AND LOWERING BY PRESSING "WARM-UP P/B" AND "RAISE" OR "LOWER" P/B TOGETHER) DO A 118181 CONFIDENTIAL .mEP x - ready TO WARM-UP (CONT'm STEAM CHEST WARM-UP TABLE X PRESS. SETPOINT 1 50 2 50 3 75 4 100 5 100 6 200 7 300 8 400 9 500 10 700 11 900 12 1200 IF IN MANUAL WARMUP AND "CONTINUE P/B" PRESSED: 1. ETD TRIP OUTPUT "OFF" 2. GO TO EXIT CHECK IF IN MANUAL WARMUP AND SPEED > 50 RPM: 1. ETD TRIP OUTPUT "OFF" 2. ETD RESET PULSED "ON" 3. GO TO EXIT CHECK 00 ^ U818? confidential P^EP 2 - READY TO ROLL TO ENTER STEP FROM STEP 1 - READY TO WARM UP AND WARM-UP PERMISSIVES ARE "OK" AND SPEED < 500 RPM TO EXIT STEP RPM >= 500 RPM AND "CONTINUE P/B" IS PRESSED ACTION TAKEN IN STEP ENABLE LOW STOP VALVE HYD. PRESS. TRIP ENABLE HIGH CONDENSOR VACUUM TRIP (25" HG) WHEN "CONTINUE P/B" IS PRESSED: SPEED CONTROLLER IN AUTOMATIC RAMP SPEED SETPOINT FROM CURRENT SPEED TO 500 RPM AT 100 RPM/MIN ENABLE MAX ENERGY TIMEOUT TRIP ENABLE LOSS OF SPEED PROBE TRIP WHEN SPEED > 100 RPM DISABLE SPEED INCREASE AT WARMUP TRIP TURNING GEAR MOTOR "OFF" WHEN SPEED > 10 RPM D0 A 118183 confidential c-mEp 3 - SLOW ROLL PAUSE (500 RTMl TO ENTER STEP STEP 2 - READY TO ROLL AND SPEED >= 500 RPM OR STEP 1 - READY TO WARM-UP AND SPEED > 500 AND < 3200 RPM TO EXIT STEP SPEED >= 3200 RPM ACTION TAKEN TN STEP WHEN "CONTINUE P/B" IS PRESSED: RAMP SPEED SP FROM 500 RPM TO 3200 RPM AT 200 RPM/MIN FAST RAMP SPEED SP THRU CRITICALS ALLOW TO HOLD SPEED SP BY PRESSING "HOLD P/B" DO NOT ALLOW SPEED SP TO STOP INSIDE OF CRITICAL RANGE, RAMP SPEED SP TO THE CRITICAL ZONE LIMIT (HI/LO) IN WHICH THE SPEED WAS RAMPING TOWARD. DO A 118184 CONFIDENTIAL. F^EP 4 ~ ENERGIZE FIELD PAUSE f3200 RPM1 TO ENTER STEP STEP 3 - SLOW ROLL PAUSE AND SPEED >= 3200 RPM TO EXIT STEP SPEED >= 3600 RPM AND NEUTRAL BREAKER CLOSED ACTION TAKEN IN STEP 1. COMMAND NEUTRAL BREAKER CLOSED 2. IF NEUTRAL BREAKER DID NOT CLOSE, ALARM AND HOLD 3. IF NEUTRAL BREAKER CLOSED, CLOSE MAIN FIELD BREAKER 4. IF VOLTAGE REGULATOR ON "LOW LIMIT", THEN CLOSE FIELD FLASH OUTPUT FOR 6 SECONDS AND WAIT 15 SECONDS 5. IF GEN. VOLTAGE IS LESS THAN 1KV, THEN ALARM AND HOLD 6. RAMP SPEED SP TO 3600 RPM AT 200 RPM/MIN. 7. IF GEN. VOLTAGE IS GREATER THAN 14.4 KV, ALARM AND HOLD no A l^8185 iP 5 - READY TO SYNCHRONIZE (3600 RPM' TO ENTER STEP STEP 4 - ENERGIZE FIELD PAUSE AND SPEED SP >= 3600 RPM TO EXIT STEP GENERATOR BREAKER CLOSES OR "O/S TEST" SWITCH PUT IN "MECHANICAL" OR "O/S TEST" SWITCH PUT IN "ELECTRICAL" ACTION TAKEN IN STEP WHEN "SYNCROSCOPE SWITCH" IS "ON" IF MANUAL SYNC. "ON", ALLOW PANEL SPEED RAISE/LOWER COMMANDS WITHIN ALLOWABLE WINDOW (3610/3595) IF AUTO SYNC. "ON", SEND VOLTAGE RAISE/LOWER COMMANDS TO VOLTAGE REGULATOR TO BRING GEN. VOLTAGE WITHIN 5% OF 14.4 KV. IF VERI-SYNC SWITCH IS IN AUTO, TURN AUTO SYNCHRONIZER "ON" AND WAIT 3 SECONDS BEFORE ACCEPTING ANY SPEED RAISE/LOWER COMMANDS FROM AUTO SYNCHRONIZER. LIMIT SPEED RAISE/LOWER COMMANDS TO WITHIN ALLOWABLE WINDOW (3610/3595) BEGIN REPEATING VOLTAGE RAISE/LOWER COMMANDS FROM AUTO. SYNCHRONIZER TO VOLTAGE REGULATOR. LIMIT VOLTAGE RAISE/LOWER COMMANDS TO WITHIN ALLOWABLE WINDOW (15.0/14.0) DO A 1 CONSENT I At JP 6 - LOAD/235 CONTROL TO ENTER STEP STEP 5 - READY TO SYNCHRONIZE AND GENERATOR BREAKER CLOSES AND LOAD PRIORITY 0 AND SYN BUS BREAKER IS CLOSED OR STEP 7 - 235/LOAD CONTROL AND LOAD PRIORITY = 0 OR STEP 8 - FREQUENCY/235 CONTROL AND ("FREQUENCY P/B" IS PRESSED OR SYN BUS BREAKER CLOSES) AND LOAD PRIORITY = 0 TO EXIT STEP SYN BUS BREAKER OPENS OR GENERATOR BREAKER OPENS OR LOAD PRIORITY = 1 OR "FREQUENCY P/B" IS PRESSED ACTION TAKEN IN STEP DROOP CONTROL ENABLED 2'5 5 EXT/ADM CONTROL ENABLED CONDENSER VACUUM CONTROLLER IN MANUAL SET VI AND V2 VALVES LOW LIMITS TO RUN MINIMUM IF COMING FOR STEP 5 - READY TO SYNCHRONIZE KICK LOAD SP FOR 3 MW DO A 118187 CONFIDENTIAL 7 - 235/LOAD CONTROL TO ENTER STEP STEP 5 - READY TO SYNCHRONIZE AND GENERATOR BREAKER CLOSES AND LOAD PRIORITY = 1 AND SYN BUS BREAKER IS CLOSED OR STEP 6 - LOAD/235 CONTROL AND LOAD PRIORITY = 1 OR STEP 8 - FREQUENCY/235 CONTROL AND ("FREQUENCY P/B" IS PRESSED OR SYN BUS BREAKER CLOSES) AND LOAD PRIORITY = 1 TO EXIT STEP SYN BUS BREAKER OPENS OR GENERATOR BREAKER OPENS OR LOAD PRIORITY = 0 OR "FREQUENCY P/B" IS PRESSED ACTION TAKEN IN STEP DROOP CONTROL ENABLED 2 *> EXT/ADM CONTROL ENABLED i CONDENSER VACUUM CONTROLLER IN MANUAL SET VI AND V2 VALVES LOW LIMITS TO RUN MINIMUM IF COMING FROM STEP 5 - READY TO SYNCHRONIZE KICK LOAD SP FOR 3 MW DO A 118188 CONFIDENTIAL FmEP 8 - FREOUENCY/235 CONTROL TO ENTER STEP STEP 5 - READY TO SYNCHRONIZE AND GENERATOR BREAKER CLOSES AND SYN BUS BREAKER IS OPEN OR STEP 6 - LOAD/235 CONTROL AND (SYN BUS BREAKER OPENS OR "FREQUENCY P/B" IS PRESSED) OR STEP 7 - 235/LOAD CONTROL AND (SYN BUS BREAKER OPENS OR "FREQUENCY P/B" IS PRESSED) TO EXIT STEP SYN BUS BREAKER CLOSES OR GENERATOR BREAKER OPENS OR "FREQUENCY P/B" IS PRESSED ACTION TAKEN IN STEP LIGHT "FREQUENCY P/B" LAMP SPEED CONTROL ENABLED 2 '5 EXT/ADM CONTROL ENABLED VI AND V2 VALVES LOW LIMITS (0 MW) PUT CONDENSER VACUUM CONTROLLER IN MANUAL DO A 118189 CONFIDENTIAL r^EP 9 - O/S TESTING TO ENTER STEP STEP 5 - READY TO SYNCHRONIZE AND "O/S TEST" SWITCH IS NOT IN "NORMAL" POSITION OR STEP 3 - SLOW ROLL PAUSE AND SPEED <640 RPM AND "O/S" TEST SWITCH IS IN "ELECT" POSITION TO EXIT STEP "O/S TEST" SWITCH IN "NORMAL" POSITION ACTION TAKEN IN STEP IF "MECHANICAL" TESTING SELECTED: MOVE ELECTRONIC TRIP SP TO 4100 RPM RAISE GOVERNOR MAXIMUM TO 4050 WHEN "O/S TEST P/B" IS PRESSED IF "ELECTRICAL" TESTING SELECTED: IF SPEED < 640 RPM, MOVE ELECTRONIC TRIP SP TO 650 RPM RAISE GOVERNOR MAXIMUM TO 4050 WHEN "O/S TEST P/B" IS PRESSED DO A 118190 CONFIDENTIAL GOVERNOR CONSTANTS CRITICAL SPEEDS START STOP 1ST 1800 2200 2ND 2800 3100 SPEED SWITCHES SPEED(RPM) LOSS OF SPEED PROBE TRIP <100 SLOW ROLL 500 FLASH FIELD 3200 SYNC 3600 MAX GOVERNOR 3780 BYPASS WARM-UP >50 OVSPD TRIP 3930 OVSPD TRIP FOR MECH OVSPD TEST 4100 OVSPD TEST MAX GOV 4050 OVERSPEED TRIP TEST (STARTUP) 650 MISCELLANEOUS 1ST ACCELERATION RATE 2ND ACCELERATION RATE 100 RPM/MIN (0 - 500 RPM) 200 RPM/MIN (500 - 3600 RPM) PID CONTROLLER CONSTANTS TUNING RUN PROP BAND RUN RESET RUN DERIVATIVE START PROP BAND START RESET START DERIVATIVE FREQUENCY PROP BAND FREQUENCY RESET FREQUENCY DERIVATIVE RAMP RATES SET PT RAMP RATE LOCAL SET POINT RAMP REMOTE SET POINT RAMP METRA CONT OUTPUT MAX RUN CONT OUTPUT MAX START CONTR. OUTPUT MINIMUM MAX OUTPUT CHANGE RUN MAX OUTPUT CHG START NORMALIZE HIGH NORMALIZE LOW PROP ON PV CHANGE ONLY REVERSE ACTING CONT SET POINT TRACKING SP/LD 100 10 0 100 10 0 100 10 0 1 1 1 100 20 0 500 100 4100 0 Y R Y EX/AD 100 10 0 .5 .5 .5 100 0 100 Y R Y SL STM 100 10 0 C PRS C HOOD 100 100 10 10 00 .5 .5 .5 .5 100 100 100 0 00 100 100 100 Y YY R RR Y __ N__ __ Y___ DO A 118191 CONFIDENTIAL jVE LIMITS. VI V2 LOW 20 20 HIGH 100 loo' FOR START UP VI LOW LIMIT SHALL BE ZERO UNTIL VI IS 2% ABOVE RUN LOW LIMIT AND BREAKER IS CLOSED. DO A 118192 CONFIDENT! Al VI ft V2 OUTPUT LIMITS STARTUP -VI -V2 (UPPER AND LOWER) VI LOW LIMIT SHALL BE SET TO 0%, VI HIGH LIMIT SHALL BE SET TO 2% ABOVE THE POSITION REQUIRED TO RUN THE TURBINE AT 3600 RPM.(APPROX 20%) V2 LOW LIMIT SHALL BE SET TO 0%. V2 HIGH LIMIT SHALL BE PROPORTIONAL TO VI HIGH LIMIT DURING START UP. RUNNING fGENERATOR BREAKER CLOSED 1 -VI (UPPER AND LOWER) VI LOW LIMIT SHALL BE SET TO POSITION THAT WILL SUSTAIN MINIMUM LOAD (APPROX 20%) WHEN THE GENERATOR BREAKER IS CLOSED. VI LOW LIMIT CAN BE SET TO 0% FOR SHUTDOWN BY PRESSING THE VI LIMIT BYPASS PUSH BUTTON WHEN THE VALVE POSITION IS LESS THAN OR EQUAL TO THE VI LOW LIMIT + 2%. VI HIGH LIMIT SHALL BE SET TO 100% WHEN THE GENERATOR BREAKER IS CLOSED. -V2 V2 LOW LIMIT SHALL BE SET TO LIMIT MINIMUM FLOW TO CONDENSER TO 120,000 #/HR V2 HIGH LIMIT SHALL BE SET TO LIMIT MAXIMUM FLOW TO CONDENSER 400,000 #/HR. 00 A 118193 confidential