ANNUNCIATOR (GA21) U6

6 ANN window 6GA201 Circuit Diagram Gen. Measuring A. Meter Page2-7 6GA203 Circuit Diagram 125V DC-Distribution Unit Control Board Page1-2 6GA204 Circuit Diagram Gen.Circuit Breaker C.Voltage Control Page1-13 6GA205 Circuit Diagram Generator Disconnector Control Page1-7 6GA206 Circuit Diagram EL.Brake Disconnector Control Page1-7 6GA207 Circuit Diagram Excitation Disconnector Control Page1-4 6GA208 Circuit Diagram Unit Operation Indication 6GA208 Page1-2 6GA209 Circuit Diagram Creep Detection Page1-2 6GD201 Circuit Diagram Auxilary Relays Page1-5 6GD202 Circuit Diagram Gen.-and Turbine Motoring Relays Page1-6 6GD204 Circuit Diagram Start-Stop Sequence Indication Lamps Page1-3 6GD205 Circuit Diagram Annunciation System Unit 6 Page1-20 6GD206 Analog RS3- I-O Loop Diagram CTF15 (Unit 6) Page1-12 6GD207 Analog RS3-Mux-Input Loop Diagram CTF15 Page1-16 6GD208 Binary RS3-I-O Loop Diagram CTF15 Page1-138 6GD209 Circuit Diagram Local Control Board Auxiliary Equipment Pagae1-3 6JA201 Circuit Diagram Generator Transf.Prot. Page1-30 6JA202 Circuit Diagram EL.Shut Down Relay (86.1) Page1-3 6JA203 Circuit Diagram Mech.Shut Down Relay (86.2) Page1-3 6JA204 Circuit Diagram No Load Shut Down Relay Page1-2 6NP201 Circuit Diagram High Pressure Oil Pump Control Page1-2 6NP202 Circuit Diagram Grease Pump Control Page1-2 6NP203 Circuit Diagram Governor Oil Pump 1 and 2 Control Page1-2 6NP204 Circuit Diagram Generator Heater Control Page1-2 6NP205 Circuit Diagram Gov.System Leakage Oil Pump Control Page1-2 6NP206 Circuit Diagram Gen.Jacking Pump Control Page1-2 6NP207 Circuit Diagram Turb.Guide Bear.Circ. Pump 1 and 2 Control Page1-2 6NP208 Circuit Diagram Ge.Thust Bear. Circ. Pump 1+2 Control Page1-2 6NP209 Circuit Diagram Cooling Water Valve Page1-2 6NP211 Circuit Diagram Air Admission Valve Control Page1-2 6NP212 Circuit Diagram Local Control Box Gen.Jacking Oil Pump Pagae1-3 6UJ201 Circuit Diagram CO2-System Page1-3

  Point: 109/470  Alarm: 5/120  Trip: 2/37   Point 23.2% Alarm 4.2 Trip5.4%

123    663A52GT    GEN CB AIR PRESSURE LOW dwg.not found 6DI403_2 D E A T
[101]
Gen.Differential Prot. 		[102]
Generator Overvoltage 		[103]
Gen.Neg.Phase Sequence 		[104]
Gen.Minimum Impedance 		[105]
Gen.Stator Earth Fault 		[106]
Gen.Rotor Earth Fault 		[107]
Dynamic Bk &Generator Breaker FAIL 		[108]
Excitation Field FAILURE 		[109]
Excitation FAULT 		[110]
Excite Transf. Overcurrent 		[111]
86-1 Relay Operated 		[112]
86-2 Relay Operated
[113]
86-3 Relay Operated 		[114]
Prot.DRS System Failure Stage 2 		[115]
Gen.Guide Bear.Temp.HIGH 		[116]
Gen.Thr.Bear.Temp. HIGH 		[117]
Gen.Winding Temp.HIGH Ph.A/B/C 		[118]
Rotor Winding Temp.HIGH 		[119]
Emergency Shutdown Valve 		[120]
Quick Shutdown PB Operate 		[121]
Tu.El.Overspeed Operated 		[122]
Turbine Mech.Overspeed 		[123]
Gen.CB Air Pressure LOW 		[124]
Gen.CB Ins.Gas Press.LOW
[125]
Gov.Oil Pressure LOW 		[126]
Unit CO2 Operated 		[127]
Turb.Guid.Bear.Temp.HIGH 		[128]
Oil Press.Tank oil Level LOW 		[129]
Gen.or Turb. Vibration HIGH 		[130]
Gov.Trouble &Supply 1 and 2 Trip 		[131]
Trubine or Gen.Bearing Oil Resv.Level LOW 		[132]
Intake Gate Closing 		[133]
KG3A Cool.Oil P.2A On 		[134]
KG3A Cool.Oil P.1A Off 		[135]
KG3A Co.Oil P.2B Fauil 		[136]
SPARE
[137]
SPARE 		[138]
SPARE 		[139]
SPARE 		[140]
Generator Undervoltage 		[141]
Gen.Rotor Earth Fault 		[142]
Excitation FAULT 		[143]
Protection Test 		[144]
Relay Volt.Unbalanced Operated 		[145]
Prot.DRS System Failure Stage 1 		[146]
Unit Contr.Board MCB TRIP 		[147]
Unit MCC 52A TRIP 		[148]
MCC Fault or Air Cool.Sys.Fan FAULT
[149]
G.Bear.Oil Standby P. ON 		[150]
HP Oil Pump Press. LOW 		[151]
Gen.Guide Bear.Temp.HIGH 		[152]
Gen.Thr.Bear.Temp. HIGH 		[153]
Gen.Bear.Oil Temp. HIGH 		[154]
Gen.Bear.Oil Lev.HI/LOW 		[155]
Gen.Bearing Oil Flow LOW 		[156]
Gen.Winding Temp.HIGH Ph.A/B/C 		[157]
Gen.Air Cool.CW Flow LOW 		[158]
Gen.Bear.Oil CW Flow LOW 		[159]
Gen.or Turb.Vibrat. HIGH 		[160]
Pneu.Brake Air Press.LOW
[161]
Tu.Bear.Oil Standby P.ON 		[162]
Gov.Oil Filter 1or 2 Contaminated 		[163]
Gov.Oil Standby Pump ON 		[164]
Turb.Guid.Bear.Temp.HIGH 		[165]
Turb.GB Oil Temp. HIGH 		[166]
Turb.GB Oil Lev.HIGH/LOW 		[167]
Turb.GB.CW Flow LOW 		[168]
Turb.GB Oil Flow LOW 		[169]
GV Shear Pin Broken 		[170]
Gen.CB Ctrl.Volt. Loss 		[171]
Gen.DS. Pole Disagreement Alarm 		[172]
Gen.CB Ins.Gas Press.LOW
[173]
Unit Uncompl.Start/Stop 		[174]
Intake Gate Lower 		[175]
Unit CO2 Undervoltage 		[176]
Power Ctrl.Deviat. High 		[177]
Oil Press.Tank oil Level LOW/HI 		[178]
Gov.Oil Reservoir Level too LOW 		[179]
Gov.Cont.MCB TRIP or 24 VDC FAIL 		[180]
Unit Creep Detect.Operate 		[181]
Unit Seq. Controller FAULT 		[182]
Turb.Shaft Seal CW Press.LOW 		[183]
Unit CO2 Locked 		[184]
SPARE
[185]
SPARE 		[186]
KG3A 2A Cool Oil Pump Fauit 		[187]
KG3A 2A Cool Oil Pump Fauit 		[188]
KG3A Co.Oil P.2C Fauil 		[189]
KG3A Cool.Oil P.1C On 		[190]
SPARE 		[191]
KG3A Cool.Oil P.2B Off 		[192]
KG3A Cool.Oil P.2B Off 		[193]
KG3A Cool.Oil P.2B Off 		[194]
KG3A Cool.Oil P.2B Off 		[195]
KG3A Cool.Oil P.2B Off 		[196]
KG3A Cool.Oil P.2B Off