Download - Annexure - 7 60MW Data Sheets
-
8/12/2019 Annexure - 7 60MW Data Sheets
1/161 of 16
60 M.W STG & AUXILARIES TECHNICAL DATA SHEET
S.No Description NANJING
1.00 Performance Guarantee Parameters
Inlet steam pressure (Ata) 90
Inlet steam flow (TPH) 222
Inlet steam temperature (Deg.C) 535
Feed water flow (TPH) 222Feed water temperature (Deg.C) 223.48
No. of extractions 6
Exhaust pressure (Ata) 0.1
Exhaust flow (TPH) 158
Exhaust Temperature (Deg.C) 45
Cooling water Temperature (Deg.C) 33
Specific steam consumption 3.684
Auxilarie Power Consumption
Electrical out ut (KW) 60000Turbine Heat Rate(k.cal/kwh) 2210
delivery FOB 12months
Commissioning 17 months
2.00 Steam Turbine:
Make NANJING
Type Impulse Reaction
Duty continuous
Manufacturer Model No. N60-8.83
Rated Power(Design) 60000Maximum Continuous Rating of Power 63000
Rated Speed & its permitted variation 3000
Direction of Rotation
Clockwise lokking down
strem
Noise level 85dba
Dimensions of Turbine 7451x7090x3260
Casing split horizontal
Rotor type built-up
Shaft seal labyrinth seal
No. of governing valves 4
Bearing support pedastal
No.of.stages 22
2.01 Turbine Bearings
a)Journal Bearings YES
Make NTC
Type SLEEVE
Material Babbit lined
b)Thrust Bearings YES
Make NTCType Tilting pad type
Material Babbit lined
2.02 Material of construction of Major components:
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com
http://www.docudesk.com/http://www.docudesk.com/ -
8/12/2019 Annexure - 7 60MW Data Sheets
2/162 of 16
S.No Description NANJING
1.outer casings 21/2Cr-1Mo
2.inner casing 21/2Cr-1Mo
3.guide blabe carrier Cast steel
4.rotar Cr.Mo.V Forged steel
5.exhaust hood fabrication
6.sealing strips SS7.caulking wire SS
8.steam strainer SS
9.nozzle SS
10.rotar blade SS
11.stator blade SS
12.valve spindle SS
13.valve cone SS
14.valve seat SS
15.bearing housing CS16.bearing lining Babbit
17.gland rings 11/2 Cr-Mo
18.balance piston gland 11/1 Cr-Mo
19 .inlet valve block 21/2 Cr-1Mo
2.03 Weights(KGS)
Weight of rotor 18700
Weight of upper half casing 25000
Wei ht of lower half casin 35000
Weight of Front base plate 2491
Weight of Rear base plate 4061
Weight of Turbine with base plate (Total weight) 127000
2.04 Details of Insulation and Clading Site Insulated
2.05 Turbine Connections
A Inlet steam
Number Four
Size 150 NB
Rating 2500
2.06 Turbine Accessories:
A Emergency Stop Valve
Quantity 1
size 250 NB
Material of body 21/2 Cr-1 Mo
Weights(KGS) 3271
B Governing Valves
Quantity 4
Size 100 NB
C Barring gear :
Type ElectricDrive details Motor
Motor Rating 22KW
D QCNRV:
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com
-
8/12/2019 Annexure - 7 60MW Data Sheets
3/163 of 16
S.No Description NANJING
Qty 6
Type water operated
Operation By.Water
G Other valves details, if any :
H Gland sealing system :
Details of valves, strainers and inter connectingpiping
Sealing control valve&desuperheater
Gland Steem condensor:
Design code AZY-09.81-016.0-01
Type shell and Tube
Condensate Flow 240 TPH
Condensate Pressure 14 Kg/cm2.G
Heatin surface area 46m2
Test pressure Water side 22.44 Kg/cm2
Test pressure Tube side 2.0Kg/cm2Tube material SS
Shell & end cover material Carbon steel
Tube sheet material Carbon steel
Accessory Fan provided
Driver for air blower Motor
2.07Mating flanges with fastners and gaskets for therelated equipments.
Provided
2.08 Set of foundation bolts Provided
3.00 Lube Oil System:
3.01 Lube oil & its tank details :
Governing oil pressure 1.6MPa
Lube oil pressure 0.1MPa
Oil type ISO VG-46
Oil quantity for initial fill and flushing 15m3
Oil reservoir capacity 21m3
Retention time(Min) 5
Material of Oil reservoir Carbon steel Fabr.
Material of oil piping from pumps to filters S.S
O.H.T.capacity 5 m3
O.H.T. material S.S
Material of oil piping from filters to bearings S.S
Material of oil piping from bearings to reservoir S.S
3.02 Main oil pump(MOP) :/SHAFT DRIVEN
Make NTC
Type Centrifugal
O eratin s eed 3000
Capacity(flow-m3/h) 180delivery presure(kg/cm2) 16
Drive details Shaft Driven
Material of body HT250-7
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com
-
8/12/2019 Annexure - 7 60MW Data Sheets
4/164 of 16
S.No Description NANJING
Material of end cover ZQSn6-6-3
3.03 Auxiliary oil pump(AOP):
Make NTC
Type Centrifugal
Operating speed 2950rpm
Capacity(flow-m3/h) 180delivery presure(kg/cm2) 16
Drive details AC Motor driven
3.04 Emergency oil pump(EOP)- AC :
Model 80Y60A
Make NTC
Type Centrifugal
O eratin s eed 2950
Capacity(flow-m3/h) 45delivery presure(kg/cm2) 4.9
Drive details YB160M2-2
Power AC Motor-15kw
Material of body Cast Iron
Material of end cover Cast Iron
Total weight 0.85 Ton
3.05 Emergency oil pump(EOP)- DC:
Make NTC
Type Centrifugal
Operating speed 3000
Capacity(flow-m3/h) 45
delivery presure(kg/cm2) 4.9
Drive details Z2 - 52
Power DC Motor-13kw
Material of body Cast Iron
Material of end cover Cast Iron
Total weight 0.85 Ton
3.06 Jacking Oil Pump - AC
Quantity 2 x 100%
Make NTC
T e Vane um
Operating speed RPM 1500
Capacity(flow-m3/h) 25
delivery presure(kg/cm2) 80-100
Drive details AC Motor driven
Power (KW) 15 KW
Material of body Cast steel
Material of end cover
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com
-
8/12/2019 Annexure - 7 60MW Data Sheets
5/165 of 16
S.No Description NANJING
3.07 Jacking Oil Pump - DC
Quantity 1x 100%
Make NTC
Type Vane Pump
O eratin s eed 1460
Capacity(flow-m3/h) 25 LPM
delivery presure(kg/cm2) 80-120
3.08 Oil coolers :
Quantity 3 X 50%
Make NTC
Design code Chinese design insitute
Type Shell and Tube Type
Oil inlet temperature 65
Oil outlet temperature 45
Tube material Admirality Brass
Tube sheet material Carbon steel
Oil flow capacity 730
Mounting Vertical
Plugging margin 20%
3.09 Lube oil filter:
Quantit 2 X100%
Make NTCElement type Catridge
Oil flow ca acit (L.P.M) 730
Oil filtration capacity(Microns) 40
Mountin Vertical
3.10 Control oil filter:
Quantit 2 X100%
Make NTC
Element type Catridge
Oil flow ca acit (L.P.M)
Oil filtration capacity(Microns) 20
Mountin Vertical
3.11 Oil vapour extractor :
Quantity 2 X100%
Make NTC
Capacity(m3/h) 420
Total Pressure 4.2 Kpa
Driver AC Motor driven
Model YB100L - 2
Speed ( RPM) 2880Power (KW) 3 KW
Mounting top of the tank
3.12 Oil centrifuge :
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com
-
8/12/2019 Annexure - 7 60MW Data Sheets
6/166 of 16
S.No Description NANJING
Model MMB 305S
Quantity 1
Make ALFA LAVAL
Oil flow capacity(L.P.H) 1000
Oil filtration capacity(Microns) 5
Centrifuge/boster pump rating 1Type of oil heater direct
Heater rating 12
3.13 Pressure regulating valves details :
3.14 Pressure relief valves details :
4 Inter connecting piping and accessories Included
5.00 Governing System:
5.01 Governor :
Make WOOD WARD
Type 505Inputs (critical) 1400-1800rpm
Control range 0-3360rpm
Control accuracy 1rpm
Speed droop 3-6%
Power supply DC 24V
Accessories non
5.02 Interconnecting control oil piping Local Supply
5.03 Other accessories details, If any O.H.T & ACC
6.00 Condensing system:6.01 Steam surface condenser with hotwell:
Design code chinese/HEI equi
T e Shell & Tube
Capacity 180 TPH
Cooling Surface Area 5100 m2
Number of passes 2
Cleanliness factor 0.8
velocity of water in Tubes 2.3 m/sec
MOC & Thickness of tubes in condensing zone Stainless steelMOC & Thickness of tubes in air cooling zone Stainless steel
MOC for Tube sheets TP 304 + Q235 B
Vertical expansion taken by Springs or Expansion Bell Springs
Temperature of condensate at hot well 45
Make up water Quantity 10 Tph
Make up water Temperature 33
Pressure drop on tube side as measured across CW
inlet and Outlet52.83 KPa
Tube plugging margin 5%Tube size OD X Thickness 22 x 0.7 thk
Cooling water flow T/h 11500
Coolin water tem erature I/L & O/L 33 & 410C
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com
-
8/12/2019 Annexure - 7 60MW Data Sheets
7/167 of 16
S.No Description NANJING
Cleanliness factor 0.85
Tube plugging margin 5%
Hotwell retention time(Min) 3
Tube fixing Roller Expanded
Tube size OD X Thickness 1" 22 BWG
Tube sheet material Carbon steelWater box & Shell material Carbon steel
6.02 Water jet air Ejector
Quantity 2 x 100%
Type water Ejector
Design code chinese
Suction medium Water ejector
Material of nozzle
Material of shell & diffuserPump Details:-
Capacity (m3/h) 506
Head (M) 42
Min Flow (m3/h) 140
Efficiency 78.50%
T e of seal Mechanical
Drive details:-
Power (KW) 75
Speed ( RPM) 1480
6.03 Condensate Extraction Pumps
Make KSB
Quantity 2 x 100%
Type vertical cannister type
Mounting vertical cannister type
Suction pressure 0.098
NPSH required2.1 at eye ofSuction impeller
Flow capacity 240 TPH
Discharge pressure 14 kg/cm2.G
Operating speed 1480
No of Stages 5
Complete Drive details AC motor
Type of bearings Antifriction
type of seal Mechanical
Type of coupling lovjoy
Type of lubrication Oilcup
Material of casing CarbonsteelMaterial of impeller CF8M
Material of shaft Forged
Material of shaft sleeve Later
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com
-
8/12/2019 Annexure - 7 60MW Data Sheets
8/168 of 16
S.No Description NANJING
Motor Rating 160 KW
6.04 Relief Valves for Condensor protection provided
6.05Interconnecting piping, strainers, steam traps,drains, vents and Isolation provisions. out of scope
6.06 Dry air/vapor line (Air removal from con to ejector) out of scope
6.07 Other accessories details, If any
7.0 HP.Heater -1 Local Supply
1.1 Type of Heater Vertical
1.2 Orientation Vertical
1.3 Location Below operating floor
1.4 Tube Type U-Tube Type
1.5 No.of.Tube Passes 4 pass
1.6 No.of.Zones (shell side) 22.0 DESIGN DATA SHELL SIDE
2.1 Extraction steam
Flow Rate 14.77 TPH
Inlet Temp 348.05
Operating Pressure 1.545 MPa
2.2 Drains Leaving
Flow Rate 26.07 TPH
Temperature 199.68
Enthalpy 851.042.3 Design Pressure
2.4 Design Vacuum FV
2.5 Design Temp
Main Shell
Skitr Shell
2.6 Test Pressure
3.0 DESIGN DATA TUBE SIDE
Feed water Flow Rate 240 TPH
In let Temp 160.08
Out let Tem 200.37
Operating Pressure
Design Pressure
Design Temp
TestPressure
4 Heat Duty
Total Heat Duty
5 Heat Transfer surface area 260 M2
6 GAURANTEE PERFORMANCE DATA
Terminal Temp DifferenceDrain cooler approach
Over all pressure drop on tube side
side at the average operating
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com
-
8/12/2019 Annexure - 7 60MW Data Sheets
9/169 of 16
S.No Description NANJING
7 CONSTRUCTION FEATURES
7.1 Shell
Shell ID 1000 mm
Shell Thickness 14 mm
Overall length of Heater 7300
Shell side corrossion allowance 1 mm
7.4 Nozzle Type / End connection
Feed water inlet zone Butt Weld
Feed water outlet zone Butt Weld
Steam inlet nozzle on the shell side Butt Weld
Drain out let nozzle type on the shell side Flange
8 MATERIAL OF CONSTRUCTION
Main shell & shell side "D"
Shell skirt
Support plates
Tube sheet (Forging)
Tubes
Channel / Manway.cover (forging)
Channel Nozzles
Gasket on water side
9 WEIGHT 15389 Kg
10 SPARES
Start up and commissioning Included
11 TERMINAL POINTS
Steam inlet nozzle on the shell side
Steam pipe, root valve for instrument connection
Drain inlet nozzle (if any)
Drain out let nozzle type on the shell side
Feed water Inlet Nozzle
Feed water out let Nozzle
Air vent outlet nozzle
12 ACCESSERIES
Stand pipe IncludedStand pipe isolation valves Included
Stand pipe vent drain valve Included
Local level au e with isolation valves Included
Safety valve - shell side Included
Safety valve - channel side Included
Globe valve for vent and drain Included
Isolation valves for transmitters Included
Dial thrmometers Included
Pressure gauge with isolation gate valve Included
Shell drain valves Included
8.0 HP.Heaters- 4
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com
-
8/12/2019 Annexure - 7 60MW Data Sheets
10/1610 of 16
S.No Description NANJING
1.1 Type of Heater Shell & Tube
1.2 Orientation Vertical
1.3 Location Later
1.4 Tube Type
1.5 No.of.Tube Passes
1.6 No.of.Zones (shell side)2.0 DESIGN DATA SHELL SIDE
2.1 Extraction steam
Flow Rate 13.28 TPH
Inlet Temp 395.41
Operating Pressure 2.841 Mpa
2.2 Drains Leaving
Flow Rate 13.28 TPH
Temperature 230.81
Enthalpy 994.04
2.3 Design Pressure
2.4 Design Vacuum
2.5 Design Temp
Main Shell
Skitr Shell
2.6 Test Pressure
3.0 DESIGN DATA TUBE SIDE
Feed water Flow Rate 222 TPH
In let Temp 196.6
Out let Tem 223.48
Operating Pressure
Design Pressure
Design Temp
TestPressure
4 Heat Duty
Total Heat Duty
5 Heat Transfer surface area 260 M2
6 GAURANTEE PERFORMANCE DATA
Terminal Temp DifferenceDrain cooler approach
Over all pressure drop on tube side
side at the avera e o eratin
7 CONSTRUCTION FEATURES
7.1 Shell
Shell ID 1000 mm
Shell Thickness 20 mm
Overall len th of Heater 7300
Shell side corrossion allowance 1 mm
7.4 Nozzle Type / End connection
Feed water inlet zone Butt Weld
Feed water outlet zone Butt Weld
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com
-
8/12/2019 Annexure - 7 60MW Data Sheets
11/1611 of 16
S.No Description NANJING
Steam inlet nozzle on the shell side Butt Weld
Drain out let nozzle type on the shell side Flanged
8 MATERIAL OF CONSTRUCTION
Main shell & shell side "D"
Shell skirt
Support platesTube sheet (Forging)
Tubes
Channel / Manway.cover (forging)
Channel Nozzles
9 WEIGHT 16618 Kgs
10 SPARES
Start up and commissioning Included
11 TERMINAL POINTS
Steam inlet nozzle on the shell side
Steam pipe, root valve for instrument connection
Drain inlet nozzle (if any)
Drain out let nozzle type on the shell side
Feed water Inlet Nozzle
Feed water out let Nozzle
Air vent outlet nozzle
12 ACCESSERIES
Stand pipe Included
Stand pipe isolation valves Included
Stand pipe vent drain valve Included
Local level gauge with isolation valves Included
Safety valve - shell side Included
Safety valve - channel side Included
Globe valve for vent and drain Included
Isolation valves for transmitters Included
Dial thrmometers Included
Pressure au e with isolation ate valve Included
Shell drain valves Included
9.0 LP.Heater-1
1.1 T e of Heater Shell & Tube
1.2 Orientation Vertical
1.5 No.of.Tube Passes 2
1.6 No.of.Zones (shell side) 3
2 Extraction steam
Flow Rate (Kg/hr) 10.03 TPH
Inlet Temp 79.25
Operating Pressure (Mpa) 0.0459 MPa2.1 Drains Leaving
Flow Rate (Kg/hr) 31.19 TPH
Temperature 79.25
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com
-
8/12/2019 Annexure - 7 60MW Data Sheets
12/1612 of 16
S.No Description NANJING
Terminal Temp Difference
Enthalpy (Kj/ kg) 331.37
side at the average operating (Kg/cm2)
22 Design Pressure (Kg/cm2) 2.5 Mpa
2.3 Design Vacuum
2.4 Design Temp
Main Shell /Skirt 95 / 85
2.5 Test Pressure 3.125 Mpa
3.0 DESIGN DATA TUBE SIDE
Feed water Flow Rate (Kg/hr) 201.97
In let Temp 45 .60
Out let Tem 74.25
Operating Pressure 14 kg/cm2.G
Design Pressure 2.5 Mpa
Design Temp 85
TestPressure 3.125 M a
Feed water velocity at sp.gravity 1.0
Plugging Margin
4.00 Heat Duty
Total Heat Duty
5.00 Heat Transfer surface area 185 M2
6.00 GAURANTEE PERFORMANCE DATA
Terminal Temp Difference
Drain cooler a roach
Over all pressure drop on tube side
side at the average operating
7.00 CONSTRUCTION FEATURES
7.10 Shell
Overall length of Heater 5862 mm
Shell ID 1020 mm
Shell Thickness 10 mm
Shell side corrossion allowance 1 mm
Total Weight 5457 Kgs
10.0 LP.Heater-2
1.1 Type of Heater Shell & Tube
1.2 Orientation Vertical
1.3 Location T Buildin 5 M LVL
1.4 Tube Type
1.5 No.of.Tube Passes 2
1.6 No.of.Zones (shell side) 32.0 DESIGN DATA SHELL SIDE
2.1 Extraction steam
Flow Rate (Kg/hr) 11.17 TPH
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com
-
8/12/2019 Annexure - 7 60MW Data Sheets
13/1613 of 16
S.No Description NANJING
Inlet Temp 109.27
Operating Pressure 0.1398 MPa
2.2 Drains Leaving
Flow Rate 21.16 TPH
Temperature 107.05
Terminal Tem Difference
2.3 Design Pressure
2.4 Design Vacuum
2.5 Design Temp
Main Shell /Skirt 180 / 135
2.6 Test Pressure
2.7 Fouling Factor
3.0 DESIGN DATA TUBE SIDE
Feed water Flow Rate 222 TPH
In let Temp 72.51
Out let Tem 102.05
Operating Pressure 2.0 Mpa
Design Pressure 2.5 Mpa
Design Temp 135
TestPressure 3.125 Mpa
Feed water velocity at sp.gravity 1.0
Plu in Mar in
4 Heat Duty
Total Heat Duty
5 Heat Transfer surface area 170 m2
6 GAURANTEE PERFORMANCE DATA
Terminal Temp Difference
Drain cooler approach
Over all pressure drop on tube side
side at the avera e o eratin
7 CONSTRUCTION FEATURES
Shell ID 1000 mm
Shell Thickness 10
Overall length of Heater 5537 mm
Shell side corrossion allowance 1 mm
Total weight 5200 Kgs
11.0 LP.Heater-3
1.1 Type of Heater Shell & Tube
1.2 Orientation Vertical
1.3 Location Tg Building 5 M LVL1.4 Tube Type Bundle
1.5 No.of.Tube Passes 2
1.6 No.of.Zones (shell side) 3
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com
-
8/12/2019 Annexure - 7 60MW Data Sheets
14/1614 of 16
S.No Description NANJING
2.0 DESIGN DATA SHELL SIDE
2.1 Extraction steam
Flow Rate 9.990 TPH
Inlet Temp 197.81
Operating Pressure 0.3222 MPa
2.2 Drains Leaving
Flow Rate 9.990 TPH
Temperature 136
Terminal Temp Difference
2.3 Design Pressure 0.8 Mpa
2.4 Design Vacuum
2.5 Design Temp 260
2.6 Test Pressure 3.125 Mpa
2.7 Foulin Factor
2.8 Minimum cladding thickness
2.9 Corrosion allowance(mm) 1
3.0 DESIGN DATA TUBE SIDE
Feed water Flow Rate 201 Tph
In let Temp 105
Out let Temp 134
Operating Pressure 2.0 Mpa
Desi n Pressure 2.5 M a
Design Temp 165
Feed water velocity at sp.gravity 1.0
Plugging Margin
4.00 Heat Duty
Total Heat Duty
5.00 Heat Transfer surface area 170 m2
6.00 GAURANTEE PERFORMANCE DATA
Terminal Tem Difference
Drain cooler approach
Over all pressure drop on tube side
side at the average operating
7.00 CONSTRUCTION FEATURES
7.10 Shell
Shell ID 1000 mm
Shell thickness 10 mm
Overall length of Heater 5537 mm
Total Weight 5254 Kgs
FOR ALL HEATERS :-SPARES
Start up and commissioning spares Included
7.20 Material of Construction
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com
-
8/12/2019 Annexure - 7 60MW Data Sheets
15/1615 of 16
S.No Description NANJING
Water Chamber 16MnR
Dish End 16MnR
Tube sheet 20MnMoII
Flange 16MnII
ACCESSERIES
Stand pipe 100 NB Included
Stand pipe isolation valves Included
Stand pipe vent drain valve Included
Local level gauge with isolation valves Included
Level Transmitter Included
Safety valve - shell side Included
Safety valve - channel side Included
Globe valve for vent and drain Included
Isolation valves for transmitters Included
Dial thermometers Included
Pressure gauge with isolation gate valve Included
Shell drain valves Included
11.00 T.G.Intergrial piping
Condensate piping Included
Drain piping Included
oil piping Included
12.00 Control valves
H.P heater 2 level control valve Self Adjustable CV
H.P.heater 1 level control valve Self Adjustable CV
Deaerator presure control valve ExCLUDED
L.P.heater 3 level control valve Self Adjustable CV
L.P.heater 2level control valve Self Ad ustable CV
L.P heater 1 level control valve Self Adjustable CV
CEP recirculation control valve Included
Main condensate control valve IncludedHood spray Attemperation Included
PRDS control valve for Glands Included
PRDS control valve for Flange Heating Included
Vaccume break valve Included
13.00 T.G. Building Elevations
Overall Dimensions L x B x H 90 X 45 X 22
Auxiliries Floor 5.0 M LVL
Operating Floor 10.0 M LVLEOT Crane Girider 22 M LVL
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com
-
8/12/2019 Annexure - 7 60MW Data Sheets
16/16
S.No Description NANJING
Data sheet to be filled by vendor : (A C Generator and other Equipment):
1.00 Rating And Performance
Type QFW-65-2
Capacity 65000 kWEfficiency 98.20%
Standard GB/T 7064-2002
Rated voltage 11000V
Rated current 4264.5A
Power factor 0.8
Connection Y
Speed 3000 r/min
Frequency 50 Hz
Phase 3Insulation class F
D.c resistance of stator winding 20 0.00147
D.c resistance of excitation winding 20 0.2609
Stator leakage reactance xe (p.u) 0.154
Direct-axis synchronous reactance xd (p.u) 1.702
Direct-axis transient reactance xd (p.u) 0.174
Direct-axis sub-transient reactance xD(p.u) 0.1313
Negative phase-requence reactance x2(p.u) 0.147
Zero phase-sequence reactance xo(p.u) 0.069
Transient time constant tdo 10.6 s
Sub-transient time constant tDo 0.06 s
Short-circuit ratio fk0 0.66
Excitation system AC. BRUSHLESS
Rated excitation current on full load 660 A
Rated excitation voltage on full load 246 V
Excitation current on no-load 282 A
Excitation voltage on no-load 82 V
Air cooler power 1240 kW
Air flow (for two fans) 22 m3/s
Water flow 331 m3/h
Water inlet temperature 33
Air temperature after cooled 40
Max working water pressure 0.196 MPa
Water pressure drop 0.0182 MPa