Turbo Generator Set
- SOCIETE RATEAU, Type 7 190 CP
21 multi stage backpressure impulse steam turbine.
- MAAG, type G50S speed reduction
gear.
- ALSTHOM, 18,5MW A.C. generator.
Backpressure Steam Turbine Type :
7 190 CP 21
Series No :
8 481
Nbr of stages :
10
Nbr of nozzle
arcs :
4
Steam inlet
orifice dia, mm :
250
Extraction
orifice dia, mm :
200
Exhaust orifice
dia, mm :
600
HP bearing dia,
mm :
140
LP bearing dia,
mm :
160
Thrust bearing
type :
Kingsbury 10 ½’’
Turbine-to- gear
coupling type :
MAAG Z 58
Gear-to-Generator
coupling type : MAAG Z
59
Speed reduction gear Type :
MAAG G 50 S
Input speed :
6313 rpm
Output speed :
3000 rpm
Generator Alsthon France
Type :
T174-165
No :
409352
Voltage :
6300V
Current :
2120 A
Speed of
Rotation :
3000 r.p.m
KVA :
23100
Cos(fi) :
0,8
Frequency :
50 Hz
Insu Cl. :
B
Protection :
Enclosed
Excitation :
V 106 A1200
Normal
Operation Steam inlet
pressure :
57 ata
Steam inlet
temperature :
420 Deg. C
Extraction
pressure :
14 ata ,
Extraction
temperature :
264 Deg. C
Exhaust (back)
pressure :
4.5 ata
Throttle steam
flow :
157.400 kg/h
Speed of
rotation :
6300 rpm
Capacity :18.500 kW
Maximum
Conditions Capacity :
20900 kW
Maximum
continuous speed of rotation :
6615 rpm
Lube Oil
pressure :
2.5 bars
Governing
(filtered) oil pressure :
10 bars
Actuating
(Unfiltered) oil pressure :
16 bars
Lube Oil
Filter Make &type :
Rellumix 59C
465 single
Oil flow rate :
1000 l /min
Pressure drops :
0,7 bars
Filtering
efficiency :
20 microns
Oil grade :
50C No.3 E
mineral
Service pressure :
5 bars
Governing
& safety oil filter Make &type :
Rellumix D7C 400 twin
Oil flow rate :
100 l /min
Pressure drops :
0,35 bars
Filtering
efficiency :
20 microns
Oil grade :
50C No.3 E
mineral
Service pressure :
12,5 bars
Oil pumps Main pump make
& type :
Rateau IDF-22 + IMP-13-6
Lube Oil
Pressure :
5 bars
Lube oil flow :
1100 l /min
Governing &
safety oil pressure :
12 bars
Governing and
safety oil flow :
100 l /min
Actuating oil
pressure :
17 bars
Actuating oil
flow :
200 l /min
Main pump motor
power :
60 HP
Main pump motor
supply :
500V, 50Hz, 3-phase
Main pump motor
speed of rotation : 3000
rpm
Aux. pump
turbine steam inlet pressure :
57 bars (abs)
Aux. pump
turbine steam inlet temperature : 425
deg. C
Aux. pump
turbine exhaust pressure :
atmosphere
Aux. pump type :
DHV15 vertical
Vent
condenser Type :
P4-2500-S 16m2
Vapour air flow :
300kg/h of 26 Deg. C vapour
150kg/h of 60 Deg. C air
Non condensable gas outlet temperature : 60 Deg. C
Cooling water
flow :
34600 l /h
Water inlet
temperature :
20 Deg. C
Water outlet
temperature :
26.5 Deg. C
Turning gear Turbine shaft
turning speed :
47 rpm
Motor power :
10 HP
Motor supply :
500V, 50Hz, 3-phase
POWER FUEL OIL-BOILERS
Effective design
pressure :
67 atu
Steam pressure :
57 atu
Steam
temperature :
425 Deg. C
Capacity :
85 t/h (each)
RECOVERY BOILER Effective design
pressure :
67 atu
Steam pressure :
59 atu
Steam
temperature :
425 Deg. C
Capacity :
68 t/h (each)
FEED WATER PUMS
Capacity :
150 t/h (each)
Total Pump
number :
3
(2 of 3 feed
water pumps driven by electric motors and the other driven by steam
turbine)
Premium Energy Transmission Ltd.
