Turbo Generator Set
- SOCIETE RATEAU, Type TH 457-480
multi stage condensing impulse steam turbine.
- MAAG, type GN 70 speed
reduction gear.
- ALSTHOM, 7,7MW A.C. generator.
Backpressure Steam Turbine
Type :
TH 457-480
Turbine-to- gear
coupling type :
MAAG ZNS 6
Gear-to-Generator
coupling type : MAAG
ZNS 9
Speed reduction gear
Type :
MAAG GN 70
Input speed :
7540 rpm
Output speed :
1500 rpm
Generator
Alsthon Belfort 1969
Type :
RNV 144-125
No :
409351
Voltage :
6300V
Current :
882 A
Speed of
Rotation :
1500 r.p.m
KVA :
9625
Cos(fi) :
0,8
Frequency :
50 Hz
Insu Cl. :
B
Protection :
Enclosed
Excitation :
V 47 A
639
Performance
data
Steam inlet
pressure :
57 ata
Steam inlet
temperature :
480 Deg. C
Exhaust pressure :
0,1 kg/cm2 (abs)
Throttle steam
flow :
36000 kg/h
Total kW rating :7700
kW
Speed of
rotation :
7500 rpm
Max. Continious
speed of rotation : 7875
rpm
Trip speed :
8250 rpm
Lube Oil
Filter
Make &type :
Rellumix 32C
400
Oil flow rate :
500 l/min
Pressure drops :
0,5 bars
Filtering
efficiency :
20 microns
Oil grade :
50 C No.3
mineral
Service pressure :
5 bars
Governing
& safety oil filter
Make &type : Rellumix D7C 400
Oil flow rate :
100 l/min
Pressure drops :
0,35 bars
Filtering
efficiency :
20 microns
Oil grade :
50C No.3
mineral
Service pressure :
12,5 bar