| 300 | Section Page No.:
2. 3(41)
2.1 TURBINE
TYPE: SST 400
condensing steam turbine with four bleeds
and one extraction
TURBOSE OUTPUT: (at generator terminals)
- Normal 30 MW
- Maximal 31,88 MW
- Minimal 4,5 MW
SPEEDS:
- rated �?turbine 5038 rpm
- rated �?generator 1500 rpm
- emergency trip (turbine) 110% 5542 rpm
- resonance (turbine)
1. natural frequency 2620 rpm
2. natural frequency 6398 rpm
- torsional critical (complete train) 18,0 Hz
61,3 Hz
152,7 Hz
DIRECTION OF ROTATION c.w. (seen in the direction of steam flow)
LIVE STEAM:
- pressure rated 127 bar(g)
max. 133,4 bar(g)
- temperature rated 535 °C
max. 543 °C
- temperature change
temperature jump, max. permiss. ±20 °C
subsequent rate of temp. change ±2 °C/min
rate of temp. change, max. permiss
(without previous temp. jump) ±5 °C/min
- steam flow max. 128,6 t/h
- short time deviations acc. to IEC 45-1 see also Section 6
pressure increase max 12 h/a 152,6 bar(g)
temperature increase max. 400 h/a 549 °C
- steam quality see Section 6
4TH BLEED
- pressure 33,377 bar(g)
- steam flow 7,67 t/h
3RD BLEED
- pressure 17,856 bar(g)
- steam flow 5,71 t/h
EXTRACTION
- pressure 9,0 bar(g)
- steam flow 7,60 t/h | | Used Power Plant | Siemens-SST-400 | used power plant, equipment, spare parts, prior to sales, or just as information, not accurate or not for specific plant only. | | | |
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