ABB TPS57-F Series - Page 65

Operation Manual / TPS44-F.. - TPS61-F..
Maintenance
5
Turbine cleaning during operation
5.3
Page 63
April 2015 HZTL2412_EN Revision E
Recommended operating state for turbine wet cleaning
The following operating state has been tested and is approved by ABB
Turbo Systems:
Characteristic / component
Conditions
short
water injection time
long
water injection time
Engine load (guide value) 20 … 40 %
Turbine inlet temperature
T
TE
before water injection
350 … 400 °C
350 … 430 °C
Water supply ensured
Water pressure
(overpressure over
atmosphere) p
WT
2.0 bar
1.5 bar
If necessary, engine performance must be reduced to maintain these
conditions.
The cleaning cycle can now be started based on the following description.
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