ABB HT846739 - Page 57

Operation Manual / TPS48-D/E.. - TPS61-D/E..
5 Maintenance / 5.3 Turbine cleaning during operation
© Copyright 2020 . All rights reserved. HZTL2410_EN Rev.F March 2020
Recommended operating state for turbine wet cleaning
The following operating state is tested and approved by ABB Turbochar-
ging:
Characteristic / com-
ponent
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 (overpres-
sure 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 descrip-
tion.
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