INTRODUCTION TO TURBINE SUPERVISORY INSTRUMENTATION
[ TSI ]
WHAT IS
TSI?
System which supervises
turbine with the help of instruments.
AIM :-
Monitors some important
parameters which directly or indirectly are linked
& predict the
healthiness of turbine.
TURBOVISORY PARAMETERS
VIBRATIONS:-
1.SHAFT VIBRATION
2.BEARING VIBRATION
TURBINE EXPANSION:-
1.ABSOLUTE EXPANSION [ HIP/LP ]
2.DIFFERENTIAL EXPANSION[HIP/LP ]
3.AXIAL SHIFT
SPEED MEASUREMENT:-
1.KEY PHASOR
ECCENTRICITY
KEY WORDS
KY : Key phasor
EC : Eccentricity
HER,HEL : Absolute expansion [HIP]
DEHI,DEL : Diff. expansion [HIP]
BV : Bearing Vibration
SVx ,SVy : Shaft Vibration [x &
y direction]
SP1,2,3 : Axial shift
SI : Speed indicator
