Basics of Turbine Supervisory Instrumentation

Turbine Supervisory Instrumentation Monitors some important parameters which directly or indirectly are linked

Turbine Supervisory Instrumentation ?

System which supervises turbine with the help of instruments .

& 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

Turbine%20Condition%20Monitoring%20System%20Parameters

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