CCS355 Neural Network & Deep Learning UNIT III notes and Question bank .pdf
VARIOUS METHODS OF CENTRIFUGAL COMPRESSOR SURGE CONTROL
1. Surge Control with Simple Minimum Flow Cold Bypass
between Discharge & Suction Side
KO Drum
Suction Block
Valve
Anti-Surge
Valve (ASV)
Compressor
Driver
FT
Cooler
FIC
Surge Control with Suction Flow Altering /Resetting
Compressor Speed to Meet Discharge Pressure Requirements
KO Drum
Suction Block
Valve
Anti-Surge
Valve (ASV)
Compressor
Driver
FIC
SC
Cooler
FT
Surge Control with Speed/ Inlet Guide Vane (IGV) Alters/Resets
the Cold Flow Bypass
KO Drum
Suction Block
Valve
Anti-Surge
Valve (ASV)
Compressor
Driver
FIC
SC
Cooler
FT
Speed SC) / Inlet
Guide Vane (IGV)
(ZT)
Differential pressure (DP) across the Compressor Suction & Discharge is
used to correlate DP vs. Flow to Alter/Reset the Minimum Flow Cold Bypass
KO Drum
Suction Block
Valve
Anti-Surge
Valve (ASV)
Compressor
Driver
FIC
Cooler
FT
FY
Set Kh
DP
VARIOUS METHODS OF CENTRIFUGAL COMPRESSOR SURGE CONTROL