Compressor station automation system (CAS) is intended for
monitoring, protection and control of compressor station equipment.
CAS comprises a range of functionallycomplete local systems of
automatic gas-compressor units (GCU), compressor section (CS),
gas-turbine power unit (GTPU), electric power supply (EPS),
emergencyshutdown systems of GCU and CS, united into one
information and control system operated by a compressorstation
operator.