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Thermal Power
  Home > Thermal Power > Products & Engineering > I&C Systems >

D-EHC (Digital Electro-Hydraulic Control System)

 

System Configuration


System Configuration
System Controller:
Dual redundancy with hot standby feature.
The following functions are incorporated in system controller;
- Operator interface
- Network communication

Master Controller:
Triple redundancy.
The following functions are incorporated in master controller;
- Startup control
- Acceleration control
- Speed/load control
- Exhaust temperature control
- Inlet guide vane control
- Shutdown control
- Fuel control
- Valve position control
- Combustion monitor
- Gas turbine protection

Valve Interface:
Valve interface consists of solid-state and analog modules. It treats I/O signals between master controller and local instrument, such as position detector or electro-hydraulic converter at each valve.

 
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