New Simulation Model

September 28, 2015
ESD Simulation Training is pleased to offer a customized simulation model of your centrifugal compressor to further enhance your training courses. ESD can deliver your courses using generic simulation models but the addition of a customized model would give the trainees an even more realistic "simulated" experience by allowing them to work with a model of your centrifugal compressor.
The key benefits of a customized simulation model are:
  • terminology and tag names are plant specific
  • response times of simulated compressor and pipework will match the real plant equipment
  • anti-surge control system will mimic the plant system
  • start-up and shutdown exercises will be using a plant procedure
  • plant will be able to use the model after the training course for refresher training
The simulation model will be designed and developed using ESDSim software which is a proven tool for practical operator and engineer training. The customized model will be developed from plant engineering design documentation including:
  • Polytropic Head vs Volumetric Flow curves
  • Efficiency vs Volumetric Flow curves
  • P&ID's
  • valve data sheets
  • control system descriptions
  • piping isometric drawings
Features of the simulation model will include:
  • Graphical interface
  • Alarms and Trips 
  • Start-up and Shutdown sequences
  • Controllers
  • Instrumentation
  • Boundary condition changes
Introduction of fault conditions ESD have been delivering high quality technical training using simulation models for 26 years, the latest version of ESDSim includes the best available software in its class.
Model Description
This dynamic simulation model allows the course participants to experience hands-on start-up, shutdown, and control of a typical plant pipeline compressor with a gas turbine driver.
The simulation model will include the following equipment:
  • Isolation valve(s)
  • Compressor inlet and discharge valves
  • Compressor suction scrubber - Centrifugal compressor
  • Gas turbine or electric motor driver
  • Anti-surge control valve - Compressor discharge cooler
  • Pressure, temperature, flow, and compressor speed instrumentation
The model will operate within established boundary conditions for a range of suction gas pressures and a range of discharge gas pressures.

The simulation model will include the following control loops (if applicable):

  • Suction gas pressure control
  • Discharge pressure control
  • Exhaust gas temperature control (Turbine T5)
  • Anti-surge control
The simulation model allows the course participant to work through exercises using a lap top computer under the guidance of the course instructor to achieve these learning objectives:
1. Appreciate the impact on compressor performance under different suction pressure conditions and under different discharge set point conditions.
2. Understand how the anti-surge control system works to protect the compressor from the surge condition.
3. Appreciate how the compressor control system responds when the compressor trips or when the inlet or discharge valves are closed during normal operation.
4. Go through the process steps of an orderly start-up and shutdown of the compressor and observe the changing operating conditions and control system dynamics.
5. Understand the impact on the compressor station when the compressor load is increased until the turbine T5 limit is reached.
6. Appreciate the impact on compressor performance of changes in composition and inlet temperature.
Click HERE to view the flyer

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