Energy, refining and petrochemicals

8 MW biomass power plant, Villacañas, Toledo (Spain, 2009) – Siemens PCS 7 control system

Client
BIOMASA BERKES
Year
2009
Area
Automation
Subsector
BIOMASS PLANTS
Specialties
Industrial automation, Basic and detailed engineering
Technology
Siemens PCS 7

Scope

Siemens PCS 7 V7.0 SP2 control system of the Villacañas biomass power plant: a wood-fired steam boiler with a gasifier (40 t/h, 40 barg, 450 °C) feeding an 8 MW turbine. CPU 416-2 DP controller and eight ET 200M I/O stations, with around 1,450 I/O channels.

  • 8 MWsteam turbine
  • 40 t/hof steam at 40 barg and 450 °C
  • ~1,450I/O channels
  • V7.0 SP2Siemens PCS 7 version

The Villacañas plant (Toledo) generates electricity from biomass: a wood-fired steam boiler with a gasifier produces 40 t/h of steam at 40 barg and 450 °C for an 8 MW turbine. In 2009 we implemented the plant’s Siemens PCS 7 control system for Biomasa Berkes, with eight ET 200M I/O stations.

Control architecture

  • CPU 416-2 DP controller with Profibus DP and Ethernet communications
  • Eight ET 200M stations with digital and analogue inputs and outputs
  • Two Profibus DP networks: one for the I/O and one for the drives and starters of the fans and dosing screws
  • Stack gas analyser integrated over Modbus through a Profibus gateway
  • AS/OS engineering and operator station
Hardware configuration: CPU 416-2 DP with the Profibus DP networks for I/O and for drives and starters
Hardware configuration: CPU 416-2 DP with the Profibus DP networks for I/O and for drives and starters
Electrical diagram of the Profibus DP network: I/O, fans, dosing screws and gas analyser
Electrical diagram of the Profibus DP network: I/O, fans, dosing screws and gas analyser
  • Siemens PCS 7 V7.0
  • CPU 416-2
  • ET 200M
  • Profibus DP
  • Drives
  • Biomass
  • Steam boiler
  • Steam turbine

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