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Automation renewal project for Rauhalahti power plant

07 August 2012

Jyväskylän Energiantuotanto Oy has signed an agreement with Metso for an automation renewal project at its Rauhalahti power plant in Jyväskylä, Finland.

Jyväskylän Energiantuotanto Oy has signed an agreement with Metso for an automation renewal project at its Rauhalahti power plant in Jyväskylä, Finland.

Production capacity of the main boiler at the plant is 140 MW of district heat and 87 MW of electricity. The capacity of the district heat boiler is 40 MW. The plant runs on peat, wood fuel and coal.

Since its startup in 1986, the plant has been controlled with a Damatic Classic automation system supplied by Metso. Combustion automation was upgraded to the Damatic XD system when the plant was converted to fluidised bed combustion. The complete plant automation system will now be modernised to Metso DNA. At the same time, the old PLCs in the burners, ash handling and water treatment and soot blowing processes will also be replaced with Metso DNA.

The renewal project will also include a plant-wide energy management system, including multipurpose reporting applications as well as a fuel management system. Condition monitoring will be integrated with Metso DNA which will also monitor the rotating equipment and predict its need for service.

The modernised automation system will have a connection to the Keljonlahti power plant that was started up in 2010. It is the company's main production facility and also runs with Metso's automation. As both of the plants will be connected to the Metso DNA user interface, the flow of information from one plant to another will be improved and joint control will be possible.


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