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PVO-Vesivoima’s new central control system enhances plant operations

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PVO-Vesivoima’s hydropower plants in Finland will introduce a new central control system from Valmet.
The system will provide PVO-Vesivoima on the Iijoki, Kemijoki and Kokemäenjoki rivers with a better overview of the production process and enhance operation in electricity markets with new control solutions.
The new system is essential for the commercial use of hydropower. The system has been introduced in anticipation of changes in the rules and requirements of the electricity markets.
An example of such a change is the requirement of a 15-minute imbalance settlement period in electricity production.
The system makes it possible to have a better overall picture of weather conditions, flow rates and the electricity market situation.
“This is a higher-level control system whose geographical location is irrelevant. Power plants have their own machine and plant automation systems, and they are connected to the centralised SCADA system in Raasakka,” said project manager Tommi Hansen-Haug, from PVO-Vesivoima.
The system is operated using the web-based Valmet DNA User Interface (DNA UI).
The virtual automation system installed in the Raasakka power plant is operated from Tampere. The system is linked to hydropower plants and several third-party systems, such as the company’s energy management system, electricity distribution companies and the Finnish Environment Institute (SYKE).
To maximise safety, the system has been duplicated and installed physically in two locations.
“The project is in its final stage, and cooperation with Pohjolan Voima has been smooth. The virtual, completely duplicated system with the web-based Valmet DNA User Interface represents reliability and the latest technology in the field. The platform provides a good basis for future development and ideas,” added Arto Mäkinen, sales manager at Valmet.