Load frequency controller for four bidding zones and control module for HVDC transmission
Berlin, September 12, 2022 - The Swedish transmission grid operator Svenska kraftnät has awarded PSI Software AG with the delivery of the control system PSIcontrol 4.9. In addition to the load frequency controller (LFC), the delivery includes an optional control module for high-voltage direct current (HVDC) transmission. This will be used to introduce an aFRR market in Sweden in the coming years in accordance with the European Electricity Balancing Guideline (EB-GL).
Due to the introduction of an aFRR market (secondary control reserve), Svenska kraftnät requires a load frequency controller to ensure system balancing for each of Svenska krafnät's total of four bidding zones. A real-time interface will be established between the LFC and ENTSO-E with PICASSO (Platform for the International Coordination of Automated Frequency Restoration and Stable System Operation), also implemented by PSI, to activate control power from a Europe-wide common merit order list.
In addition, an HVDC control module will be implemented as an option in order to flexibly use HVDC connections in the future, especially for system services. This is particularly essential considering that HVDC systems play a central role in reliable power transmission over long distances from the point of generation to the consumer.
The project will be managed in close cooperation with the Swedish subsidiary PSI Scandinavia in Karlstad. The overall project, including implementation and activation in Sweden, is scheduled for 12 months.
Svenska kraftnät operates the Swedish high-voltage transmission grid for electricity. With this order PSI wins an important new customer in Scandinavia in the area of transmission grid.
The PSI Group develops its own software products for optimizing the flow of energy and materials for utilities (energy grids, energy trading, public transport) and industry (metals production, automotive, mechanical engineering, logistics). The industry-specific products, which are built from standard components, are sold both directly and via the multi-cloud PSI App Store and can also be customized by customers and partners themselves. PSI was founded in 1969 and employs more than 2,200 people worldwide.
