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Insights from the Smart Grid RD2 Platform Construction: Design, Experience, and Future Work

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This paper by Henrik Stomberg discusses the comprehensive experience gained from the construction of the Smart Grid RD2 Platform in Ludvika, Sweden. It outlines the background of the project, focusing on optimized control of distributed renewable power production, storage, and demand response. The design includes advanced systems for energy storage, grid connection, and communication standards. Future work will involve power quality measurements, microgrid development, and verification of communication protocols. This work serves as a foundation for enhancing smart grid applications across various sectors.

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Insights from the Smart Grid RD2 Platform Construction: Design, Experience, and Future Work

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  1. Experience from construction of a Smart Grid RD2 Platform Agenda • Background • System Design • Experience • Future work Henrik Stomberg– Sweden – Session No 4 – Paper No 0325

  2. Background NOAA National Oceanic and Atmospheric Administration

  3. Background

  4. Background: Power consumptionpattern in private residence

  5. Background: Global irradiance, Ludvika, Sweden

  6. Experience from construction of a Smart Grid RD2 Platform Agenda • Background • System Design • Experience • Future work Henrik Stomberg– Sweden – Session No 4 – Paper No 0325

  7. VINNOVA is a Swedish government agencyunder the Ministry of Enterprise, Energy and Communications and the national contact agency for the EU Framework Programme for R&D

  8. Project: Smart Grid Energy Storage Solutions for optimized control in real time of distributed renewable power production, storage and demand response

  9. Energy storage & Control

  10. H2electro- lizer BatteryCapacitor Wind Solar Fuel cell System Design, STRI Smart Grid RD2 2 kW 3 kW 2 kW 1kW 48 V DC Converter Meter 230 VAC eCarcharg. H2fill. Truck charger AC system PQuality STRI 380 V

  11. “Cell Agent” LAB View Supervisory CS

  12. CCR – Container Control Room

  13. Control Modules and Control System - Combinedswitching and measuringcontrolmodules (CM) (left) - Computer for the control system (right)

  14. Singleline diagram RD2

  15. Homer optimizationmodel Hourlyconsumption Hourlyproduction Monthlyconsumption Monthlyproduction

  16. System Design for the RD2 • Grid-connected to a 10 kV/380 V multi-vender IEC 61850 station • Standardizedcommunicationand control of the RD2 • AC and DC bus system backbone • RemoteoperatedAC/DC switch and measurement sensors • Ethernetcommunication

  17. STRI Active Substation • 11 cubicles 10 kVswitchgear • Integratedprotection and control • IEC 61850 from 4 suppliers • Max 4 cells each for the IEDs(Intelligent Electronic Device) • Connected to the control system for localproduction and storage of energy Analog values from the supplystation via IEC 61850-9-2

  18. Experience from construction of a Smart Grid RD2 Platform Agenda • Background • System Design • Experience • Future work Henrik Stomberg– Sweden – Session No 4 – Paper No 0325

  19. Power generation during 24 hours

  20. Power generation during 24 hours Serie 2 = PV power (W), Serie 1= Power delivery (W)

  21. Our experience are to: • Specify the application and load • Decide DC and/or AC Bus • Communication standard decition • UseStandarizedequipment • Optimizeenergystorage system; (battery, H2, Fly-Wheel, biogas etc.) • Energy conversionoptimization • Measuringequipment and software

  22. Experience from construction of a Smart Grid RD2 Platform Agenda • Background • System Design • Experience • Future work Henrik Stomberg– Sweden – Session No 4 – Paper No 0325

  23. Future work • Power Quality measurements • Energy storage test bench • Microgrid and virtual power plant • Interuniversity cooperation • Optimized solutions for DER and energy storage • Applications for residentials, office, shopping centers, regions etc • Verification of communication • Develpment of software forMicro Grid CA Controller • Development of algoritmes for the operation

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