1. HYDROGEMS HYDROGen Energy ModelS Øystein Ulleberg Ronny Glöckner Institute for Energy Technology (IFE) Norway Web version, 2002.08.08

2. Contents Vision Objectives Background  PV/H 2 Systems  Wind/H 2 Systems Overview  HYDROGEMS  TRNSYS  EES Examples  PEM Fuel Cell Modeling  Wind/H 2 System Simulation Downloads

3. Vision Provide Modeling tools for Simulation of – RE/H 2 Systems – Integrated Hydrogen Systems based on Renewable Energy

4. Objectives System Design Analysis of Control Strategies Techno-Economic Optimization

5. Background Related Activities at IFE Modeling of Integrated Hydrogen Systems based on Renewable Energy  PV-H 2 stand-alone power systems  Wind-H 2 mini-grid power systems  Desentralized H 2 refueling stations Development of Laboratory for Testing of Small-Scale Stand-Alone Power Systems  Metal Hydrides storage  PEM water electrolysis  PEM fuel cells

6. PV/H 2 Systems Stand-alone Power Systems

7. Wind/H 2 Systems Grid Connected & Mini-grid Systems

8. H Y D R O G E M S HYDROGen Energy ModelS PhotovoltaicsDiesel Engine Generator System Wind Energy Conversion Water ElectrolysisPEM Fuel CellsAlkaline Fuel Cells Power Conditioning Pb-BatteryHydrogen Storage

9. TRNSYS TRaNsient SYStem simulation program Solar Thermal Collectors Building Structures Thermal Storage Heat ExchangersHVAC equipmentHydronics Physical Phenomena UtilityOutput

10. EES Engineering Equation Solver Non- Linear Equation Solver Text Editor Model equations Steam, Air Air/water- mixtures Refrigerants Gases (JANAF) Hydrocarbons Built-in functions Thermodynamics Transport Properties Substances Diagram Window User Interface External Functions User-written External Data Tables Parametric Lookup

11. EES User Interface

12. PEMFC Model Current Voltage Characteristics

13. PEMFC Model Thermal Behavior

14. Wind/H 2 System Simulation

15. TRNSYS User Interface

16. EES/HYDROGEMS Demo Program A download is available at: www.hydrogems.no

17. TRNSYS/HYDROGEMS Models, Projects & Demo Program Registered TRNSYS 15 users can download the HYDROGEMS Library & Example Projects for free from http://sel.me.wisc.edu/TRNSYS/ A TRNSED download will soon be available from the same website.

18. Website www.hydrogems.no