Transcript HYDROGEMS HYDROGen Energy ModelS - UW

HYDROGEMS
HYDROGen Energy ModelS
HYDROGEMS
HYDROGen Energy ModelS
Øystein Ulleberg
Ronny Glöckner
Institute for Energy Technology (IFE)
Norway
Web version, 2002.08.08
Contents
• Vision
• Objectives
• Background
 PV/H2 Systems
 Wind/H2 Systems
• Overview
 HYDROGEMS
 TRNSYS
 EES
• Examples
 PEM Fuel Cell Modeling
 Wind/H2 System Simulation
• Downloads
Vision
Provide Modeling tools
for Simulation of
– RE/H2 Systems –
Integrated Hydrogen
Systems based on
Renewable Energy
Objectives
• System Design
• Analysis of Control Strategies
• Techno-Economic Optimization
Background
Related Activities at IFE
• Modeling of Integrated Hydrogen Systems
based on Renewable Energy
 PV-H2 stand-alone power systems
 Wind-H2 mini-grid power systems
 Desentralized H2 refueling stations
• Development of Laboratory for Testing of
Small-Scale Stand-Alone Power Systems
 Metal Hydrides storage
 PEM water electrolysis
 PEM fuel cells
PV/H2 Systems
Stand-alone Power Systems
Photovoltaic cells
Stand-alone
power supply
DC–Busbar
H2
H2
Electrolyzer
Fuel Cell
O2
Low Pressure Buffer
O2
High Pressure Storage
Pb–Battery
Wind/H2 Systems
Re
gio
n
al
gr
id
Grid Connected & Mini-grid Systems
Local load
Wind turbines
AC-grid (high voltage)
Transmission
line
~
~
AC-grid (low voltage)
~
AC / DC
H2-storage
Electrolyzer
DC / AC
Fuel cell
Hydrogen System
Transformer
station
HYDROGEMS
HYDROGen Energy ModelS
Photovoltaics
Diesel Engine
Generator System
Wind Energy
Conversion
Water Electrolysis
PEM Fuel Cells
Alkaline Fuel Cells
Power
Conditioning
Pb-Battery
Hydrogen Storage
TRNSYS
TRaNsient SYStem simulation program
Solar Thermal
Collectors
Building
Structures
Thermal Storage
Heat Exchangers
HVAC equipment
Hydronics
Physical
Phenomena
Utility
Output
EES
Engineering Equation Solver
Text Editor
Tables
Model equations
Parametric
Lookup
Diagram Window
User Interface
External
Functions
User-written
NonLinear
Equation
Solver
External
Data
Built-in functions
Thermodynamics
Transport Properties
Substances
• Steam, Air
• Air/watermixtures
• Refrigerants
• Gases (JANAF)
• Hydrocarbons
EES User Interface
PEMFC Model
Current Voltage Characteristics
1.2
H2/O2 T=70°C, p=3 bar
Cell Voltage, V
1.0
H2/Air T=70°C, p=3 bar
H2/Air T=40°C, p=3 bar
0.8
H2/Air T=40°C, p=1.5 bar
0.6
0.4
0.2
0.0
0
250
500
750
1000
1250
2
Current Density, mA/cm
1500
PEMFC Model
Thermal Behavior
120
120
Steady-state operation
Cool down
100
100
Current, A
Current
Tmax
80
80
60
60
Temperature
40
40
Tamb
20
20
0
0
0
1
2
3
Time, hour
4
5
Temperature, °C
Warm up
Wind/H2
System Simulation
Wind Energy
Other RE Options
Electrical Load
General Public
Photovoltaics
Wave Power
~
Desalination
Low voltage AC–grid
~
=
Inverters
Electrolyzer
~
=
~
Fuel Cell
H2–Storage
Compressor
Hydrogen System
Proposed System
Diesel Engine Generators
Existing System
TRNSYS User Interface
EES/HYDROGEMS
Demo Program
A download is available at:
www.hydrogems.no
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.
Website
www.hydrogems.no