Design and Control of Fuel Cell System for Transport Application

Preface......Page 7
Nomenclature......Page 9
Introduction......Page 11
The Fundamental Principle of the Hydrogen Fuel Cell......Page 13
Efficiency and Open Circuit Voltage of a Hydrogen Fuel Cell......Page 14
Fuel Cell Types......Page 15
Using the PEM Fuel Cell for Transport Applications.......Page 16
PEM Fuel Cell Operating Principle......Page 19
The Fuel Cell Voltage......Page 21
Requirements for the Fuel Cell System......Page 27
The Load System......Page 33
Problem Definition......Page 34
Project Limitations......Page 35
Design of System and Components......Page 37
Overall Control Strategy......Page 47
Model Overview......Page 48
The Fuel Cell Model......Page 51
DC-DC Converter......Page 58
Sub Conclusion......Page 61
Major Components of the Air Side System.......Page 63
Control Strategy.......Page 64
Air Side System Components.......Page 68
Nonlinear Model of Air Side......Page 72
Linear Model of the Air side.......Page 74
Control of Air Side......Page 76
Verification and results.......Page 86
Sub Conclusion......Page 87
Modelling and Control of Humidification System.......Page 89
Modelling of Humidification System Components......Page 90
Control of Humidification System.......Page 98
Sub Conclusion......Page 100
System Overview......Page 101
Component Description......Page 103
Nonlinear Model......Page 108
Design of Control System......Page 109
Sub Conclusion......Page 112
Conclusion......Page 113
Material Demands for Components.......Page 117
Specification of the Components in the Hydrogen side......Page 118
Air Handling and Humidification......Page 119
Hydrogen Control Valves......Page 122
Air Control Valves......Page 125
Humidification (pos. 15-24-36)......Page 126
The Cooling System......Page 128
Safety Considerations Regarding Setup of Hydrogen Facilities......Page 130
Static model of humidification of air......Page 137
Purpose With the Electronics Setup......Page 145
Multiplexer and Channel Setup......Page 149
Primary Components......Page 152
Temperature Sensor Setup.......Page 159
Relative Humidity Sensors......Page 167
Pressure Sensors......Page 168
Current Board.......Page 176
Voltage Board......Page 178
Flowsensor Air Side.......Page 180
Flowsensors Hydrogen Side.......Page 184
Output Channel Setup......Page 187
Description of buck type converter......Page 191
Selection of Components......Page 193
Gate signals......Page 196
Layout of Buck Converter......Page 198
Air Compressor......Page 201
Air Exit Valves......Page 208
Orifice Constant Across Fuel Cell.......Page 213
Linearized Equations for Cathode Side......Page 215
Control Analysis of Anode side......Page 221
Model of The Ejector......Page 229