1. Characteristics of Sunlight
Figure 1.6: The Spectral Distribution of Sunlight
- Wave-Particle Duality
- Black Body Radiation
- The Sun and its Radiation
- Solar Radiation at the Earth's Surface
- Direct and Diffuse Radiation
- The Greenhouse Effect
- Apparent Motion of the Sun
- Solar Insolation Measurement
- Solar Energy and Photovoltaics
2. Semiconductors and P-N Junctions
Figure 2.2: Schematic of Energy Bands for Electrons in a Solid
- Semiconductors
- Semiconductor Types
- Absorption of Light
- Recombination
- P-N Junctions
3. The Behaviour of Solar Cells
Figure 3.12: The Effect of Shunt Resistance on the Fill Factor of a Solar Cell
- Effect of Light
- Spectral Response
- Effect of Temperature
- Effect of Parasitic Resistance
4. Cell Properties and Design
Figure 4.12: Use of a Four Point Probe to Measure the Sheet Resistivity of a Solar Cell
- Efficiencies
- Optical Losses
- Recombination Losses
- Top Contact Design
- Lab Cells vs. Industry Requirements
- Laser Grooved, Buried Contact Solar Cell
Equation 4.10: Total Power Loss
5. PV Cell Internconnection and Module Fabrication
Figure 5.8: The Impact on Module Output of a 'Bad' Cell in a String of Good Cells (after Ross and Smokler, 1986)
- Module and Circuit Design
- Identical Cells
- Non-identical Cells
- Non-identical Modules
- Hot-spot Heating
- Module Structure
- Environmental Protection
- Thermal Considerations
- Electrical Considerations
- Mechanical Protection
Figure 5.12: Effect on Total Output of a Poor Cell with a Bypass Diode
6. Stand Alone Photovoltaic System Components
Figure 6.2: Simplified Stand-alone Photovoltaic Power Systme (Mack, 1979)
- Introduction
- Stand-Alone PV System Design
- Solar Modules
- Batteries
- Lead Acid Batteries
- Other Battery Types
- Power Conditioning and Regulation
- Balance of System Components
7. Designing Stand Alone Photovoltaic Systems
Figure 7.1: Availability as a Function of Cost for a PV Based Power System in the North Eastern United States (Sandia National Laboratories, 1991)
- Introduction
- System Availability
- Hybrid Systems
- PV System Design Approach Used by Telstra Australia
- Sandia National Laboratory Approach
8. Specific Purpose Photovoltaic Applications
Figure 8.3: Potential (Voltage) Distribution Along a Pipe with Cathodic Protection (Tanascqu, 1988)
- Introduction
- Space
- Marine Navigation Aids
- Telecommunications
- Cathodic Protection
- Water Pumping
- Consumer Products
- Battery Chargers
- Photovoltaics for Developing Countries
- Refrigeration
- Solar Cars
- Lighting
- Remote Monitoring
- Direct-Drive Applications
- Electric Fences
9. Remote Area Power Supply (RAPS) Systems
Figure 9.3: Schematic Diagram of a Typical Photovoltaic-Diesel RAPS Hybrid System (Sandia National Laboratories, 1991)
- Household Power Systems
- RAPS System Costs
- Portable RAPS Systems
- Government and Utility Assistance Schemes
10. Grid Connected Photovoltaics
Figure 10.6: Placement of Blocking Diodes and Overcurrent Devices for Protection in a Solar Array
- Introduction
- PV Systems in Buildings
- Utility Applications for Photovoltaics
- Design Issues for Central Power Stations
- The Value of PV Generated Electricity
- Distribution Feeder "1103" (Kerman, California)
- Inernational PV Programs
11. Photovoltaic Water Pumping System Components
Figure 11.1: Common Water Pumping Terms (Sandia National Laboratories, 1991)
- Introduction
- System Configuration
- Water Pumps
- Motors
- Power Coniditioning Equipment
- Batteries
12. PV Water Pumping System Design
- Introduction
- Basic Steps in System Design
- Design of a Directly Coupled System