1. Module 1/7: Solar Technology Basics

2. Module 1 : Solar
Technology Basics
Module 2: Solar Photo Voltaic Module Technologies
Module 3: Designing Solar PV Systems ( Rooftops)
Module 4: Designing Solar PV Systems (Utility Scale)
Module 5: Financial Analysis
Module 6: DPR (Detailed Project Report) & EPC
Module 7: The present Solar industry scenario and the future

3. Solar Panels: An eco-friendly electric generator
The Definition: A collection of individual silicon cells that generate
electricity from sunlight.
The physics: The photons (light particles) produce an electrical current as they
strike the surface of the thin silicon wafers.
The bright side: Generating free power from the sun by converting sunlight to
electricity with –
no moving parts
zero emissions
no maintenance

4. Technology Options for Solar power
Thermal PV
Low Temperature <100°C.
Med Temp <400°C. Focusing Parabolic
High Temp. >400°C.
Technology
Production Process
Solar Water Heating (FP/ET)
Parabolic Dish
Mono Crystalline Silicon
Wafer
Solar Chimney
Central Tower.
Polycrystalline Silicon
Thin Film
Solar Pong
Amorphous Silicon

5. Solar Photo Voltaic

6. Electricity Generation
Photovoltaic cells
directly convert sunlight
Into electricity.
Current is produced
based on types of silicon
(n- and p-types) used for
the layers.
Since there are no moving parts, there is no wear.
Lifespan is about years.

7. First generation PV System: Second Generation PV Systems:
Solar PV technologies are usually classified into three generations, depending on the basis material used and the level of commercial maturity.
First generation PV System:
Use of wafer based crystalline silicon (c-Si) either single crystalline or multi-crystalline.
Second Generation PV Systems:
Based on the thin-film technology and generally includes: Amorphous silicon
Cadmium Telluride (CdTe) and
Copper Indium – Selenide (CIS) & Copper Indium Gallium Di-Selenide (CIGS)
Third Generation PV Systems: Concentrating Solar PV (CPV), Desensitize PV, Polymer cells etc. are still in demonstration or have not yet been commercialized widely.

8. Single/mono-crystalline silicon solar cell
Pure and hence more efficient.
Most efficient solar cell technology till date, having a module efficiency of 15-19%.

9. Multi-Crystalline silicon solar cell (poly-Si or mc-Si)
Multiple layers of silicon and hence the name.
These cells have module efficiency of around 12-15%.

10. Thin film cell technology
Multiple thin layers of photovoltaic materials are imposed on a low cost substrate to form solar thin films. Different types of thin film solar cells available are:
Amorphous silicon (Efficiency: 5-7%)
Copper indium di-selenide (Efficiency: 9-11%)
Cadmium telluride (Efficiency: 8.5%)
Dye- sensitized (Efficiency: 5-12%)

11. THIN FILM POLYCRYSTALLINE SOLAR CELL
These are the new generation solar cells that contain multiple thin film layers of just 1 micron thick of photo voltaic materials.

12. Solar Thermal

13. SOLAR THERMAL SYSTEMS
Convert solar energy in the form of heat as the main energy source.
Main application:
1. Cooking
2. Water heating
3. Refrigeration
4. Electric power generation
The heart of a solar thermal system is solar collector. It absorbs solar heat, and transfers it to the system.
There are different design concepts for collectors such as flat-plate collectors, evacuated flat-plate collectors, evacuated-tube collectors and concentrating collectors.