Module Overview

Module Learning Objectives

This is a quick video about where the state of the industry is going. We will do a bit more discussion of the site analysis as part of our next face to face class. We will work with the pathfinder and start working on system sizing and site analysis.

View an overview of this module at this link:

http://www.youtube.com/watch?feature=player_detailpage&v=sfDneYCMjAc

By the end of this module, you will be able to:

3-1 Describe the basic composition and use of PV cells.

3-2 Describe the photovoltaic effect and the fundamentals of PV cells.

3-3 Describe common PV cell materials.

3-4 Describe the advantages and disadvantages of different silicon wafers.

3-5 Explain the process of cell fabrication.

3-6 Describe the function of the current-voltage (I-V) curve.

3-7 Explain the differences between open-circuit voltage and short-circuit current.

3-8 Explain maximum power point, operating point, and system resistance.

3-9 Explain how a PV device responds to changes in solar irradiance and temperature.

3-10 Describe the basic function and construction of modules and arrays.

3-11 Describe the function and main features of bypass diodes.

3-12 Describe common module and array standards and performance ratings

3-13 Identify and describe the major components of PV systems.

3-14 List and describe common sources of electricity.

3-15 Describe stand-alone PV system configurations..

3-16 Define utility-interactive system and describe common metering arrangements.

3-17 Describe the main features of and uses for bimodal systems.

3-18 Identify the advantages and classifications of hybrid systems.