OBJECTIVES: After studying this chapter, you will be able to

Name the principal components of a wind turbine

Understand that wind turbines can work in different ways based on the type of their generator

Describe how many ways solar energy can be utilized

Describe how solar energy is converted to electric energy

Understand that, like batteries, the electricity from solar panels is DC in nature

Explain what type of electric generators are used in wind turbines

Explain why most wind turbine generators are not similar to those in other power plants

Describe how frequency can be changed in AC electricity

Define DFIG

Describe how a variable speed wind turbine works

Understand the use of power converters in wind turbines and photovoltaic systems

Understand and use the terms direct drive, subsynchronous, and supersynchronous