Renewable Energies，the State of the Art Future Trends

摘要

Fossil fuels are major cause of environmental destruction in pollutions.It has created much needed momentum for renewable energies，which are environmentally benign，generated locally,and can play a significant role in developing economy.As a sustainable energy sources，it can grow at a rapid pace to meet increasing demands for electricity in a cost-effective way.Power electronics play an important role in both the environment protection and renewable energy utilization.