Abstract
This paper reviews different permanent magnet synchronous generator (PMSG) operated in wind energy systems and solar energy systems. A complete survey has been made towards the new contributions for harmonic compensation and new efficient topologies in the last five years to improve the efficiency, reliability and cost of the wind energy system. Different power electronic converters, which are connected between generator and the load/ grid, have been investigated on based on harmonic compensation, efficient working, and high power rating conversion. The wind generation system is still a challenge to extract smooth power from wind. To improve the power quality of the system such as islanding problem and power variation, different renewable storage systems are discussed and compared. Finally, discussion about the different controller is presented to fulfill the load or grid requirement.
Highlights
The Power supply from mere conventional sources cannot satisfy modern electrical needs and poses the problem of reliability and safety of the power supply, while a large amount of pollutants poses serious environmental problems
Decentralized generation (DG), which is based on hybrid systems for renewable energy systems, is the most recent trend in the field of renewable energy, as it has been shown to improve overall performance and reliability
Hybrid photovoltaic and solar wind systems have recently attracted the attention of public services around the world [1]
Summary
The Power supply from mere conventional sources cannot satisfy modern electrical needs and poses the problem of reliability and safety of the power supply, while a large amount of pollutants poses serious environmental problems. Over the past two decades, renewable and decentralized energy sources have emerged as a complement to traditional energy sources and are seen by utility engineers as an effective solution to meet load requirements in order to successfully overcome electricity problems. Among all trendy renewable energy sources, wind and solar sources have been used efficiently in various hybrid systems. Strong winds and cloudy days are observed at night, while weak winds occur on clear days. Regardless of their intermittent behavior and associated disadvantages, hybrid wind and photovoltaic systems are used to provide energy to the load with greater reliability and continuity of supply
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