Different Types of Electrical Generators for Converting Wave Energy into Electrical Energy–A Review

Abstract

This review paper examines the various types of electrical generators used to convert wave energy into electrical energy. The focus is on both linear and rotary generators, including their design principles, operational efficiencies, and technological advancements. Linear generators, such as Induction, permanent magnet synchronous, and switched reluctance types, are highlighted for their direct conversion capability, eliminating the need for mechanical gearboxes. Rotary Induction generators, permanent magnet synchronous generators, and doubly-fed Induction generators are evaluated for their established engineering principles and integration with existing grid infrastructure. The paper discusses the historical development, environmental benefits, and ongoing advancements in wave energy technologies, emphasizing the increasing feasibility and scalability of wave energy as a renewable source. Through a comprehensive analysis, this review provides insights into the current state and future prospects of electrical generators in wave energy conversion, underscoring their potential to significantly reduce reliance on fossil fuels and mitigate environmental impacts.

Keywords

Wave energy / Rotary generators / Linear generators / Control systems / Wave energy converters

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