Power Conversion System for Improved Linear Generator in sea wave energy harvesting applications

Vincenzo Franzitta, Domenico Curto, Alessandro Lidozzi, Luca Solero, Marco Di Benedetto, Marco Di Benedetto

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Nowadays, many islands worldwide are lack of electrical energy. Thus, it is convenient to exploit available renewable energy sources, among which sea waves near the islands. This paper focuses on the power conversion system coupled with an offshore wave energy device, such as an improved linear generator, to be used for sea wave energy harvesting. Particularly, the design of the linear generator has been proposed to improve the energy efficiency of the entire system. The proposed power conversion system is composed by two Boost Rectifier (BR) directly coupled to the linear generator, and one Voltage Source Inverter (VSI), which it is used as front-end between the DC-bus and the grid. The proposed converters are realized using the Silicon Carbide (SiC) devices in order to improve the efficiency. Furthermore, the control strategy to regulate the generator side and grid side currents has been implemented. The proposed system has been validated using the Hardware-In-the-Loop (HIL) test bench and 20 kW SiC power converters.
Original languageEnglish
Title of host publication2020 Global Oceans 2020: Singapore - U.S. Gulf Coast
Number of pages6
Publication statusPublished - 2021

All Science Journal Classification (ASJC) codes

  • Oceanography
  • Automotive Engineering
  • Instrumentation
  • Signal Processing

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