Oceanic Wave Energy Conversion by a Novel Permanent Magnet Linear Generator Capable of Preventing Demagnetization

Farrok, Omar; Islam, Md. Rabiul; Sheikh, Md. Rafiqul Islam; Guo, Youguang; Zhu, Jun; Lei, Gang

doi:10.1109/tia.2018.2863661

Cited by 41 publications

(18 citation statements)

References 30 publications

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“…Four vigorous types of the WECs are oscillating water column (OWCs) [64], point absorber [65], surface attenuator [66], and overtopping device [67]. Advanced power take-off devices for seizing OWE contain hydraulic rams which is fundamentally a water pump, hydroelectric turbines, air turbine, and linear electrical generator [68].…”

Section: Prospect Of Oceanic Wave Energy and Existing Wecsmentioning

confidence: 99%

Progress in Piezoelectric Material Based Oceanic Wave Energy Conversion Technology

et al. 2020

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Recently, electrical engineers are paying great attention to develop oceanic wave energy conversion technologies based on the piezoelectric materials because of their excellent conveniences. Piezoelectric oceanic wave energy converters (OWECs) have several benefits over the others such as its small size, lightweight, no requirement of using intermediate device as well as having less negative impacts on the oceanic environment. Various review and research papers focus on the piezoelectric devices, their operation and application for oceanic energy conversion. But, to the best of the authors' knowledge, none of the existing research or review papers present detailed scheme of piezoelectric device based power generation covering all the relevant topics as depicted in this review. This paper focuses different aspects of piezoelectric device based oceanic wave energy conversion technology including prospect, historical development, classification, operating principle, configuration, arrangement, model, processing, post-processing, and their test setups. In addition, technical challenges, future direction of research and critical review are also illustrated. It is assumed that, this paper would play a significant role for the future development of piezoelectric OWECs and the researcher working in this field. INDEX TERMS Energy conversion, oceanic wave energy, piezoelectric material, piezoelectric generator, renewable energy, wave power.

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Section: Prospect Of Oceanic Wave Energy and Existing Wecsmentioning

confidence: 99%

Progress in Piezoelectric Material Based Oceanic Wave Energy Conversion Technology

et al. 2020

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“…Equations 3and (4) can be represented in a more compact form by using the logic of | | for the change of sign for both the directions of the velocity, as given in (5).…”

Section: Imentioning

confidence: 99%

“…Although, the technology developed for the wind energy sector can serve as a blueprint for the wave sector, but it cannot be directly applied to the wave energy technology, as these are two different forms of energies, the wind and the wave energy resources, which are radically different. The continuous unsettled nature of the waves produces a fluctuating power output from the WECs, and if the LEG is deployed, the electric output voltage frequency and amplitude will be variable [5]. The performance of the power take-off (PTO) unit of the WEC, which converts the kinetic and potential energy of the oscillating gravity waves into electrical energy, depends upon the control topology used.…”

Section: Introductionmentioning

confidence: 99%

Coupled Modeling and Advanced Control for Smooth Operation of a Grid-Connected Linear Electric Generator Based Wave-to-Wire System

Rasool

Islam

Muttaqi

et al. 2020

IEEE Trans. on Ind. Applicat.

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The perpetual oscillations of ocean waves produce potential energy, which can be converted to electrical energy with the help of direct drive linear generators. The fluctuating generated power poses a major challenge when it is supplied to the power grid. In this paper, a supercapacitor provides the short-term energy storage to buffer and smooth out the power fluctuations. A new coupled model of a wave energy converter and a linear generator is proposed for its response characterization under varying system conditions. The developed model and an advanced control strategy is used to exhibit a smooth and stable operation of the wave-to-wire system. The generator side converter is controlled to extract the maximum power from the waves and to minimize the generator losses by controlling its d-axis and q-axis currents. The grid side converter is controlled to keep the dc-link voltage constant and to generate the required voltage waveforms at the point of common coupling. The performance of the proposed control strategy for the wave-to-wire system is investigated under different applied diffraction forces. The simulation results show that with the use of proposed control scheme and the supercapacitor, the wave-to-wire system can operate in a smooth and stable operation under normal and fault conditions.

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“…Zhang et al [88] changed the geometry parameters of the slot so that the effect of the Halbach PM array configuration on the electromagnetic properties of the generator and design guides were established for optimization of the key design parameters. There are also studies on how to avoid the irreversible demagnetization of magnets using the superconducting windings [57,89,90,91].…”

Section: Direct Drive and In-direct Drive Power Take-off Systemsmentioning

confidence: 99%

A Survey of Power Take-off Systems of Ocean Wave Energy Converters

Z¹,

Zhang²,

Xiao³

et al. 2019

Preprint

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Ocean wave energy conversion as one of the renewable clean energy sources is attracting the research interests of many people. This review introduces different types of power take-off technology of wave energy converters. The main focus is the linear direct drive power take-off devices as they have the advantages for ocean wave energy conversion. The designs and optimizations of power take-off systems of ocean wave energy converters have been studied from reviewing the recently published literature. Also, the simple hydrodynamics of wave energy converters have been reviewed for design optimization of the wave energy converters at specific wave sites. The novel mechanical designs of the power take-off systems have been compared and investigated in order to increase the energy harvesting efficiency.

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Oceanic Wave Energy Conversion by a Novel Permanent Magnet Linear Generator Capable of Preventing Demagnetization

Cited by 41 publications

References 30 publications

Progress in Piezoelectric Material Based Oceanic Wave Energy Conversion Technology

Progress in Piezoelectric Material Based Oceanic Wave Energy Conversion Technology

Coupled Modeling and Advanced Control for Smooth Operation of a Grid-Connected Linear Electric Generator Based Wave-to-Wire System

A Survey of Power Take-off Systems of Ocean Wave Energy Converters

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