Design and Testing of a Linear Generator for Wave-Energy Applications

Hodgins, N.; Keysan, Ozan; McDonald, Alasdair; Mueller, Markus

doi:10.1109/tie.2011.2141103

Cited by 128 publications

(58 citation statements)

References 24 publications

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“…In contrast, the main disadvantages are the low power to weight ratio (very large machines are required) and the necessity of a heavy structure due to the attractive forces between the stator and the translator. In order to avoid such large and heavy structures, air-cored/iron-less configurations [126,127] have been suggested, which result in significant structural savings and magnetic force reductions.…”

Section: Linear Permanent Magnet Generatorsmentioning

confidence: 99%

A Review of Wave-to-Wire Models for Wave Energy Converters

2016

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Control of wave energy converters (WECs) has been very often limited to hydrodynamic control to absorb the maximum energy possible from ocean waves. This generally ignores or significantly simplifies the performance of real power take-off (PTO) systems. However, including all the required dynamics and constraints in the control problem may considerably vary the control strategy and the power output. Therefore, this paper considers the incorporation into the model of all the conversion stages from ocean waves to the electricity network, referred to as wave-to-wire (W2W) models, and identifies the necessary components and their dynamics and constraints, including grid constraints. In addition, the paper identifies different control inputs for the different components of the PTO system and how these inputs are articulated to the dynamics of the system. Examples of pneumatic, hydraulic, mechanical or magnetic transmission systems driving a rotary electrical generator, and linear electric generators are provided.

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Section: Linear Permanent Magnet Generatorsmentioning

confidence: 99%

A Review of Wave-to-Wire Models for Wave Energy Converters

2016

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“…Wave Energy Converters D a wave energy converter with a direct drive linear generator [1][2][3][4]. The linear generators are proposed for WECs to simplify the overall structure.…”

Section: Magnet Linear Generator For Marinementioning

confidence: 99%

“…Direct drive PMLGs have been proposed for WECs and several design solutions have been outlined in [4][5][6][7][8][9][10][11][12]. In [4] flat air-cored design has been suggested.…”

Section: Magnet Linear Generator For Marinementioning

confidence: 99%

“…In [4] flat air-cored design has been suggested. The design has the advantage of eliminating the cogging force due to absence of stainless steel in the stator however, in order to generate sufficient magnetic field in the large air gap, an extra Permanent Magnets (PMs) are needed which on the other hand could increase the price of the machine.…”

Section: Magnet Linear Generator For Marinementioning

confidence: 99%

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Separated magnet yoke for permanent magnet linear generator for marine wave energy converters

Gargov

Zobaa

Pisică

2014

Electric Power Systems Research

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“…In recent years, linear motors have been widely used in transportation systems and industrial application with significant advantages that not need to launch a mechanical converter from rotational torque to linear force [1][2][3][4][5][6]. The conventional permanent-magnet (PM) linear motor exhibits higher efficiency and high power factor than the linear induction motor.…”

Section: Introductionmentioning

confidence: 99%

Mover Field Oriented Control of Linear Permanent-Magnet Vernier Motor Considering Loss Minimization

Qiu¹,

Zhao²,

Chen³

et al. 2017

Journal of Electrical Engineering and Technology

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-A linear permanent-magnet vernier (LPMV) motor has magnets and windings in the short mover, which is very suitable for long stroke applications. This paper proposed a new field oriented control with space vector pulse width modulation for the LPMV motor, which considers loss minimization. First, the topology of the LPMV motor is briefly presented. Then, the mathematical model is derived, and the mover field oriented control strategy is proposed. Also, the loss analysis is performed. Finally, the simulated and experimental results are given, verifying the feasibility and effectiveness of the proposed control strategy.

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Design and Testing of a Linear Generator for Wave-Energy Applications

Cited by 128 publications

References 24 publications

A Review of Wave-to-Wire Models for Wave Energy Converters

A Review of Wave-to-Wire Models for Wave Energy Converters

Separated magnet yoke for permanent magnet linear generator for marine wave energy converters

Mover Field Oriented Control of Linear Permanent-Magnet Vernier Motor Considering Loss Minimization

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