Control strategy for AWS based wave energy conversion system

Wu, Feng; Zhang, Xiaoping; Ju, Ping

doi:10.1109/pes.2010.5589643

Cited by 10 publications

(7 citation statements)

References 6 publications

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“…Where p is the differential operator with respect to time t (p=d/dt); z and U z are the distance and speed of the floater, respectively; mt is the total mss of the floater and the LPMG translator; FWAVE is the driving force acting on the floater The LPMG's model based on dq-axis reference frame fixed in the translator can be written by [6], [8]: …”

Section: B Framework Of Aws-based Wpgsmentioning

confidence: 99%

Dynamic Stability Enhancement of Hybrid System Using Fuzzy Logic Controller

2017

IJAERD

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Section: B Framework Of Aws-based Wpgsmentioning

confidence: 99%

Dynamic Stability Enhancement of Hybrid System Using Fuzzy Logic Controller

2017

IJAERD

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“…In the past, different types of wave energy conversion(WEC) devices have been developed [8]- [10]. Among the WEC devices developed, Archimedes wave swing(AWS) is the first WEC device to adopt the direct-drive power takeoff technique, which leads to higher energy conversion efficiency.…”

Section: Aws and Wec Systemmentioning

confidence: 99%

“…Thus, the mechanical dynamics of the AWS can be described by the motion equation as follows [6], [8].…”

Section: Fig3 Configuration Of the Awsmentioning

confidence: 99%

“…Thus the ocean energy allures more and more attention. With the profile of low investment and high energy density, the ocean wave energy seems to be one of the abundant energies that can be converted to electrical power, enabling devices to extract more power from a smaller volume at consequent lower costs and reduce visual impact [8]- [10]. The Archimedes Wave Swing (AWS) is a unique wave energy conversion system as it is completely submerged.…”

Section: Introductionmentioning

confidence: 99%

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Fuzzy Logic Controller Based Dynamic Stability Enhancement of Wpgs, Pv and Super Capacitor Inter-Connected System

2017

IJAERD

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This paper proposes a new method for enhancing the dynamic stability enhancement of a hybrid wave and photovoltaic(PV) power generation system integrated into a distribution power grid. The wave power generation system (WPGS) is simulated by a linear permanent magnet generator (LPMG) driven by an Archimedes wave swing (AWS). The output of the WPGS and the PV system are connected to a common DC-link through a voltage-source converter(VSC) and a DC/DC boost converter, respectively. The common DC-link is interfaced to the distribution power grid via a voltage-source inverter (VSI). A super-capacitor (SC)is utilized to smooth the generated power delivered to the distribution power grid. The proposed control scheme to maintain stable operation of the system while achieving maximum power extraction for the wave system and the PV system is test in matlab environment and results are compared with conventional controller.

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“…Due to the advantages of the controllable power factor, bidirectional power flows, reduced current distortions, and high reliability, 2-level back-to-back PWM converters have been widely applied in the wind power industry [1][2][3][4][5][6]. In traditional applications, the DC link capacitors are used to decouple the generator-side converter and grid-side converter so that the 2 converters can be driven independently.…”

Section: Introductionmentioning

confidence: 99%

Passivity-based robust controller design for a variable speed wind energy conversion system

Wang¹,

Wang²,

Cai³

et al. 2016

Turk J Elec Eng & Comp Sci

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This paper proposes a design method for a robust controller to improve the stability and system dynamic behavior for variable speed wind energy conversion systems. By analyzing the mathematical model of a wind power conversion system, control strategies for both a generator-side converter and a grid-side converter are given. For the generator-side converter, the well-known maximum power point tracking method is employed, while for the grid-side converter, a robust controller is presented based on passivity theory. The L2 -gain performance is analyzed using linear matrix inequality. Moreover, in order to accelerate the dynamic response and reduce the DC link voltage fluctuations, the optimum equilibrium points of the system are designed based on the analysis of the dynamic equations of the DC link voltage. Finally, the proposed method is verified a by hardware-in-the-loop simulation.

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Control strategy for AWS based wave energy conversion system

Cited by 10 publications

References 6 publications

Dynamic Stability Enhancement of Hybrid System Using Fuzzy Logic Controller

Dynamic Stability Enhancement of Hybrid System Using Fuzzy Logic Controller

Fuzzy Logic Controller Based Dynamic Stability Enhancement of Wpgs, Pv and Super Capacitor Inter-Connected System

Passivity-based robust controller design for a variable speed wind energy conversion system

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