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Power Limitation Control for a PMSG-Based Marine Current Turbine at High Tidal Speed and Strong Sea State

Communication avec acte
Auteur
ZHOU, Zhibin
ccSCUILLER, Franck
13094 Institut de Recherche de l'Ecole Navale [IRENAV]
CHARPENTIER, Jean-Frederic
BENBOUZID, Mohamed
55607 Laboratoire brestois de mécanique et des systèmes [LBMS]
TANG, Tianhao

URI
http://hdl.handle.net/10985/8824
DOI
10.1109/IEMDC.2013.6556195
Date
2013

Résumé

This paper deals with the control strategies for a fixed-pitch marine current turbine (MCT) when the marine current speed exceeds the rated value corresponding to the rated power of generator and converter. Over-rated marine currents occur at large spring tides or under strong sea states; in these cases maximum power point tracking (MPPT) strategies must be changed to power limitation strategies for limiting the generator power at rated value. In this paper, two power limitation strategies with flux-weakening control are investigated. A feedback flux-weakening control is applied to extend the rotor speed operating range over the nominal MPPT tracking speed during high speed marine currents. In the speed control strategy, the turbine power characteristics are used to generate the rotor speed reference and the power limitation can be obtained at steady-state. In the torque control strategy, the generator torque is directly calculated by the power limitation and the rotor speed; this method enables to control the generator power at the limited value at dynamic process. Both strategies are investigated and compared at high tidal speeds without and with swell effect.

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  • Institut de Recherche de l’École navale (IRENAV)

Documents liés

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  • A review of energy storage technologie sfor marine current energy systems 
    Article dans une revue avec comité de lecture
    ZHOU, Zhibin; BENBOUZID, Mohamed; CHARPENTIER, Jean-Frederic; ccSCUILLER, Franck; TANG, Tianhao (Elsevier, 2013)
    Increasing concerns about the depletion of fossil resources and the issue of environment lead to a global need for producing more clean energy from renewable sources. Ocean is appreciated as a vast source of renewable ...
  • An Up - to - Date Review of Large Marine Tidal Current Turbine Technologies 
    Communication avec acte
    ZHOU, Zhibin; ccSCUILLER, Franck; CHARPENTIER, Jean-Frederic; BENBOUZID, Mohamed; TANG, Tianhao (IEEE, 2014)
    Owning to the predictability of tidal current resources, marine tidal current energy is considered to be a reliable and promising renewable power source for coastal areas or some remote islands. During the last 10 years, ...
  • Power Smoothing Control in a Grid-Connected Marine Current Turbine System for Compensating Swell Effect 
    Article dans une revue avec comité de lecture
    ZHOU, Zhibin; ccSCUILLER, Franck; CHARPENTIER, Jean-Frederic; BENBOUZID, Mohamed; TANG, Tianhao (IEEE, 2013)
    Variations of marine current speed may lead to strong fluctuations in the power extracted by a marine current turbine (MCT). During short-time period, swell effect is the main cause for the current speed variations. ...
  • Grid-Connected Marine Current Generation System Power Smoothing Control Using Supercapacitors 
    Communication avec acte
    ZHOU, Zhibin; ccSCUILLER, Franck; CHARPENTIER, Jean-Frederic; BENBOUZID, Mohamed; TANG, Tianhao (IEEE, 2012)
    Swell is the main disturbance for marine tidal speed. The power harnessed by a marine current turbine (MCT) can be highly fluctuant due to swell effect. Conventional Maximum Power Point Tracking (MPPT) algorithm will require ...
  • Application of Flow Battery in Marine Current Turbine System for Daily Power Management 
    Communication avec acte
    ZHOU, Zhibin; ccSCUILLER, Franck; CHARPENTIER, Jean-Frederic; BENBOUZID, Mohamed; TANG, Tianhao (IEEE, 2014)
    Predictable tidal current resources make marine current turbine (MCT) generation system highly attractive as an electricity supply source for coastal areas and remote islands. However, the tidal speed varies greatly due ...

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