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Simulation and Study on Operation Control of Microgrid Based on the Wind Turbine

Author: YangRenHua
Tutor: HuangWei
School: North China Electric Power University (Beijing)
Course: Proceedings of the
Keywords: Microgrid DFIG MS2 Islanded operation
CLC: TM743
Type: Master's thesis
Year: 2009
Downloads: 1096
Quote: 8
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Abstract


The rapid penetration of a large number of distributed generations poses new challenges for the safe and effective operation of the main grid.A better way to realize the emerging potential of distributed generation is to take a system approach which views generation and associated loads as a subsystem or a "micro-grid".A growing number of scholars are studying on controlling and operating management of microgrid at home and abroad.Based on microgrid structure composed of the doubly fed induction generator(DFIG) and MS2,this thesis discusses modeling and control strategy on two different kinds of microsources in detail.As an intermittent energy resource,to maximize output power of the DFIG,a control strategy based upon maximum point of power tracking is used to deliver the maximum power under all viable conditions.While the control strategy of the MS2 switches from P/Q-control during grid-connected operation to either droop-control or frequency/voltage-control when islanded.Finally,the simulation results show that the microgrid has the ability to operate stably and autonomously.And the microsources can control coordinately in every case,for instance,change of wind speed or different loads.The control strategy designed is feasible and effective.

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system simulation and calculation > Modeling and Simulation
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