双馈风电场损耗最小化的有功无功协调优化控制

doi:10.19595/j.cnki.1000-6753.tces.190492

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Abstract Based on the optimal power flow (OPF) model, an optimal active and reactive power coordination control strategy for doubly fed induction generator (DFIG) based wind farms (WFs) is proposed to minimize the total loss of the WF, dispatch active and reactive power inside the DFIG WFs and realize active power download operation. The losses inside a DFIG include the generator copper loss and the losses of converters, which can be reduced by optimally dividing the reactive power between the stator and the grid side converter. Combining the DFIG reactive power dividing strategy, the coordinated control for active and reactive power of the DFIG-based WFs is constructed into an OPF problem based on the linearized DistFlow model. The proposed strategy can minimize the total losses inside the DFIG-based WFs so as to reduce cumulative fatigue effect of the power devices such as converters. The results of the simulation built in Matlab/Simulink show that the proposed strategy can reduce the total losses of the DFIG-based WFs with the premise of tracking active power demands and dispatching reactive power inside the DFIG wind turbine (WT).

Key words： Wind power generation doubly fed induction generator linearized DistFlow model loss minimization coordinated control for active and reactive power

Received: 26 April 2019 Published: 12 February 2020

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TM614

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	Rong Fei
	Li Peiyao
	Zhou Shijia

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Rong Fei,Li Peiyao,Zhou Shijia. Coordinated Optimal Control with Loss Minimization for Active and Reactive Power of Doubly Fed Induction Generator-Based Wind Farm[J]. Transactions of China Electrotechnical Society, 2020, 35(3): 520-529.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.190492 OR https://dgjsxb.ces-transaction.com/EN/Y2020/V35/I3/520

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