Transactions of China Electrotechnical Society  2016, Vol. 31 Issue (9): 25-33    DOI:
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Optimal Control of Distributed Harmonic Compensation in Low-Voltage Distribution Network with Multiple Feeders
Zhu Guofeng, Mu Longhua
College of Electronics and Information Engineering Tongji University Shanghai 201804 China

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Abstract  Focusing on the issue of harmonic distortion in the low-voltage distribution network with multiple feeders,this paper buildsa distributed active filtering system with multifunctional photovoltaic inverters working as the basic units.By modeling and analyzing the harmonic resources,the positive effect of harmonic voltage on the point of common coupling (PCC)can be utilized rationally.Under the consideration of capacity limitation of the multifunctional inverts,a multiple objectivefor harmonic suppression is developed,which canachieveanoptimized allocation of harmonic compensation for each distribution feeder.Subsequently,the characteristics of different harmonic compensation strategies are compared by Matlab/Simulink and the simulation results verify the effectiveness of the proposed strategy.Compared with existing harmonic filtering system,the proposed distributed active filtering system optimizes the effect of harmonic suppression on PCC and reduces the capacity for harmonic compensation at the same time.
Key wordsLow-voltage distribution network      distributed active filtering      multifunctional inverter      point of common coupling      capacity limitation     
Received: 14 October 2015      Published: 07 July 2016
PACS: TM615  
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Zhu Guofeng
Mu Longhua
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Zhu Guofeng,Mu Longhua. Optimal Control of Distributed Harmonic Compensation in Low-Voltage Distribution Network with Multiple Feeders[J]. Transactions of China Electrotechnical Society, 2016, 31(9): 25-33.
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