Research on Harmonic Characteristics Influence for Distribution Network with Renewable Energy

Research on Harmonic Characteristics Influence for Distribution Network with Renewable Energy

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In order to study the influence on harmonic characteristics of distribution network with renewable energy, a simplified model of distribution network is established to analyse theory while considering the influence of cable on the system capacitive current.Establishing an actual distribution network model by Digsilent to research the harmonic characteristics impact when photovoltaic estes c6-5 engines bulk pack power with PV incorporated the distribution network in a variety of different access , while using constant current source model as harmonic source model which often been used in engineering wax halloween candy practices.The simulation results show that: optimizing the access location and dispersion of PV can decrease the waveform distortion levels in distribution network and a certain number of high-order harmonic will magnify by a specific grid structure, deteriorating the distribution network power quality.