Coordinated Voltage Control of Active Distribution Network

Yi YOU; Jiongcong CHEN; Nanhua YU

doi:10.13648/j.cnki.issn1674-0629.2015.09.012

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South Power Sys Technol ›› 2015, Vol. 9 ›› Issue (9) : 81-86. DOI: 10.13648/j.cnki.issn1674-0629.2015.09.012

System Analysis & Simulation

Coordinated Voltage Control of Active Distribution Network

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Abstract

The coordinated control and management of distributed generators in active distribution network(ADN) provide distribution system operators with more approaches to control voltage actively and make coordinated voltage control(CVC) possible in ADN.The impacts of distributed generators on existing voltage level and control strategies of distribution network are analyzed, based on which a hierarchical CVC framework and corresponding trategy of ADN are proposed.On one hand, the closed loop voltage control of single feeder is realized by means of CVC controller on the basis of accurate voltage estimation, on the other hand, transformer tap adjusting and capacitor switching are employed to ensure the voltage level and quality of multiple feeders.The effectiveness and practicability of the proposed CVC strategy are verified on a 2-feeder ADN.

Key words

distributed generators / active distribution network / coordinated voltage control / closed loop control

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Yi YOU , Jiongcong CHEN , Nanhua YU. Coordinated Voltage Control of Active Distribution Network[J]. Southern Power System Technology. 2015, 9(9): 81-86 https://doi.org/10.13648/j.cnki.issn1674-0629.2015.09.012

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