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Study on Islanding Detecting Method of Three-phase Grid-connected Photovoltaics System

Junmin Pan

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Abstract

The islanding problem in grid-connected photoltaics system and the traditional detecting methods were studied.There was non-detecting zone problem in the conventional methods of the islanding detecting.A new method using reactive power compensation was proposed.This method had the advantages of no non-detecting zone,high response speed and no influence on the output active power of the system.The simulation results by Matlab/ Simulink showed the method was effective.

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What this paper is about

The islanding problem in grid-connected photoltaics system and the traditional detecting methods were studied.There was non-detecting zone problem in the conventional methods of the islanding detecting.A new method using reactive power compensation was proposed.This method had the advantages of no non-detecting zone,high response speed and no influence on the output active power of the system.The simulation results by Matlab/ Simulink showed the method was effective.

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Available abstract

The islanding problem in grid-connected photoltaics system and the traditional detecting methods were studied.There was non-detecting zone problem in the conventional methods of the islanding detecting.A new method using reactive power compensation was proposed.This method had the advantages of no non-detecting zone,high response speed and no influence on the output active power of the system.The simulation results by Matlab/ Simulink showed the method was effective.

Key concepts: Islanding, Compensation (psychology), MATLAB, Grid, AC power, Power (physics), Computer science, Electronic engineering

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