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GRID-CONNECTED CONVERTER CONTROL STRATEGY BASED ON RELATIONSHIP BETWEEN MAGNITUDE AND PHASE OF SYSTEM VOLTAGE

Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.4, No. 3)

Publication Date:

Authors : ;

Page : 366-369

Keywords : grid-connected converter; power adjustment; renewable energy power system; control strategy;

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Abstract

Grid-connected converter is an important power interface between the DC bus of renewable energy power system and public grid. By virtue of vector relation of grid voltage, converter voltage and line impedance voltage, realtime control of active current and reactive current injected into the grid is realized. The simulation results show that grid-connected converter based on relationship between magnitude and phase of system voltage can flexibly regulate active power and reactive power system, and meet the requirement of grid connection of renewable energy power system.

Last modified: 2015-04-03 21:24:45