Comparison of Voltage Sag Generators for Wind Power System
作者： Shuju Hu , Jianlin Li , Honghua Xu
DOI: 10.1109/APPEEC.2009.4918228
关键词:
摘要: Low voltage ride through (LVRT) capability is required by new power system operating codes, then sag generator (VSG) generally used to simulate different faults. The work principles of transformer and bidirectional switches based VSG full-power converter are explained discussed, the former can choose relay, thyristor or IGBT as switches, comparison research several solutions carried out analysis experiment. experiment results make that powerful but its control complex; has simple structure high reliability, various types faults, transition between normal fault operation smooth, provide favorable conditions verify LVRT wind system.
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