Test method applicable to low voltage ride through test of photovoltaic power station

The invention relates to the technical field of new energy and energy conservation, in particular to a test method applicable to a low voltage ride through test of a photovoltaic power station which can continue testing particularly in a situation without external natural conditions. According to th...

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Hauptverfasser: WANG XUAN, ZHANG JIE, YANG XIAOKU, CONG GUIBIN, LIANG YING, LI CHUNLAI, YANG JUN, LIU KE, YANG LIBIN, KONG XIANGPENG, SONG RUI, XUE JUNRU, ZHANG HAINING, MA YONGFEI, YANG JIA, ZHAO SHICHANG
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention relates to the technical field of new energy and energy conservation, in particular to a test method applicable to a low voltage ride through test of a photovoltaic power station which can continue testing particularly in a situation without external natural conditions. According to the test method applicable to the low voltage ride through test of the photovoltaic power station, an anode generatrix and a cathode generatrix of a square matrix of an inverter adjacent to a tested inverter are connected in parallel with an anode generatrix and a cathode generatrix of a square matrix of the tested inverter through a test anode parallel connection wire and a test cathode parallel connection wire. By the new test method provided by the invention, the low voltage ride through test can be continued in the situation without the external natural conditions; the test testing time is prolonged to over twice the test testing time in a conventional test method; the effect is particularly obvious when radiant