三相并网太阳能逆变器在LVRT中的电压和频率响应

2020 International Conference on Smart Technologies in Computing, Electrical and Electronics (ICSTCEE) Pub Date : 2020-10-09 DOI:10.1109/ICSTCEE49637.2020.9276941

K. J. Kumar, R. Sudhir Kumar, V. Nandakumar

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引用次数: 4

摘要

本文的目的是对三相太阳能光伏并网串逆变器在低压穿越过程中的电压和频率响应进行校核。逆变器的LVRT性能正在通过其是否符合印度中央电力局(CEA) 2019年并网设备指南进行检查。研究表明，在LVRT下，逆变器电压随电网变化，但在频率变化情况下，逆变器电压瞬变较小。同样，逆变器产生的电压谐波在整个曲线范围内，但在从100%电压电平到15%电压电平的过渡过程中超过5%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Voltage and frequency response of three phase grid tie solar inverter during LVRT

The aim of this paper to check the voltage and frequency response of three phase solar PV grid tie string inverter during low voltage ride through. The LVRT performance of an inverter is being checked by its compliance to Central Electricity Authority (CEA), India guidelines, 2019 for grid tie equipment. The study shows that the voltage of the inverter follows the grid with LVRT but in case of frequency, small transients were observed. Similarly, the voltage harmonics generated by the inverter is within the limit throughout the curve but exceeds 5% during the transition from 100% to 15% voltage level.

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2020 International Conference on Smart Technologies in Computing, Electrical and Electronics (ICSTCEE)

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