RELIABILITY ANALYSIS OF IGBT FOR PV INVERTER WITH REACTIVE POWER OUTPUT CAPABILITY

被引：0
|
作者：
Zhang B. [1 ]
Gao Y. [2 ]
Li T. [3 ]
Hu X. [3 ]
Wang L. [3 ]
机构：
[1] Key Laboratory of Distributed Energy Storage and Micro-grid of Hebei Province North China Electric Power University, Baoding
[2] School of Electrical Engineering, Southeast University, Nanjing
[3] Hebei Electric Power Research Institute, Shijiazhuang
来源：
Taiyangneng Xuebao/Acta Energiae Solaris Sinica | 2024年 / 45卷 / 06期
关键词：
distribution network; junction temperature; LightGBM model; photovoltaic inverter; reliability analysis; solar energy;
D O I：
10.19912/j.0254-0096.tynxb.2023-0198
中图分类号：
学科分类号：
摘要：
In this paper，a data-driven IGBT reliability evaluation method is proposed to quantitatively evaluate IGBT reliability in PV inverters according to active power，reactive power，solar irradiance and ambient temperature. At the same time，LightGBM machine learning model is used to replace the traditional thermoelectric coupling model，which effectively improves the calculation efficiency of IGBT junction temperature and reduces the dependence of IGBT reliability evaluation results on IGBT model parameters. Finally，based on IEEE 33 node distribution system，the reliability of IGBT PV inverters participating in reactive power regulation of distribution network was evaluated quantitatively. © 2024 Science Press. All rights reserved.
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页码：296 / 302
页数：6
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