具备无功输出能力的光伏逆变器IGBT可靠性分析

张波; 高远; 李铁成; 胡雪凯; 王磊

doi:10.19912/j.0254-0096.tynxb.2023-0198

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (6) : 296-302. DOI: 10.19912/j.0254-0096.tynxb.2023-0198

具备无功输出能力的光伏逆变器IGBT可靠性分析

张波¹, 高远², 李铁成³, 胡雪凯³, 王磊³

作者信息 +

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

Zhang Bo¹, Gao Yuan², Li Tiecheng³, Hu Xuekai³, Wang Lei³

Author information +

文章历史 +

摘要

提出一种基于数据驱动的绝缘栅双极型晶体管（IGBT）可靠性评估方法,根据光伏电源有功功率、无功功率、太阳辐照度、环境温度定量分析光伏逆变器IGBT可靠性。该方法利用LightGBM机器学习模型刻画IGBT工况和IGBT结温之间的非线性映射关系,有效解决了IGBT可靠性评估中IGBT结温计算耗时长、依赖模型参数的问题。最后,基于IEEE 33节点配电系统对参与配电网无功调控的光伏逆变器IGBT可靠性进行量化评估分析。

Abstract

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.

导出引用

张波, 高远, 李铁成, 胡雪凯, 王磊. 具备无功输出能力的光伏逆变器IGBT可靠性分析[J]. 太阳能学报. 2024, 45(6): 296-302 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0198

Zhang Bo, Gao Yuan, Li Tiecheng, Hu Xuekai, Wang Lei. RELIABILITY ANALYSIS OF IGBT FOR PV INVERTER WITH REACTIVE POWER OUTPUT CAPABILITY[J]. Acta Energiae Solaris Sinica. 2024, 45(6): 296-302 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0198

中图分类号： TM615

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