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储能变流器及其电弧故障检测方法

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10Claims · 2 independent
§ Ⅰ

Dossier Overview

Inventor

冯容乾; 任嘉庚; 周毅; 樊秀梅

Filing Date

Sep 16, 2026

Publication Date

Oct 20, 2026

IPC Classification

H02H 7/12 (2006.01)H02H 3/02 (2006.01)H02H 1/00 (2006.01)H02J 13/36 (2026.01)H02J 13/12 (2026.01)H02J 13/13 (2026.01)G01R 31/12 (2020.01)

本发明提供了一种储能变流器及其电弧故障检测方法。该方法包括:获取储能变流器光伏侧和电池侧的电气信号;对电气信号进行预处理并输入轻量化模型得到电弧概率值和异常评分值;当电弧概率值超过预设的关断阈值时关断储能变流器的功率开关;当电弧概率值未超过预设的关断阈值但异常评分值超过预设的告警阈值时,向云端上传储能变流器的工况数据,包括电气信号、电弧概率值以及异常评分值,供云端训练模型识别电弧类型并生成固件升级包;接收固件升级包,并在重启后加载以完成版本更新,使更新后的轻量化模型能够识别对应工况数据的电弧类型。本发明能够提升储能变流器电弧故障检测的抗干扰能力和识别精度,降低误报率和漏报率。

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