风电变流器中IGBT的可靠性分析  

Reliability Analysis of IGBT in Wind Power Converter

作　　者：张宏进 ZHANG Hongjin(Ningxia Branch of China Datang Group Co.,LTD.,Yinchuan Ningxia 750004)

机构地区：[1]中国大唐集团有限公司宁夏分公司,宁夏银川750004

出　　处：《中国科技纵横》2024年第22期138-140,共3页China Science & Technology Overview

摘　　要：随着经济社会快速发展和能源需求持续攀升,风力发电作为一种清洁、可再生的能源,展现出巨大的发展潜力。风电变流器作为风力发电系统中的关键组件,其可靠性直接影响到整个系统稳定运行。IGBT作为风电变流器的核心部件,其性能对风电变流器的效率和可靠性至关重要。本文首先概述风电变流器与IGBT的基本概念及作用,然后详细分析热循环、电气应力和环境因素对IGBT可靠性的影响。为了提升IGBT在风电变流器中的可靠性,本文从改进散热系统、提升材料性能与工艺水平以及强化维护与管理三个方面提出了具体措施。通过优化散热设计、选用高品质IGBT器件和封装材料、加强设备的定期维修与管理,可以有效提高IGBT的可靠性和稳定性,进而确保风力发电系统长期稳定运行,推动新能源事业蓬勃发展。With the rapid development of the country's economy and the continuous rise in energy demand,wind power as a clean and renewable energy source has shown great potential for development.As a key component in the wind power generation system,the reliability of wind power converter directly affects the stable operation of the whole system.As the core component of wind power converters,the performance of IGBTs is crucial to the efficiency and reliability of wind power converters.This paper first summarizes the basic concepts and functions of wind power converters and IGBTs,and then analyzes in detail the effects of thermal cycling,electrical stress,and environmental factors on IGBT reliability.In order to improve the reliability of IGBT in wind power converters,this paper proposes specific measures from three aspects:improving the heat dissipation system,improving the material performance and process level,and strengthening the maintenance and management.By optimizing the heat dissipation design,selecting high-quality IGBT devices and packaging materials,and strengthening the regular maintenance and management of equipment,the reliability and stability of IGBT can be effectively improved,thereby ensuring the long-term stable operation of wind power generation systems and promoting the vigorous development of new energy power generation.

关 键 词：变流器 风力发电 功率循环 

分 类 号：TM85[电气工程—高电压与绝缘技术]