如何使用新一代IGBT7设计下一代变频器

How to Design Next Generation Drive by Using New Technology IGBT7

随着变频器的应用领域的不断扩展,以及电机的矢量控制技术的成熟,新一代的变频器设计,对于功率密度提出了更高的要求,希望变频器在相同的功率密度下体积更小、系统成本更优。而如何满足下一代的变频器的功率密度的需求,新一代的微沟槽技术的IGBT7给出了答案。本文结合了新一代IGBT7主要的技术特点,阐述了如何采用新一代IGBT7进行变频器的设计,及其相关的系统设计考虑,例如动态调整开关频率、系统热容影响等,并依据仿真给出了11kW以下的变频器的IGBT7的模块选型,与目前主流的IGBT4对比,展现了IGBT7用于变频器设计,可以获得更高的功率密度。

With the boom of Drive application and maturity of motor control algorithm,new gen eration inverter design have higher requirements for power density.Customers need more compact design of drive inverter and lower total system cost.How to meet this requirement,Infineon new MPT technology IGBTs-IGBT7,provide the solution.This paper in troduce the leading tech no logies of IGBT7,and show how to make higher power density drive desig n by IGBT7,for example,using dynamic switching frequency control,and system thermal capacitanee consideration.Based on simulation,IGBT7 module selection guide below 11 kW Drive inverter was shown,comparing with traditional IGBT4 solution,IGBT7 shows much higher power density.