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来源:百度知道 编辑:UC知道 时间:2024/06/07 03:41:05
GTO是由许多GTO元组成的,各GTO元特性的不一致将会对开通过程产生很大的影响。如果某个GTO元的延迟时间比其他GTO元的小,则触发时该GTO元首先出现阳极电流,全部阳极电流流过该GTO元可能使其损坏。在阳极电流上升过程中,各GTO元导通面积的扩展速度不同,也影响其电流分布的均匀性。提高正向门极电流的幅值和脉冲上升沿陡度,有利于缩短延迟时间td,使所有GTO元的td趋向一致,也能加速GTO元阴极导通面积的扩展,使得开通过程中GTO元之间动态电流的分布均匀。

GTO is composed by many GTO Yuan, each GTO Yuan characteristic not
identically will be able to clear the process to have the very
tremendous influence. If some GTO Yuan delay time compared to other
GTO Yuan small, then triggers time this GTO Yuan first appears the
anode current, the complete anode current flows this GTO Yuan possibly
to cause its damage. In the anode current rise process, each GTO Yuan
Daotong the area rate of expansion is different, also affects its
current distribution the uniformity. Enhances to the gate extremely
electric current peak-to-peak value and the pulse rise along
steepness, is advantageous to reduces delay time td, causes all GTO
Yuan td to tend to consistently, also can accelerate a GTO Yuan
negative pole to lead passes the area the expansion, causes to clear
in the process the GTO Yuan between dynamic electric current
distribution to be even.你看行不行?太费事了!

英语:GTO is will be composed