[其它]Common-mode current inductively coupled emission of AC PWM drives

Abstract—The most common solution for modern adjustable HZZn'u  
speed drives is the use of induction motors fed by voltage-source ,V}WM%Km  
inverters. The inverters using fast switching insulated gate qH_Dc=~la  
bipolar transistors (IGBTs) generate pulse-width modulated e*1_8I#2  
(PWM) voltage pulses. The high carrier frequency along with WNc0W>*NE1  
fast rise and fall time of the PWM switching results in nontrivial *LY8D<:zs  
common-mode or ground currents noise. The current component 'J|_2*  
can cause electromagnetic interference (EMI) noise to neighbour 1o>xEWt:0K  
equipments and installations by either radiation from the motor "0TZTa1e  
cable or by cross-talk (inductive and capacitive coupling) with `P
noxm'  
other conductors. This paper discusses the inductively coupled x,'!gT:j  
EMI noise from an ac drive system where there susceptible N'=gep0
V@  
devices and a common ground plant are presented. The model u ^RxD^=L  
d .. W2!+z{:m  
G3
v5KmT  

未注册仅能浏览部分内容，查看全部内容及附件请先 登录 或 注册