Page 134 - Power Quality in Electrical Systems
P. 134
116 Chapter Eight
200
∆-Phase input current
0.0
−200
200
Y-Phase input current
0.0
−200
200 Line-Phase input current
0.0
.023333 .03 .036667 .043333
Seconds
−200
(b)
Figure 8.3b The input current to each bridge, and the line current to the transformer [8.6].
[© 1986, IEEE, reprinted with permission]
Figure 8.4a The pulse-width
modulation (PWM) of a rectifier
[8.7].
(a)
Figure 8.4b The resultant line
current from PWM [8.7].
[© 1997, IEEE, reprinted with
permission]
(b)
