Page 324 - Power Electronics Handbook

314 D.C. link frequency changers

1 O( 1000

9C 900

8( 300

7c 700

- -
m
9 Y
E 60 500
0) 5
5
2
-0 -
C -
3
3
L
r 0
s 50 io0
m
v) v)
m
0 .- P)
rn
m
c
C -
40 PO0 B
-
i 9
4..
0
I-
30 I00
20 ! 00
10 00

0
0 20 40 60 a0 100
Fundamental as 96 of d.c. supply

Figure 13.35 Harmonic content for a quasi-square wave plotted against the fundamental