Environmental Engineering Reference
In-Depth Information
1.5
T
k
(
i
)
1
I
a
(
i
)
I
c
(
i
)
I
b
(
i
)
0
1
1.5
0
50
100
i
150
200
199
0
(a)
Point
g
(°)
Switching patterns
A
20
5
4
U
a
(
i
) + 3
U
b
(
i
) + 1.5
2
U
c
(
i
) + 0.2
0.2
0
0
10
20
30
40
50
60
0
i
60
5
B
40
4
U
a
(
i
) + 3
U
b
(
i
) + 1.5
2
U
c
(
i
) + 0.2
0.2
0
0
10
20
30
40
50
60
0
i
60
5
C
55
4
U
a
(
i
) + 3
U
b
(
i
) + 1.5
2
U
c
(
i
) + 0.2
0.2
0
0
10
20
30
40
50
60
0
i
60
5
D
75
4
U
a
(
i
) + 3
U
b
(
i
) + 1.5
2
U
c
(
i
) + 0.2
0.2
0
0
10
20
30
40
50
60
0
60
i
Figure 6.12 Sinusoidal synchronous (regular) sampling: (a) regular sampling for
point (A) (b) corresponding space vector waveforms for regular
sampling at angle 20
,40
,55
and 75
