Environmental Engineering Reference
In-Depth Information
400
60
i
u
200
45
0
30
−200
15
−400
0
0
0.04 0.08 0.12 0.16
0.2
0.24 0.28 0.32
0
0.04 0.08 0.12 0.16
0.2
0.24 0.28 0.32
Time/s
Time/s
(a) Supply current and voltage
(b) THD of the supply current
120
900
80
800
40
0
700
−40
600
−80
−120
500
0
0.04 0.08 0.12 0.16
0.2
0.24 0.28 0.32
0
0.04 0.08 0.12 0.16
0.2
0.24 0.28 0.32
Time/s
Time/s
(c) Current of the rectifier leg
(d) DC-link voltage
300
4
i
L
i
C
200
2
100
0
0
−100
−2
−200
−300
−4
0
0.08
0.16
0.24
0.32
0
0.08
0.16
0.24
0.32
Time/s
Time/s
(e)
and
of the neutral leg
(f) Neutral point voltage
450
100
v
a
v
b
v
c
i
a
i
b
i
c
75
300
50
150
25
0
0
−25
−150
−50
−300
−75
−450
−100
0.1
0.12
0.14
0.16
0.18
0.2
0.22
0.24
0.1
0.12
0.14
0.16
0.18
0.2
0.22
0.24
Time/s
Time/s
(g) Three-phase voltages provided
(h) Three-phase load currents
20
of v
b
of v
c
15
10
5
0
0.1
0.12
0.14
0.16
0.18
0.2
0.22
0.24
Time/s
(i) THD of the output voltages of Phase
and Phase
Figure 14.10
Simulation results for the case with non-linear unbalanced three-phase loads
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