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2-39
•
Wiring Method
With DC Reactor
3G3HV
200 VAC (400 V)
DC reactor
(optional)
L1 (R)
L2 (S)
L3 (T)
T1 (U)
T2 (V)
T3 (W)
Note Be sure to remove the short bar on ter1 and +2 before connecting the DC reactor.
With DC and AC Reactors
3G3HV
200 VAC (400 V)
DC reactor
(optional)
AC reactor
(optional)
L1 (R)
L2 (S)
L3 (T)
T1 (U)
T2 (V)
T3 (W)
Note Be sure to remove the short bar on ter1 and +2 before connecting the DC reactor.
•
Reactor Effects
Harmonics are effectively suppressed when the DC reactor is used with the AC reactor as shown in
the following table.
Harmonic suppres-
Harmonic generation rate (%)
sion method
(3-phase input)
5th har-
monic
7th har-
monic
11th
harmon-
ic
13th
harmon-
ic
17th
harmon-
ic
19th
harmon-
ic
23th
harmon-
ic
25th
har-
monic
No reactor
65
41
8.5
7.7
4.3
3.1
2.6
1.8
AC reactor
38
14.5
7.4
3.4
3.2
1.9
1.7
1.3
DC reactor
30
13
8.4
5
4.7
3.2
3.0
2.2
DC and AC reactors
28
9.1
7.2
4.1
3.2
2.4
1.6
1.4
Installation
Chapter 2
Summary of Contents for SYSDRIVE 3G3FV-*-CUE
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