Delta VP3000 Series - Page 669

Chapter 10 Accessories | VP3000
660
VP3000 AC Input Reactor Specifications
The following table is the recommended specifications for the Delta VP3000 AC input reactors:
380–460V, 50/ 60 Hz Normal Duty
Model
kW
HP
Rated
Current
(Arms)
Saturation
Current
(Arms)
3% Impedance
(mH)
5% Impedance
(mH)
Built-in DC
Reactor
VFD3A0VP43A
0.75
1
3
3.6
8.45
14.09
No
VFD4A2VP43A
1.5
2
4.2
5.04
6.04
10.06
No
VFD5A6VP43A
2.2
3
5.6
6.72
4.53
7.55
No
VFD7A2VP43A
3
4
7.2
8.64
3.52
5.87
No
VFD011VP43A
4
5.3
11
13.2
2.31
3.84
No
VFD013VP43A
5.5
7.5
13
15.6
1.95
3.25
No
VFD018VP43A
7.5
10
18
21.6
1.41
2.35
No
VFD025VP43A
460V
15
25
30
1.01
1.69
No
VFD032VP43A
460V
20
32
38.4
0.79
1.32
No
VFD038VP43A
460V
25
38
45.6
0.67
1.11
No
Table 10-40
AC Output Reactor
When using drives in long wiring output application, ground fault (GFF), over-current (OC) and motor
over-voltage (OV) often occur. GFF and OC cause errors due to the drive’s self-protective
mechanism; over-voltage damages motor insulation.
The excessive length of the output wires makes the grounded stray capacitance too large, increase
the three-phase output common mode current, and the reflected wave of the long wires makes the
motor dv / dt and the motor terminal voltage too high. Thus, installing a reactor on the drive’s output
side can increase the high-frequency impedance to reduce the dv / dt and terminal voltage to protect
the motor.
Installation
Installing an AC output reactor in series between the three output phases U V W and the motor, as
shown in the figure below:
Figure 10-42