V5 series inverter
97
Appendix A
Accessories
A-1. Brake resistor
1.5~18.5KW (not including VB5-21P5, VB5-22P2) inverters have built-in brake unit. Please select
brake unit as table 1-1. 22KW and above inverters need to connect brake unit. Please refer to Fig. 1-1
for wiring.
Figure 1-1 Wiring of inverter and brake units
The brake unit wiring of inverter:
Table 1-1 Braking resistor selection
Spec. (KW)
Brake unit
Brake resistor
Sepc
Quantity
Equivalent brake
resistor (Ω)
Equivalent brake
power (W)
380V
1.5
Built-in
1
300
400
2.2
1
200
500
3.7
1
200
500
5.5
1
100
500
7.5
1
75
1000
11
1
50
1000
15
1
40
1500
18.5
1
32
5000
22
External
1
27.2
5000
30
1
20
6000
37
1
16
9600
45
1
13.6
9600
55
1
10
12000
brake
unit
P+
P-
brake
unit
brake
unit
P-
P+
P1
(DC power supply)
P1
(DC power supply)
5.5~18.5KW
22~45KW
P+
P-
PB
P+
PB
1.5~3.7KW
B2
B1
B1
B2
55~75KW
