Engineering Guide CDA3000
3-77
3  Selection of inverter module
DE
EN
1
2
3
4
5
6
7
A
3. Drive solution: 87 Hz characteristic
Figure 3.35 Constant torque range to 87 Hz
Design / Application
Design/solution Applications
Motor with 4 kW / 50 
Hz in star configura-
tion on inverter module 
CDA34.010 (4 kW)
Area of application of solution:
• In applications with constant torque delivery to 50 Hz
Motor with 4 kW / 50 
Hz in delta configura-
tion on inverter module
CDA34.017 (7.5 kW)
Area of application of solution:
• In applications with constant torque delivery
to 87 Hz, e.g. lifting drives
Precise data relating to the full-load power (S1, ED 
100° %) can only be given by the motor manufactur-
ers.
During initial commissioning all the parameters for 
this application are automatically set.
Table 3.36 Applications
P
kW
M
M
N
f
Hz
0              20             40             60             80           100
2
4
6
8
10
12
0,2
0,4
0,6
0,8
1,0
1,2
U
V
100
200
300
400
500
600
f
N
M
U
P
230 V / 50 Hz
400 V / 87 Hz
50 87
1.2
1.0
0.8
0.6
0.4
0.2