Installation Manual

Chapter 5—Motor and Application
DG1 Series VFD MN040002EN—March 2014 www.eaton.com 21
V/Hz Characteristic Curve
Figure 14. V/Hz Characteristic Curve
Table 15 shows the allocation of possible frequency
inverters depending on the input voltage and the type of
circuit.
Table 15. Assignment of Frequency Inverters to Example Motor Circuit (See Figure 14)
Notes
1
Star connection: 400V, 50 Hz.
2
Delta connection: 230V, 50 Hz.
3
Delta connection: 400V, 87 Hz.
4
Note the permitted limit values of the motor.
Frequency Inverters DG1-323D7FB DG1-343D3FB DG1-344D3FB
Rated operational current 3.7A 3.3A 4.3A
Input voltage 3 AC, 230V 3 AC, 400V 3 AC, 400V
Motor circuit Delta Star Delta
V/Hz characteristic curve
213
Motor current 3.5A 2.0A 3.5A
Motor voltage (ratings plate) 230V 400V 230V
Motor speed 1430 min
-1
1430 min
-1
2474 min
-1
4
Motor frequency 50 Hz 50 Hz 87 Hz
3