Figure 14. V/Hz Characteristic Curve; Table 15. Assignment Of Frequency Inverters To Example Motor Circuit - Eaton PowerXL DG1-323D7FB-C21C Installation Manual

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)
Frequency Inverters
Rated operational current
Input voltage
Motor circuit
V/Hz characteristic curve
Motor current
Motor voltage (ratings plate)
Motor speed
Motor frequency
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.
DG1-323D7FB DG1-343D3FB
3.7A 3.3A
3 AC, 230V 3 AC, 400V
Delta Star
2 1
3.5A 2.0A
230V 400V
-1
1430 min 1430 min
50 Hz 50 Hz
DG1-344D3FB
4.3A
3 AC, 400V
Delta
3
3.5A
230V
-1 -1
2474 min
4
87 Hz
3
DG1 Series VFD MN040002EN—March 2014 www.eaton.com
Chapter 5—Motor and Application
21