Eaton DC1-12011 Series, Manual

Page: 45 / 194

2 Engineering
2.5 Motor and Application
DC1 Frequency Inverter 10/12 MN04020003Z-EN www.eaton.com
41
Figure 15: V/Hz characteristic curve
for the rating plate of the motor from
￫ Figure 13
a Star connection: 400 V, 50 Hz
b Delta circuit: 230 V, 50 Hz
c Delta connection: 400 V, 87 Hz
The following Tabelle 3 shows the allocation of possible frequency inverters
depending on the mains voltage and the type of circuit.
Table 3: Assignments between frequency inverters and V/Hz characteristic curve
(
￫ Figure 15)
￫
If using 2 pole motors (p = 1), the high speed of approximately
5,000 rpm must be taken into account (consult the manufac-
turer's specifications).
0
87 50
400
U
2
[V]
f [Hz]
f
max
230
a c
b
Physical parameters DC1-124D3… DC1-324D3… DC1-342D2… DC1-344D1…
Rated operational current 4.3A 4.3A 2.2A 4.1A
Mains voltage 1 AC 230 V 3 AC 230 V 3 AC 400 V 3 AC 400 V
V/f-characteristic curve ② ② ① ③
Motor circuit Delta circuit (230 V) Delta circuit (230 V) Star-connected circuit
(400 V) Delta circuit (230 V)
Motor current 3.5A 3.5A 2.0A 3.5A
Motor voltage 3 AC 0 - 230 V 3 AC 0 - 230 V 3 AC 0 - 400 V 3 AC 0 - 400 V
Motor speed 1430 min
-1
1430 min
-1
1430 min
-1
2474 min
-1 1)
Motor frequency 50 Hz 50 Hz 50 Hz 87 Hz
1)
1) Note the permitted limit values of the motor!