Circuit Types Withthree-Phase Motors - Eaton PowerXL DA1 Series Installation Manual

2 Engineering
2.9 Three-phase motor

2.9.2 Circuit types withthree-phase motors

64
Based on the mains voltage (
the motor's nameplate (rating plate), the stator winding of a three-phase
motor can be configured as a star or delta circuit.
230/400 V 3.2/1.9 A
0,75 KW cos ϕ 0.79
-1
1410 mi n
Figure 36: Example of a motor
rating plate
U1 V1 W1 U1 V1 W1
W2 U2 V2 W2 U2
Figure 37: Configuration types:Star-connected circuit (left), Delta circuit (right)
Examples based on figures36and 37
Motor with star circuit configuration:
Mains voltage: 3~ 400 V; Output voltage: 3~ 400 V
￫ DA1-342D2...
Motor with delta circuit configuration:
Mains voltage: 1~ 230 V; Output voltage: 3~ 230 V
￫ DA1-124D3...
Motor connection
DA1 variable as per
frequency IEC
drives
U U1 (-U2)
V V1 (-V2)
W W1 (-W2)
DA1 Variable Frequency Drives 08/18 MN04020005Z-EN www.eaton.com
= output voltage U
LN
50 Hz
V2
as per
UL
T1 (-T4)
T2 (-T5)
T3 (-T6)
) and the rated data on
2