Installation manual

43
Connection diagrams
Connection of several drives in parallel on the DC bus
Connection in parallel on the DC bus is recommended in applications for which full motor power must be guaranteed.
Each drive uses its own charging circuit
Drives , and must not be more than one size apart when they are connected in this way.
F1, F2, F3: Fast-acting semiconductor fuses for protection on the DC bus side.
F1 F2
F3
U / T1 V / T2 W / T3
U1
W1
V1
M1
3 a
ATV71Hppppp
PO
PC/-
U / T1 V / T2 W / T3
U2
W2
V2
M2
3 a
ATV71Hppppp
PO
PC/-
U / T1 V / T2 W / T3
U3
W3
V3
M3
3 a
ATV71Hppppp
PO
PC/-
1 2
3
R / L1
S / L2
T / L3
R / L1
S / L2
T / L3
R / L1
S / L2
T / L3
1
2
3