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VECTORDRIVE DSV 5444
Top technology in drive electronics
07.07.04 10:12
Dietz-electronic
page 7 of 60
3 Power
circuit
The power circuit of the VECTORDRIVE DSV 5444 contains a six-pulse bridge connection with DC voltage
intermediate voltage and IGBT end stage. The output voltage is pulse-width modulated. The inverter outputs
are earthing-, short-circuit- and idling-proof.
3.1 Power connection with external mains filter
K1
A1
Y1
R1
NF1
PE
400V~
50/60 Hz
N
PE
L2 L3
L1
L1
Power terminals
F1 F2 F3
Fan connection
F4
A2
L1 N PE
U2
U1
U3
PE
U V W
PE
30 31
L2
3~
M
L2'
L3'
L1'
L2
L3
L1
0030_03e.drw
L1:
Power choke
L2:
Motor choke (only for motor cable lengths > 15 m)
A1:
Power terminals (underside of unit)
A2:
Fan connection (top side of unit, size 4 only)
E1:
External braking resistance
Y1:
Equipotential bonding rails
NF1:
External mains filter