INTORQ BFK458 - Electrical Installation; DC Switching at the Motor - Fast Engagement

Electrical installation
INTORQ | BA 14.0168 | 11/2018 51
6.3 DC switching at the motor – fast engagement
U
N
L1 L2
L3
U
V
U
V
U2W2 V2
V1U1 W1
BN
BK
BU
4
2
1
6-pole
BEG-16x
BEG-26x
Fig.24: Supply: Phase-neutral
Bridge rectifiers Half-wave rectifiers
BEG-1xx: U
N
[V DC] = 0.9 •
U
V
[V AC] BEG-2xx: U
N
[V DC] = 0.45 •
U
V
[V AC]
√3 √3
U2W2 V2
U
N
L1 L2
L3
U
V
V1U1 W1
U
V
BN
BK
BU
4
2
1
6-pole
BEG-16x
BEG-26x
Fig.25: Supply: Phase-phase
Bridge rectifier
1)
Half-wave rectifiers
BEG-1xx: U
N
[V DC] = 0.9 • U
V
[V AC] BEG-2xx: U
N
[V DC] = 0.45 • U
V
[V AC]
1)
Not recommended for most regional/national high-voltage mains voltages.