Armature power components, Armature bridge, Armature power components -14 – Rockwell Automation 1395 Digital DC Drive User Manual
Page 26: Armature bridge -14, Figure 1.9 armature bridge (non-regenerative)

Publication 2361-5.01 July 1998
1-14
Product Overview
Armature Power Components
The armature power components work together to convert the 3-
phase AC input to a DC output used for powering your motor
armature.
The following items make up the armature power circuitry:
•
armature bridge (and its subordinate components)
•
cell fuses
•
gate boards
•
DC contactor
Armature Bridge
The armature bridge is designed to convert incoming AC power to
DC power. The non-regenerative bridge is shown in Figure 1.9. Cell
fuses protect the thyristors in the event of a bridge failure.
Figure 1.9
Armature Bridge (Non-Regenerative)
A1
Armature
Voltage
3-Phase
AC
Input
Main
Contactor
A2
SN
UBBE
R
SN
UBBE
R
SN
UBBE
R
SN
UBBE
R
SN
UBBE
R
SN
UBBE
R
Armature-Pulse
Transformer Board
Armature-Pulse
Transformer Board
Armature-Pulse
Transformer Board
Armature-Pulse
Transformer Board
Armature-Pulse
Transformer Board
Armature-Pulse
Transformer Board
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