Bosch PSU 5000 Series Instructions For Assembly And Operation Manual page 27

Functional
description
3--2
PSU 5000 / PSG 3000
Instructions for Assembly and Operation
The following figure shows a block diagram of an inverter system:
6- - pole bridge
mains
rectifier
L1
L2
L3
power
supply
driver
Weld timer
direct current transistorized trans-
link circuit former- - rectifier
analog controller
PSG sensors
PSU
PSG
Welding trans-
former
Rectifier
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