ESAB Powercut 1600 Service Manual page 79

SECTION 4
4.10.16 Buss Supply
Note:
In the early models of the PC1600, the power board labeled the Buss supply capacitors with num-
bers that are different than the schematic.
Conversion Information:
Early model label Current models
C37 C104
C40 C102
C44 C103
C47 C101
Buss Supply
The inverter block filter section, known as the Buss Supply, comprises C37, C40, C44, C47, R14 and R15.
The purpose of this section is to transform the pulsating DC to a level DC operating voltage.
The drawing below represents the output of the input bridge BR1.
Buss Supply
The inverter block filter section, known as the Buss Supply, comprises C37, C40, C44, C47, R14 and R15.
The purpose of this section is to transform the pulsating DC to a level DC operating voltage.
DESCRIPTION Of OPERATION
1Ø AC Full Wave Rectified
1Ø AC with Capacitor Filter
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