Miller Subarc DC 1000 Kullanıcı El Kitabı - Sayfa 29
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3-7. Using Non-Parallel AC Arcs With A 605 Phase Shift - Terminal Strip TE4 Connections
NOTE
Tools Needed:
60° Phase Shift
Waveform 1
Waveform 2
.
Use two-conductor (12 to 20 gauge), with uninsulated ground,
shielded cable to make TE4 connections. Connect ground to
terminal C on TE4.
2
Connections from first to second
welding power source:
terminal A to terminal E,
terminal B to terminal D,
terminal C to terminal C
A
B
C
D
E
TE4 on first welding
power source
Terminal Strip TE4 Connections For Running Multiple, Non-Parallel AC Arcs With A 605 Phase Shift
When using the 605 ac arc phase shift feature, be sure to follow Section 3-7 and
Section 3-8 to set up the welding power sources properly.
Y If there are any questions regarding this procedure,
contact the factory before connecting units.
AC Waveforms With 605 Phase Shift
3/8 in
(10 mm)
Connections from second to third
welding power source:
terminal A to terminal E,
terminal B to terminal D,
terminal C to terminal C
A
B
C
D
E
TE4 on second welding
power source
1
A
A
B
B
C
C
D
D
E
E
1
3
Connections from third to fourth
A
B
C
D
E
TE4 on third welding
power source
Y Turn Off welding power
source and disconnect input
power before opening ac-
cess door.
Y All units with phase-shifted
outputs must be set up for ac
output according to Section
2-9. Do not parallel dc output
units with ac output units.
Y DC output units do not re-
quire synchronization with
AC output units.
1
Terminal Strip TE4
This procedure allows the ac output
waveforms of two or more units to
have a 60° phase shift. To use
phase shift, make connections be-
tween terminal strip TE4 on appli-
cable ac output units as shown in il-
lustration.
.
Do not disturb factory connec-
tions to terminal strip TE4.
Y Ensure that primary input
power conductors are con-
nected to each unit in the
same sequence (L1 to L1, L2
to L2, and L3 to L3). See Sec-
tion 2-15 for information on
connecting input power. See
Section 2-16 for information
on testing for proper primary
phase sequence.
2
Lead Being Connected To
TE4
3
Securing Screw
Strip 3/8 in (10 mm) insulation off
end of lead, insert end into proper
location on TE4, and tighten appli-
cable securing screw.
Close and secure access door.
.
Connect phase shift plug as
shown in Section 3-8.
welding power source:
terminal A to terminal E,
terminal B to terminal D,
terminal C to terminal C
Repeat same connection sequence
on following welding power sources
Ref. 801 882-A
OM-2221 Page 25