Configuring Multiple Supplies For Parallel Operation; Figure 3.23Series Operation Of Multiple Supplies - Xantrex XKW 8-350 Operating Manual

Operation
Using Multiple Supplies

Figure 3.23Series Operation of Multiple Supplies

Configuring
Parallel operation is used to obtain a higher current through a single output using two
Multiple
or more supplies. Set all of the outputs to the same voltage before connecting the
Supplies for
positive (+) output terminals and negative (-) output terminals in parallel. See
Parallel
Figure
Operation
supply.
Notes:
1. Set the OVP trip level to the same point for all of the paralleled supplies.
2. When operating multiple supplies in parallel, the operating mode of each supply
74
POSITIVE SENSE
POSITIVE OUTPUT
TERMINAL
OUTPUT RETURN
TERMINAL
RETURN SENSE
POWER SUPPLY 1
POSITIVE SENSE
POSITIVE OUTPUT
TERMINAL
OUTPUT RETURN
TERMINAL
RETURN SENSE
POWER SUPPLY 2
(Local sense lines shown are default J3 connections.)
3.23. The total current available is the sum of the maximum currents of each
will depend on the load current being drawn. For example, with two 60V-50A
output power supplies operating in parallel with a 75A load, one supply will
operate in constant current mode supplying 50A and the other supply will
operate in voltage mode supplying the remaining 25A.
LOAD LINES
USE THE LARGEST GAUGE
AND SHORTEST LENGTH
POSSIBLE
POSITIVE LOAD
TERMINAL
NEGATIVE LOAD
TERMINAL
Operating Manual for XKW 3kW Series Power Supply
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