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6. WIRING
6.4 Operating the Inverter Using Single+-
Power
S
w
li single-phase power supply is used to operate the inverter only
2/3
of the diodes will be used,
and ripple current of the capacitor will increase compared to operation with three-phase power
supply, resuiting in higher temperature rise of the converter and
the
capacitor. Operating the in-
verter using a Single-phase power supply requires derating the output current.
currenr
1.1
2.4
4.5
7 . 6
11.2
12.9
17.4
0
W i o n r on operating the Inverter using singlsphasc
power
supply
(1) Connect the single-phase power suppty
to the terminals R arid S of the inverter.
(2) I f capacity
of the power supply is insufficient, the
output
voltage will become unstable under
changing load conditions. Therefore,
be
certain the power supply is adequate.
<Example circuit>
NFB
Power supply
1
0
AC
Sago
Hz
m t o 2 3 o v
-
- 1 6 -
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