Kikusui PAD-L III Series, Руководство по эксплуатации

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2-2 Precautions and Preparations for Use PAD-L
2.1 Inrush current
A inrush current may flow when the POWER switch is turned on. See Table 2-1. If
you are planning to use several sets of the unit in a system, and to turn on the POWER
switches at the same time, check that the AC power source or the switchboard is of
sufficient capacity.
Keep 3 seconds or longer interval between ON and OFF of the POWER switch.
Repeated ON/OFF at a shorter interval may cause inrush current and shorten the
service lives of the input fuse and power switch.
Table 2-1 Inrush current
TYPE III models TYPE IV models TYPE V models
Peak current range 700 A 400 A 600 A
Half-amplitude level 2-5 ms 2-5 ms 2-5 ms
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NOTE
• The TYPE IV and TYPE V models have a standard built-in inrush current
prevention circuit that limits peak current values.
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2.2 Negative voltage
Turning the CURRENT setting knob to the extreme counterclockwise position
produces a negative output voltage of approximately 0.6 V. This voltage causes a
reverse current of approximately 10 mA to flow into the load.
If this negative voltage presents a problem, set the unit to constant voltage mode and
adjust the offset of the output voltage. For information on adjusting the offset, see
"Voltage system adjustment procedure" described in 6.3.4, "Adjustment procedure",
in Chapter 6.