Kikusui PWX1500H, User Manual

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118
PWX
Variable Internal Resistance Feature
The variable internal resistance feature enables you to easily simulate the internal resistance
of rechargeable batteries, solar batteries, fuel cells, and the like. By setting the internal resis-
tance value in constant voltage (CV) mode, you can decrease the output voltage according to
the output current.
This option is installed before factory shipment.
Models with a warning label on which “VIR MODEL” is indicated have the variable internal
resistance feature.
Setting
p.49
You can use a CONFIG setting to set the internal resistance (CF18). Turn the VOLTAGE
knob to set the internal resistance.
You can change the resolution of the VOLTAGE CURRENT knob. Hold down SHIFT while
you turn the VOLTAGE knob to make large changes to the value.
If you are not using the variable internal resistance feature, select oFF.
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Operating range
The variable internal resistance feature can be configured only in constant voltage (CV)
mode.
If the variable internal resistance feature is in use and the output voltage falls to or below
3 % of the rated voltage, the output voltage may not be stable.
If the variable internal resistance feature is in use and the difference between the voltage
setting and the output voltage (voltage drop due to internal resistance) is less than 20 %
of the rated voltage, the accuracy of the resistance setting degrades.
It cannot handle transient operation (variation).
See