Setting the Output Impedance

The PCR-LE Series’ output impedance (output resistance) is approximately 0 Ω. Commercial power supplies have an impedance (resistance) of several milliohms to several ohms. You can set the PCR-LE Series’ output impedance. This enables you to simulate the same environment as that which is provided by commercial power supplies.

The impedance that is required for IEC standard tests has a prescribed inductance component, but the output impedance of the PCR-LE Series consists entirely of resistance. You can use the PCR-LESeries to perform rough harmonic current analyses. If you require accurate data, use the Line Impedance Network (LIN Series).

Press OTHERS (SHIFT+MEMORY) and then OUT IMP (F3) to set the output impedance.

 

Item	Title	Description	Condition in which the function key cannot be used
ON	OutZ	Sets the output impedance as a percentage (1 % to 100 %). The output impedance will be set.	Compensation function: any setting but “OFF”
OFF		The output impedance will not be set.	None

The values in the following table are assigned to the output resistance percentages (1% to 100%).

	PCR 500LE	PCR 1000LE	PCR 2000LE	PCR 3000LE	PCR 4000LE	PCR 6000LE	PCR 9000LE
L range	0 Ω to 4 Ω	0 Ω to 2 Ω	0 Ω to 1 Ω	0 Ω to 0.667 Ω	0 Ω to 0.5 Ω	0 Ω to 0.333 Ω	0 Ω to 0.222 Ω
H range	0 Ω to 16 Ω	0 Ω to 8 Ω	0 Ω to 4 Ω	0 Ω to 2.667 Ω	0 Ω to 2 Ω	0 Ω to 1.333 Ω	0 Ω to 0.889 Ω

 

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