Setting the Output Impedance

The PCR-LE2 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-LE2 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-LE2 Series consists entirely of resistance. You can use the PCR-LE2Series 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%).

	Single-phase output		Single-phase three-wire output Three-phase output
	L range	H range	L range	H range
PCR600LE2	0 Ω to 0.333 Ω	0 Ω to 1.333 Ω	0 Ω to 1 Ω	0 Ω to 4 Ω
PCR9000LE2	0 Ω to 0.222 Ω	0 Ω to 0.889 Ω	0 Ω to 0.667 Ω	0 Ω to 2.667 Ω
PCR12000LE2	0 Ω to 0.167 Ω	0 Ω to 0.667 Ω	0 Ω to 0.5 Ω	0 Ω to 2.0 Ω
PCR18000LE2	0 Ω to 0.111 Ω	0 Ω to 0.444 Ω	0 Ω to 0.333 Ω	0 Ω to 1.333 Ω
PCR27000LE2	0 Ω to 0.0741 Ω	0 Ω to 0.0296 Ω	0 Ω to 0.222 Ω	0 Ω to 0.889 Ω

 

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