AC power supply PCR-LE2 series

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Selecting the Response

The PCR-LE2 Series uses a high-speed amplifier. Depending on the load circuits (especially in the case of capacitive loads) and the wiring conditions, the output may become unstable may oscillate.

You can set the response speed of the internal amplifier (to one of the following two levels) according to the load conditions and how you will use the PCR-LE2 Series.

Normal speed response (MEDIUM)

This is used in power-supply-environment testing - including tests such as low-frequency immunity tests - to cover a range of frequencies from commercial power line frequencies to the frequencies used by ship and aircraft power supplies.

High stable response (SLOW)

This is used to provide stable power to a variety of loads. For example, this setting would be used on the power supplies at an EMC test sight. Even if a capacitor that has a large capacity (such as a large noise filter) is connected to the output of the PCR-LE2 Series, this setting can be used to provide stable operations. This setting provides a sufficient response speed to generate commercial power line frequencies, so it can also be used in typical evaluation tests.

Press OTHERS (SHIFT+MEMORY), 1/2 (F6), and then RESP (F3) to set the response.

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*1. Invalid in single-phase three-wire output and three-phase output (optional)

Item

Title

Description

Condition in which the function key cannot be used

SLOW

CV Response

Selects the highly stable response

None

MEDIUM

Selects the normal speed response

Compensation function: hard sensing

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