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Basic Operations

1. Press [Shift]+[Setup] (Menu) on the front panel to enter the main interface of

the AC power supply.

2. Press [Network Configure] to enter the “Network Configure” interface, and set

“Network Num” as 3.

3. Press [Select To 3-Phase] to enter the three-phase function configuration

interface. By default, the system allows to set the amplitude value of three

phases under Balance mode (the three phases have same frequency and

amplitude, but the phase difference is 120 degrees), as shown in the figure

below.

Parameter

Explain

AC-A

Set the voltage of Phase A.

AC-B

Set the voltage of Phase B.

AC-C

Set the voltage of Phase C.

Freq

Set the frequency of Phase A, B and C.

Start-A

Set the start angle.

Stop-A

Set the stop angle.

4. To test the DUT under Unbalance three-phase mode, press soft key

[Unbalance] to enter the three-phase parameter configuration interface

under Unbalance mode, and set voltage values, frequency values, start

angles and end angles of the three phases. Press soft key [More Setting]

to set the angle difference of the three phases. As shown below.

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ITech IT7622 User Manual

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