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Dc current test – Rockwell Automation 7000 PowerFlex Medium Voltage (B Frame) Commissioning - ForGe (PanelView 550) User Manual

Page 95

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Rockwell Automation Publication 7000-IN006B-EN-P - May 2013

91

Commissioning the Drive Chapter 5

Refer to

Figure 52

for a visual representation of the phasing checks.

Figure 52 - 18-pulse phase sequence

DC Current Test

Use this test to verify the isolation transformer phasing and DC Link
connections. Put the drive in DC Current Test and monitor variable Alpha Line
and Idc feedback while increasing the DC current through the drive rectifier.

1. From the main screen press SETUP [F8] then press [Enter]. Press [Enter]

again to access the Feature Select parameter group.

2. Press [Enter] to select Operating Mode on the first line. Scroll down to

select DC Current and press [Enter]. Then press EXIT [F10] to return to
the main screen. There is no need to save to NVRAM when the prompt
appears.

0

-20°

+20°

2U

2V

2W

3W

3V

3U

4W

4V

4U

240°

120°

IMPORTANT

To modify the drive you must have an access level above 'Monitor'. Press [F8]
and enter the appropriate PIN to access and modify drive parameters. Refer to
the relevant drive Installation Guide for more information on access security.