Megger PPX30, Руководство пользователя, Страница: 20 / 84

PPX30/30A Configuration for DC HiPot Tests—Three-Phase Test Leads
For the Baker PPX30/30A, you need only connect the power pack’s test leads to the motor leads once. The power
pack’s
Test Select switch internally configures the test leads for HiPot and Surge testing.
1. Ensure that the power pack setup procedure described earlier has been followed.
2. Set the Function Selector switch to 100 µA/div for HiPot testing.
Fig 7: Power pack DC HiPot test settings; Baker PPX30A shown.
Item Description
1 Function Selector switch.
2 Set to 100 µA/div for HiPot testing.
3 Test Select switch.
4 Set to LEADS GROUND before connecting test leads.
5 Set to HiPot for testing.
3. Set the Test Select switch to LEADS GROUND (ground icon).
4. Connect the power pack test leads to the motor leads as described in the table below.
Table 5: Baker PPX30/30A device under test connections for HiPot and Surge testing.
Test Lead 1
Orange Test Lead 2
Brown Test Lead 3
Yellow Ground Lead
Black Black Braided
Safety Lead
Motor phase A Motor phase B Motor phase C Motor frame Station/earth ground
5. Power up the host unit and the power pack. Set the
Test Select
switch to
HiPot
. When selecting HiPot testing,
you will hear a loud noise as the high-voltage relay makes contact.
6. Check that the open ground detect warning banner does not appear in the Baker DX Display Area, or that the
open ground detection light on the Baker AWA is not illuminated.
Baker Power Pack Introduction
12 Baker Power Packs User Guide 71-061RC EN V2 www.megger.com