Megger PPX30, User Manual, Page: 40 / 84

Table 11:
Baker PPX30/30A device under test connections for single-phase HiPot testing.
Test Lead 1
Orange Test Lead 2
Brown Test Lead 3
Yellow Ground Lead
Black Black Braided
Safety Lead
Motor phase Hot Not connected Not connected Motor/device
Ground Earth/station ground
Table 12:
Baker PPX30/30A device under test connections for single-phase Surge testing.
Test Lead 1
Orange Test Lead 2
Brown Test Lead 3
Yellow Ground Lead
Black Black Braided
Safety Lead
Motor lead 1 Motor lead 2 Not connected Not connected Earth/station ground
6. Set up parameters for DC and Surge tests as needed for the device using the respective setup windows. No
specific parameter in either window will directly affect single-phase testing. The tests are set up and conducted
the same as they would be for 3-phase testing, except that the power pack test leads will be connected as noted
above.
Single-coil Testing
NOTE: The processes described in this section apply to testing coils with normal impedance. For testing low-
impedance devices, refer to the section “Low-impedance Armature or Coil Testing Using the Baker PPX30A” found
later in the guide.
Go/No Go Surge Testing
While single coils can be subjected to a full battery of tests, this example uses a common application of conducting
Go/No Go surge tests on a batch/lot of coils. Only surge testing is enabled during this application.
1. Set the power pack’s
Function Selector
switch to
Surge
testing (surge icon).
2. Set the Test Select switch to Lead 1 .
3. Set the
Ramp Rate
switch to 3 or 4 to start. You can adjust the rate as desired when testing the first coil.
4. Turn the PPX30/30A Zero-start Override key switch to the horizontal position to enable zero-start override.
WARNING: When the zero-start override feature is enabled, target test voltage levels will be instantly
applied to the test leads when a test begins. Ensure that no one contacts the tester leads to avoid injury
during testing.
Using Power Packs with Baker AWA Testers
32 Baker Power Packs User Guide 71-061RC EN V2 www.megger.com