PRIM AR Y TESTING
VOLTAGE SENSOR S
1VLG5000 17 C
31
Step 4/7
Except the tested phase, connect all other phases together to the grounding bar.
Step 5/7
Connect the primary tester to the cable sealing end of the isolated phase and to the ground-
ing bar inside the switchgear panel.
Figure 43: Test setup for voltage sensors installed in the cable compartment
Step 6/7
Inject voltage higher than 1% of primary (nominal) value.
Summary of Contents for UniGear Digital
Page 1: ...DISTRIBUTION SOLUTIONS UniGear Family UniGear Digital Commissioning and testing Guide...
Page 2: ......
Page 3: ...DISTRIBUTION SOLUTIONS UniGear Family UniGear Digital Commissioning and testing Guide...
Page 6: ......
Page 10: ......
Page 12: ......
Page 96: ......
Page 98: ...Visit us www abb com mediumvoltage Document Number 1VLG500017 Rev C...