Insulation Test On The Transformer Lv Side - Huawei JUPITER-3000K-H1 Smart User Manual

JUPITER-(3000K, 6000K, 9000K)-H1 Smart
Transformer Station
User Manual
Figure 4-1 Test schematic diagram
Step 7 After the test is complete, shut down the insulation resistance tester.
Step 8 Turn off the load switch, turn on the grounding switch, and open the door of the
cable room. Discharge the test loop by contacting the high-voltage bushing with
the ground cable.
Step 9 Remove the test cables and temporary ground cable, and close the door of the
cable room.
----End

4.1.2.2 Insulation Test on the Transformer LV Side

Step 1 Adjust the positions of the switches, as shown in the test schematic diagram. (If LV
incoming cables are connected, turn off all the MCCBs for the incoming cables. If
the SACU has been installed, turn on the knife fuse switch of the SACU and turn
off the three-phase switch inside the SACU.)
Issue 02 (2023-09-30) Copyright © Huawei Technologies Co., Ltd.
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