B2 HVA Series, User Manual

Page: 80 / 106

Tan Delta
© b2 electronic GmbH DHV0086 Rev06 80
6�2�2�1 Option with corona shield
Far End Far End
Option with corona
Option with corona and guard on far end
Near End Near End
23
23
17
24
25
26
17
K1 K1 K3 K3 K4 K2
NOTICE
For voltages from 15 kV we recommend the use of corona shields for TD
diagnostics.
Follow the introduction VLF withstand test with Tan Delta and guard
see
6.2.2 Connection Diagram: VLF withstand test with Tan Delta and guard on
page 78.
And replace S4 with OS1 to OS5 and continue with S5�
Step Procedure Art� Nr�
Connections on near end:
OS1 Mount corona shield to the DUT.
• Mount the corona shield at the phase to be tested K1 .
KMD0081
OS2 Fix the hook and loop fastener.
• Fix the hook an loop fastener at the termination
23
.
KMSO0064
OS3 Connect the guard connection cable:
• Connect the cable at the 4 mm socket jack at the HV test lead 17 .
• Connect the other end of the cable at the conducting hook and loop fastener
23
.
KEK0126
Connections on far end:
OS4 Mount corona shield to the DUT.
• Mount corona shield on the same phase K3 at the far end.
KMD0081