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AVTMST16 Rev 1 May 2016
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5 HOW TO PERFORM A TEST ...................................................................................................................... 21
Detecting and Locating a Cable Fault in a Shielded Medium Voltage Power Cable ............................... 21
Locating a Faulty Cable Section (Sectionalizing) ...................................................................................... 21
Locating a Cable Fault (shielded MV power cable) ......................................................................................... 25
How to Pre-Locate the Fault ....................................................................................................................... 26
How to Pinpoint the Fault (shielded MV power cable) ................................................................................. 31
Detecting a Sheath Fault OR a Ground Fault in an Unshielded, Low Voltage Cable (both must be
directly buried) .................................................................................................................................................... 32
How to Pinpoint a Sheath Fault OR a Ground Fault in an Unshielded Low Voltage Cable (both must
be directly buried) ............................................................................................................................................... 34
6 CUSTOMIZE TDR FEATURES (applicable to TDR and ARM Mode) ................................................ 37
Introduction ........................................................................................................................................................ 37
Customized TDR Features ............................................................................................................................... 38
Completing the Operation ................................................................................................................................ 41
7 ADVANCED SYSTEM SETTINGS ............................................................................................................ 43
How to Edit the Cable List ............................................................................................................................... 43
Introduction ................................................................................................................................................... 43
XML Structure of a Cable List File ............................................................................................................. 43
How to Edit the Cable List .......................................................................................................................... 44
How to Setup Customer-Specific TDR Features .......................................................................................... 45
How to Use EasyPROT Software to Plot DC HIPOT/Sheath Test Data ............................................... 47
8 CARE and MAINTENANCE ........................................................................................................................ 49
Maintenance ........................................................................................................................................................ 49
Storage ................................................................................................................................................................. 49
APPENDIX 1 - Overview of TDR Features .................................................................................................... 51
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