© OMICRON 2024 Page 3 of 25
Table of contents
1 Safety instructions ................................................................................................................................4
1.1 Safety accessories ..........................................................................................................................4
1.2 General ...........................................................................................................................................4
1.3 Operating the measurement setup .................................................................................................5
1.4 Handling long cables ......................................................................................................................5
1.5 Orderly measures ...........................................................................................................................5
1.6 Disclaimer .......................................................................................................................................6
2 Introduction ............................................................................................................................................7
2.1 Safety Concept ...............................................................................................................................7
2.2 Handling of the CP GB1 Grounding Box ........................................................................................9
2.3 Measurement Method .....................................................................................................................9
3 Connecting COMPANO 100 and CP GB1 to a power cable ............................................................ 11
3.1 First criterion ................................................................................................................................ 12
3.2 Second criterion: Estimated open-cable voltage. ........................................................................ 12
3.3 Third criterion: Measured open-line voltage ................................................................................ 14
3.4 Forth criterion: Injected test current ............................................................................................. 15
4 Cable impedance measurements...................................................................................................... 18
4.1 Setup............................................................................................................................................ 18
4.2 Load Template ............................................................................................................................. 18
4.3 Perform Measurement ................................................................................................................. 19
4.4 Evaluation of Measurements ....................................................................................................... 21
4.5 Results ......................................................................................................................................... 23
5 List of literature................................................................................................................................... 24