Tettex MIDAS micro 2883 - Page 9

IV
Introduction
15.2.1 Foot Switch ............................................................................................... 90
15.2.2 Safety Strobe Light .................................................................................... 90
15.2.3 External Temperature Probe ..................................................................... 90
15.2.4 Thermo-Hygrometer .................................................................................. 90
15.2.5 Adapter LEMO to BNC .............................................................................. 90
15.2.6 Hook for HV Cable .................................................................................... 91
15.2.7 Set of Hot Collar Tests .............................................................................. 91
15.2.8 Midas Office software ................................................................................ 91
15.2.9 Oil Test Cell 6835 ...................................................................................... 91
16 Miscellaneous 92
16.1 Instrument Storage ................................................................................................... 92
16.2 Care and Maintenance ............................................................................................. 92
16.2.1 Cleaning the Instrument ............................................................................ 92
16.2.2 Instrument Calibration ............................................................................... 92
16.2.3 Changing Fuses ........................................................................................ 92
16.3 Packing and Transport ............................................................................................. 93
16.4 Recycling ................................................................................................................. 93
17 Trouble Shooting 94
18 Customer Support 96
19 Conformity 97
20 Applications Guide 98
20.1 Bushings .................................................................................................................. 98
20.1.1 Spare Bushings ....................................................................................... 100
20.1.2 Installed Bushings ................................................................................... 101
20.1.3 Measuring Data Interpretation ................................................................. 103
20.2 Transformers .......................................................................................................... 103
20.2.1 Power and Distribution Transformers ...................................................... 103
20.2.2 Shunt Reactors ....................................................................................... 109
20.2.3 Current Transformers .............................................................................. 110
20.2.4 Voltage Transformers .............................................................................. 110
20.2.5 Excitation Current Measurement ............................................................. 112
20.3 Liquid Insulation ..................................................................................................... 114
20.3.1 Test Procedure ....................................................................................... 114
20.3.2 Measuring Data Interpretation ................................................................. 115
20.4 Cables .................................................................................................................... 116
20.4.1 Test procedures on different cables ........................................................ 116
20.4.2 Test Procedure Example ......................................................................... 117
20.4.3 Measuring Data Interpretation ................................................................. 117
20.5 Capacitors .............................................................................................................. 118
20.6 Circuit Breakers ...................................................................................................... 118
20.6.1 Dead Tank Breaker ................................................................................. 120
20.6.2 Live Tank Breaker ................................................................................... 121
20.6.3 Measuring Data Interpretation ................................................................. 122
20.7 Surge (Lightning) Arresters .................................................................................... 122