HT instruments SIRIUS89N User Manual
Page 5
SIRIUS89N
EN - 3
14.2.
Standards ............................................................................................................................................................ 103
14.2.1.
General ..........................................................................................................................................................................103
14.2.2.
Safety Test.....................................................................................................................................................................103
14.2.3.
ANALYZER....................................................................................................................................................................103
14.2.4.
AUX ...............................................................................................................................................................................103
14.3.
General Specifications......................................................................................................................................... 103
14.3.1.
Mechanical Data ............................................................................................................................................................103
14.3.2.
Power supply .................................................................................................................................................................103
14.3.3.
Display ...........................................................................................................................................................................104
14.3.4.
Memory..........................................................................................................................................................................104
14.4.
ENVIRONMENT .................................................................................................................................................. 104
14.5.
ACCESSORIES................................................................................................................................................... 104
15. SERVICE ...................................................................................................................................................105
15.1.
WARRANTY CONDITIONS................................................................................................................................. 105
15.2.
SERVICE ............................................................................................................................................................. 105
16. PRACTICAL REPORTS FOR ELECTRICAL TESTS ...............................................................................106
16.1.
Continuity Test On Protective Conductors........................................................................................................... 106
16.2.
Insulation Resistance Measurement of the Electrical Installations (250Vdc, 500Vdc, 1000Vdc)......................... 107
16.3.
Check of the Circuit Separation ........................................................................................................................... 111
16.4.
Earth Resistance Measurement in TT Systems................................................................................................... 114
16.5.
Working Test of RCDs (Rcd, Rcd/Dc, Rcd S, Rcd/Dc S)..................................................................................... 115
16.6.
Test of RCD Tripping Time (Rcd, Rcd/Dc)........................................................................................................... 116
16.7.
Measurement of Short-Circuit Fault Impedance (Z
pn
, Z
pp
).................................................................................... 117
16.8.
Fault Loop Impedance Measurement (Phase – Earth) ........................................................................................ 117
16.9.
Earth Resistivity Measurement ............................................................................................................................ 118
16.10.
Voltage Anomalies (Voltage S and Surge) .................................................................................................. 120
16.11.
Voltage and current Harmonics................................................................................................................... 120
16.11.1.
Theory..................................................................................................................................................................120
16.11.2.
Limit values for harmonics ...................................................................................................................................122
16.11.3.
Presence of harmonics: causes...........................................................................................................................122
16.11.4.
Presence of harmonics: consequences ...............................................................................................................123
16.12.
Power and Power Factor definition.............................................................................................................. 123
16.12.1.
Conventions on powers and power factors..........................................................................................................125
16.12.2.
3 Phase 3 Wire System .......................................................................................................................................126
16.13.
Measuring Method: outlines ........................................................................................................................ 127
16.13.1.
Integration periods ...............................................................................................................................................127
16.13.2.
Power factor calculations .....................................................................................................................................127
17. APPENDIX 1 – MESSAGES DISPLAYED ................................................................................................128
18. APPENDIX 2 – RECORDABLE PARAMETERS: SYMBOLS...................................................................129