HT instruments VEGA78 User Manual
Page 4
VEGA78
EN - 2
5.4.6.2.
Harmonics: sub-levels description ................................................................................................... 50
5.4.7.
Voltage Anomalies .................................................................................................................... 51
5.4.8.
Unbalance ................................................................................................................................. 52
5.4.9.
Predefined configurations ......................................................................................................... 53
5.4.10.
Start a recording ....................................................................................................................... 58
5.4.10.1.
Automatic start of recording ............................................................................................................. 60
5.4.11.
During a recording .................................................................................................................... 61
5.5.
Saved data management section ........................................................................................ 62
5.5.1.
Recording analysis (Reg type) ................................................................................................. 63
5.5.1.1.
Recording information ..................................................................................................................... 63
5.5.1.2.
Recording graph .............................................................................................................................. 64
5.5.1.3.
Dips ans swells ................................................................................................................................ 66
5.5.1.4.
Analysis of consumed energy .......................................................................................................... 68
5.5.1.5.
Analysis of producted energy .......................................................................................................... 69
5.5.2.
Recording analysis (Istant type) ............................................................................................... 70
5.5.2.1.
Recording information ..................................................................................................................... 70
5.5.2.2.
Graph .............................................................................................................................................. 71
5.5.2.3.
Harmonics analysis ......................................................................................................................... 77
5.5.2.4.
Vectors ............................................................................................................................................ 88
5.5.2.5.
Measures ......................................................................................................................................... 95
5.5.3.
Transfer recordings to a external Pen Driver USB ................................................................. 102
5.5.4.
Saving recordings to external Compact Flash ........................................................................ 103
5.6.
Meter information .............................................................................................................. 104
6.
CONNECTION OF METER TO PC (WITH WIN XP) ............................................... 105
7.
MEASURING PROCEDURES ................................................................................ 106
7.1.
Using of meter in a Single phase system .......................................................................... 106
7.2.
Using of meter in a Three phase 4 wire system ................................................................ 107
7.3.
Using of meter in a Three phase 3 wire system ................................................................ 108
7.4.
Using of meter in a Three phase 3 wire ARON system..................................................... 109
8.
MAINTENANCE ...................................................................................................... 110
8.1.
General ............................................................................................................................. 110
8.2.
Situations relative to internal battery ................................................................................. 110
8.2.1.
Replacement internal battery .................................................................................................. 110
8.3.
Cleaning ............................................................................................................................ 110
8.4.
End of life .......................................................................................................................... 110
9.
TECHNICAL SPECIFICATIONS ............................................................................. 111
9.1.
Technical features ............................................................................................................. 111
9.2.
General features ............................................................................................................... 113
9.3.
Environment ...................................................................................................................... 113
9.3.1.
Climatic condition ................................................................................................................... 113
9.4.
Accessories ....................................................................................................................... 113
10.
APPENDIX – THEORETICAL OUTLINES .............................................................. 114
10.1.
Voltage Anomalies ........................................................................................................ 114
10.2.
Voltage and current Harmonics ..................................................................................... 114
10.2.1.
Theory ..................................................................................................................................... 114
10.2.2.
Limit values for harmonic voltage ........................................................................................... 115
10.2.3.
Presence of harmonics: causes ............................................................................................. 116
10.2.4.
Presence of harmonics: consequences ................................................................................. 116
10.3.
Supply voltage unbalance ............................................................................................. 117
10.4.
Power and power factor: definitions .............................................................................. 118
10.4.1.
Conventions on powers and power factors ............................................................................ 119
10.4.2.
Three phase 3 wire ARON system ......................................................................................... 120
10.5.
Measuring method: outlines .......................................................................................... 121
10.5.1.
Integration period .................................................................................................................... 121
10.5.2.
Power factor calculations ........................................................................................................ 121
11.
AFTER-SALE SERVICE ......................................................................................... 122
11.1.
Warranty ........................................................................................................................ 122
11.2.
Service .......................................................................................................................... 122