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CONTENTS
1
General Information ............................................................................... 6
1.1
1.2
1.3
1.4
1.5
1.6
1.7
2
Safety .............................................................................................................6
General characteristics ................................................................................... 7
Power supply of the analyzer..........................................................................8
Tightness and outdoor operation ....................................................................9
Mounting on DIN rail ..................................................................................... 10
Measured parameters .................................................................................. 11
Compliance with standards .......................................................................... 12
Operation of the analyzer .................................................................... 14
2.1
2.2
2.3
2.4
2.5
Buttons ......................................................................................................... 14
Switching the analyzer ON/OFF ................................................................... 14
Auto-off ......................................................................................................... 15
PC connection and data transmission .......................................................... 15
Taking measurements .................................................................................. 16
2.5.1
2.5.2
2.5.3
2.6
2.7
2.8
Start / stop of recording ....................................................................................... 16
Inrush current measurement ............................................................................... 16
Approximate recording times .............................................................................. 16
Measuring arrangements .............................................................................. 17
Key Lock ....................................................................................................... 23
Sleep mode .................................................................................................. 23
3
"Sonel Analysis 2" software ................................................................ 23
4
Design and measurement methods .................................................... 24
4.1
4.2
Voltage Inputs............................................................................................... 24
Current inputs ............................................................................................... 24
4.2.1
4.3
4.4
4.5
4.6
4.7
5
Calculation formulas ............................................................................ 30
5.1
5.2
5.3
5.4
5.5
6
One-phase network ...................................................................................... 30
Split-phase network ...................................................................................... 33
3-phase wye network with N conductor ........................................................ 35
3-phase wye and delta network without neutral conductor ........................... 37
Methods of parameter‘s averaging ............................................................... 39
Power Quality - a guide ........................................................................ 40
6.1
6.2
6.2.1
6.2.2
3
Digital integrator.................................................................................................. 24
Signal sampling ............................................................................................ 25
PLL synchronization ..................................................................................... 25
Frequency measurement .............................................................................. 26
Harmonic components measuring method ................................................... 26
Event detection ............................................................................................. 28
Basic Information .......................................................................................... 40
Current measurement................................................................................... 41
Current transformer clamps (CT) for AC measurements ..................................... 41
AC/DC measurement clamps .............................................................................. 41