AEMC PowerPad 3945 User Manual page 5

3-phase power quality analyzer
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MAINTENANCE............................................................................. 79
7.1
Recharging and Changing the Battery .............................................. 79
7.2
Cleaning ............................................................................................ 79
APPENDIX .................................................................................... 80
8.1
Mathematical Formulas for Various Parameters ............................... 80
8.1.1
8.1.2
8.1.3
8.1.4
8.1.5
8.1.6
8.1.7
8.1.8
8.1.9
8.1.10 K Factor ............................................................................... 83
8.1.11 Different Power Levels 1 sec ............................................... 83
8.1.12 Ratios................................................................................... 84
8.1.13 Various Types of Energy ...................................................... 84
8.1.14 Hysteresis ............................................................................ 85
MIN / MAX Values for Voltage and Current.......................... 80
Peak Values for Voltage and Current................................... 80
Peak Factors for Current and Voltage ................................. 81
1 sec RMS values for voltage and current ........................... 81
Voltage and Current Unbalance........................................... 81
THD Calculation................................................................... 82
Calculation of Harmonic Bins............................................... 82
Distortion Factor Calculation (DF)........................................ 83

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