Ht-instruments PQA820 Bedienungsanleitung PDF herunterladen (Seite 3)

PQA820

EN – 2

12.1. Voltage Anomalies .................................................................................................. 22

12.2. Voltage and current harmonics ............................................................................... 23

12.2.1. Limit values for harmonics ......................................................................................... 24

12.2.2. Causes of the presence of harmonics ........................................................................ 24

12.2.3. Consequence of the presence of harmonics .............................................................. 25

12.3. Definitions of power and power factor .................................................................... 26

12.3.1. Conventions on powers and power factors ................................................................ 27

12.4. Information on the measuring method .................................................................... 29

12.4.1. Integration period ....................................................................................................... 29

12.4.2. Calculation of the power factor ................................................................................... 29

13. SERVICE ................................................................................................................ 30

13.1. Warranty conditions ................................................................................................ 30

13.2. Service .................................................................................................................... 30

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Ht-instruments PQA820 Bedienungsanleitung Seite 3