AN4121

Experimental results

Doc ID 023243 Rev 1

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Figure 9.

Graph of experimental results of three-phase energy measurements

4.1.2

Test with symmetrical voltages and balanced load at PF = 0.5 inductive

and PF = 0.8 capacitive

This three-phase energy measurement has been performed in the following conditions:

PF = 0.5 ind

PF = 0.8 cap

Table 8.

Limits for class 0,2 meters: poly-phase meters with symmetrical voltages

and balanced loads at PF = 1

I [A]

error [%]

-

± 0,2%

In

100%

± 0,2%

0,05*In

5%

± 0,2%

0,0499*In

4,99%

± 0,4%

0,01*In

1%

± 0,4%

AM12746v1

0,076%

0,040%

0,035%

-0,008%

0,027%

0,035%

-0,065%

-0,087%

-0,096%

-0,087%

-0,096%

-0,096%

-0,352%

-0,435%

-0,487%

-0,6%

-0,5%

-0,4%

-0,3%

-0,2%

-0,1%

0,0%

0,1%

0,2%

0,3%

0,4%

0,5%

0,01%

0,10%

1,00%

10,00%

100,00%

% of FS

Class 0.2 limits