Experimental results

AN3157

12/26

Doc ID 17105 Rev 1

4

Experimental results

4.1

3-phase energy measurement accuracy

4.1.1

This 3-phase energy measurement has been carried out in the following conditions:

Table 5.

3-phase energy measurement

I (A)

% of In

Error (%)

10

200%

0.013%

8

160%

0.018%

5

100%

0.013%

2

40%

0.112%

1

20%

0.086%

0.5

10%

0.160%

0.2

4%

0.543%

Figure 9.

Experimental results graph of the 3-phase energy measurement

0,013%

0,013%

0,018%

0,112%

0,086%

0,160%

0,543%

-2,0%

-1,5%

-1,0%

-0,5%

0,0%

0,5%

1,0%

1,5%

2,0%

1%

10%

100%

1000%

% of In

Class 1 limits

0,013%

0,013%

0,018%

0,112%

0,086%

0,160%

0,543%

-2,0%

-1,5%

-1,0%

-0,5%

0,0%

0,5%

1,0%

1,5%

2,0%

1%

10%

100%

1000%

% of In

Class 1 limits