Cirrus-logic AN365 Manual do Utilizador descarregar pdf (Página 8)

AN365

8 AN365REV1

4.2 Load Performance with Rogowski Coil TR9L

4.2.1 Active Energy Load Performance

Power Factor Load Current (A) Current Dynamic Range (x:1) Error

PF = 1

120 1 0.01%

60 2 0.04%

12 10 0.06%

1.2 100 0.02%

0.24 500 0.01%

0.12 1000 0.00%

0.06 2000 -0.02%

0.036 3333 0.00%

0.03 4000 0.02%

Lagging PF = 0.5

120 1 0.05%

60 2 0.04%

12 10 0.03%

1.2 100 -0.06%

0.24 500 0.05%

0.12 1000 0.01%

0.06 2000 -0.01%

Leading PF = 0.5

120 1 0.01%

60 2 -0.02%

12 10 -0.03%

1.2 100 -0.03%

0.06 2000 -0.09%

Table 6. Active Energy Load Performance

-0.3

-0.2

-0.1

0.1

0.2

0.3

0.01 0.1 1 10 100

Percentage Error (%)

Load Current (A)

PF = 1 Lagging PF = 0.5 Leading PF = 0.5

Figure 7. Active Energy Load Performance

1 2 3 4 5 6 7 8 9 10 11 12 13 14

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Cirrus-logic AN365 Manual do Utilizador Página 8