Cirrus-logic AN365 Manuale Utente Scaricare il pdf (Pagina 12)

AN365

12 AN365REV1

4.3.2 Reactive Energy Load Performance

Figure 11. Reactive Energy Load Performance

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

sin = 1

120 1 -0.02%

60 2 -0.02%

12 10 -0.03%

1.2 100 -0.03%

0.24 500 0.03%

0.12 1000 0.01%

0.06 2000 0.02%

0.036 3333 0.09%

0.03 4000 0.08%

Lagging  = 0.5

120 1 0.19%

60 2 0.19%

12 10 0.19%

1.2 100 0.17%

0.24 500 0.20%

0.12 1000 0.26%

0.06 2000 0.23%

Leading  = 0.5

120 1 -0.23%

60 2 -0.22%

12 10 -0.24%

1.2 100 -0.24%

0.24 500 -0.2%

0.12 1000 -0.16%

0.06 2000 -0.17%

Table 10. Reactive Energy Load Performance

-1

-0.5

0.5

0.01 0.1 1 10 100

Percentage Error (%)

Load Current (A)

sin ࢥ = 1 Lagging sin ࢥ = 0.5 Leading sin ࢥ = 0.5

1 2 ... 7 8 9 10 11 12 13 14

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Cirrus-logic AN365 Manuale Utente Pagina 12