Cirrus-logic AN362 Manual de usuario descargar pdf (Pagina 8)

AN362

8 AN362REV1

4.1Accuracy Results for Active Energy Load Performance

Figure 7. Active Energy Load Performance vs IEC 62053-22 Class 0,2S Standard

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

PF = 1

100 1 0.04%

10 10 0.03%

1 100 0.04%

0.2 500 0.03%

0.1 1000 0.04%

0.05 2000 0.01%

0.03 3333 0.03%

0.025 4000 0.09%

Lagging PF = 0.5

100 1 -0.02%

10 10 0.07%

1 100 0.11%

0.2 500 0.11%

0.1 1000 0.09%

0.05 2000 0.05%

Leading PF = 0.5

100 1 0.08%

10 10 0.00%

1 100 -0.04%

0.2 500 -0.08%

0.1 1000 -0.14%

0.05 2000 -0.14%

Table 4. Active Energy Load Performance

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.01 0.1 1 10 100

Percent Error (%)

Load Current (A)

PF = 1 Lagging PF = 0.5 Leading PF = 0.5

IEC 62053-22 Class 0,2S Spec, PF = 1

IEC 62053-22 Class 0,2S Spec, Lagging PF = 0.5 or Leading PF = 0.8

Note: CS5480, where U

= 240 V, I

b(max)

= 2.5 (100 A) at 50 Hz

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Application Note 1
• Phase compensation 2
= 240V and I 3
= 2(80A) at 50Hz 3
= 2 (80 A) at 50 Hz 4
3.3Accuracy Results for I 6
4.3Accuracy Results for I 10
Load Current Performance 10
= 240V and I 11
= 2.5(100A) at 50Hz 11
Note: CS5480, where U 12
= 240 V, I 12
= 2.5 (100 A) at 50 Hz 12
6. Summary 14
5.2Accuracy Results for I 14
7. Revision History 15
16 AN362REV1 16

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Cirrus-logic AN362 Manual de usuario Pagina 8

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