Manual

AN362
12 AN362REV1
5.1Accuracy Results for Active Energy Load Performance
Figure 11. 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 0.02%
10 10 0.01%
1 100 0.02%
0.2 500 0.00%
0.1 1000 0.06%
0.05 2000 0.06%
0.03 3333 0.05%
0.025 4000 0.03%
Lagging PF = 0.5
100 1 -0.02%
10 10 0.02%
1 100 0.02%
0.2 500 -0.03%
0.1 1000 -0.02%
0.05 2000 0.04%
Leading PF = 0.5
100 1 -0.01%
10 10 0.01%
1 100 -0.04%
0.2 500 -0.09%
0.1 1000 -0.03%
0.05 2000 0.04%
Table 7. Active Energy Load Performance
-0.6
-0.4
-0.2
0
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
n
= 240 V, I
b(max)
= 2.5 (100 A) at 50 Hz