Cirrus Logic AN365 - Manual (Page 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
0.1
0.2
0.3
0.01 0.1 1 10 100
P
e
rcentag
e
E
rror (%)
Load Current (A)
PF = 1 Lagging PF = 0.5 Leading PF = 0.5
Figure 7. Active Energy Load Performance