71M6533 Datasheet, PDF (112/124 Pages) Teridian Semiconductor Corporation – Energy Meter IC

71M6533/71M6534 Data Sheet
FDS_6533_6534_004
5.6 Typical Performance Data
5.6.1 Accuracy over Current
Figure 46 shows meter accuracy over current for various line frequencies. Figure 47 shows meter accu-
racy over current at various load angles.
6533/34 Wh Performance, Equation 5, 45 Hz, 55 Hz, 65 Hz - 240 V - 0° Phase
Angle
0.5
0.4
0.3
45 Hz
0.2
55 Hz
65 Hz
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0.1
1
10
100
Current (A rms)
1000
Figure 46: Wh Accuracy (0.1 A - 200 A, 240 V, Room Temperature) at Various Frequencies (Diffe-
rential Mode, CTs)
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
0.01
71M6533/6534 Wh Accuracy at Various Phase Angles
Equation 5, 240 V
0°
60°
300°
I [A]
0.1
1
10
100
Figure 47: Typical Wh Accuracy (0.02 A - 200 A, 240 V, Room Temperature), Various Load Angles
(Differential Mode, CTs)
112
© 2007-2009 TERIDIAN Semiconductor Corporation
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