Texas Instruments TIDA-010037, Manual

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Table 3-11. Cumulative Phase Active Energy % Error
Versus Voltage, One-Voltage Mode
VOLTAGE (V) % ERROR
240 –0.005
120 –0.024
60 –0.031
30 –0.036
15 –0.043
Table 3-12. Cumulative Phase Active Energy % Error Versus Current, One-
Voltage Mode
CURRENT (A) 0° 60° –60°
0.05 –0.058 –0.045 –0.147
0.10 –0.045 –0.007 –0.096
0.25 –0.019 0.019 –0.083
0.50 –0.0255 0.032 –0.07
1.00 –0.011 0.019 –0.058
2.00 –0.017 0.025 –0.07
5.00 –0.0233 0.011 –0.053
10.00 –0.0177 0.005 –0.04
20.00 –0.026 –0.0023 –0.0355
30.00 –0.017 –0.019 –0.0123
40.00 –0.013 –0.0225 –0.01
50.00 –0.031 –0.058 –0.001
60.00 –0.023 –0.06 0.012
70.00 –0.0183 –0.058 0.023
80.00. –0.005 –0.052 0.027
90.00 –0.009 –0.049 0.036
100.00 0.0013 –0.045 0.045
Current (A)
Ac
ti
ve
En
ergy
Error
(%
)
0 10 20 30 40 50 60 70 80 90 100
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
D004
0°
60°
-60°
Figure 3-20. Cumulative Phase Active Energy % Error Versus Current, One-Voltage Mode
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50 High-Accuracy Split-Phase CT Electricity Meter Reference Design Using
Standalone ADCs TIDUEM8B – MARCH 2019 – REVISED FEBRUARY 2021
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