GDZX ZXHQ-A+ CT, Руководство пользователя, Страница: 9 / 23

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Figure 16 Figure 17
Figure 18 Figure 19
Setting of error curve
VA
：
CT secondary side impedance value.
I-sn
：
CT secondary side rating current (1A or 5A).
Kalf
：
As for protection type CT (5P10 20VA)
，
“10”is Kalf
5%
：
Calculate the 5% error curve data and display the error curve.
10%
：
Calculate the 10% error curve data and display the error curve.
Error Curve Function Items
Print
：
print the error curve graphics and data.
Data
：
inquire error curve graphics and data.
Back
：
return to the previous menu.
2) PT Excitation Characteristic Test (with connection mode shown in Figure 3)
Move the controller to Excitation , to enter PT Test interface(Figure 20)
U-sn : 100V
、
100/√3V
、
100/3V
、
150V
、
220V.
Current : the setting range for output current is 0
～
20A (It is usually set to be 1A)