4
4.4 Basic Settings
62
Power Meter SICAM P 7KG7750/55, Manual
E50417-B1076-C340-A6, Edition 09.2013
Caution
•
You must make these settings for a direct connection or for a connection with current trans-
formers.
•
The selected measuring range must be greater than the secondary rating of the current
transformer!
•
The accuracy of SICAM P (see table 3-3) is based on the selected measuring range.
•
The determination of this range indicates the maximum current value that can be displayed
on the device.
Example
CT rating: 500 / 1 A
Measuring range 1.2 A:
Maximum display range: AC 0 A to 600 A
Measuring range 6 A:
Maximum display range: AC 0 A to 3000 A
4.4.2.2
Voltage Transformer
•
Yes:
Voltage transformers are utilized (max. primary: AC 1000 kV, secondary: AC 600 V)
•
No:
Voltage transformers are not utilized
Measuring range
•
132 V
nominal input AC 100/110 V
•
228 V
nominal input AC 190 V
•
480 V
nominal input AC 400 V
•
828 V
nominal input AC 690 V
Note
When you change the current transformer settings, the power calculation in the device has to be
reset.
*voltage transf.:No
kV/ V
*meas. range L-L 480V
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