Current Transformer
4 - 39
Test Settings
Figure 23:
CTRogowski test card
with test results
Navigate to the parameter fields, and enter the values according to your test
requirements:
Range: output range
Iprim:
(upper field)
nominal primary current of Rogowski coil
Vsec: nominal secondary voltage of Rogowski coil
fnom: nominal frequency of the Rogowski coil’s secondary voltage
Itest: primary injection current
f: frequency of injected current Itest
Auto: select check box for automatic test (default), clear for manual
test (refer to page 4-41).
Note: When using the CTRogowski test card, the 3V V2AC input
uses an additional software-based integration method.
In the range of 50Hz < f < 60Hz, this results in a phase shift of
90° as well as an additional phase error of +/- 0.1° and an
additional amplitude error of +/- 0.01%. For frequencies in the
range of 15Hz < f < 400Hz, the phase error is not specified, and
the amplitude error can be up to +/- 0,50% higher.
Therefore, for phase measurements, use a frequency range of
50Hz < f < 60Hz only.
To Next Page
Loading...
Need help?
General
