Impedance Measurement - Omicron Lab CT Analyzer User Manual

CT Analyzer User Manual
8.9

Impedance Measurement

How to get there:
Press the Main soft key in
any test card
Main Menu:
- New Quick-Test
OK soft key
CT-Quick card:
Measurement Type:
Impedance
156
5. Stop the measurement by pressing the
or clicking the OFF button on the Resistance tab of the CTA QuickTest
software.
Live display of winding
resistance
Figure 8-18 Results test card for VT winding resistance measurement
This is a predefined measurement type, intended especially for the quick
measurement of impedances.
To select the Impedance measurement type, use the
the cursor to the Measurement Type field in the CT-Quick card and then press
the Imped. soft key.
Figure 8-19 CT-Quick card and Results card for impedance measurement
For the Impedance measurement type, the CT-Quick card holds the following
measurement quantities:
Parameter Description
Output The output signal type is fixed to "AC".
V/I Operating mode of the internal signal generator: voltage or
current source. Fixed to "Current".
Amplitude RMS value of the output current. Adjustable by the user.
Possible values: 0 to 5A. Default: 1.00A.
key on the CT Analyzer again
I/0
cursor key to move