Vt Ratio Measurement Using Quicktest - Omicron Lab CT Analyzer User Manual

CT Analyzer User Manual
2.5.5

VT Ratio Measurement Using QuickTest

38
To measure the ratio of VTs using the CT Analyzer, you can either use the
Quick Test function of the CT Analyzer (see chapter 8 on page 135) or the
CTA QuickTest PC tool which is part of the CT Analyzer PC Toolset.
Observe the general safety rules in section 2.1 on page 21.
Warning: For VT ratio measurement using the Quick Test feature, the
CT Analyzer output has to be connected to the primary side of the VT.
Connecting the CT Analyzer output to the secondary side of the VT by mistake
will cause hazardous voltages on the primary side!
For VT ratio measurements using Quick Test, connect the CT Analyzer as
shown in Figure 2-16. For a detailed description on how to perform such
measurements, please refer to section 8.7 on page 151.
1. Connect the "Output" sockets and input "Sec" of the CT Analyzer to the
primary side of the VT.
2. Connect input "Prim" of the CT Analyzer to the secondary winding of the VT.
a
A
n
N
Figure 2-16 Connecting the VT for ratio measurement using the
CT Analyzer