Voltage Transformer
5 - 21
VT Electronics
Use the
VTElectronics
test card to test the ratio of non-conventional electronic
voltage transformers with a very low level secondary voltage.
To carry out this test, disconnect the plug of the electronic transformer’s
secondary side from the protection relay, plug it into
CPC 100
V2AC
input, and
inject voltage from the
2kV AC
output to the electronic transformer’s primary
side.
Figure 11:
Setup for an electronic
voltage transformer
ratio test
electronic voltage transformer
electronic
protection
relay with
low
voltage
input
Shielded cable with
twisted wires
Please refer to the note below.
Summary of Contents for CPC 100
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Page 28: ...CPC 100 V1 41 1 16...
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Page 250: ...CPC 100 V1 41 8 32 Figure 24 Settings of Amplifier test card for this example use case...
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Page 282: ...CPC 100 V1 41 12 10 Figure 9 Saving tests with the CPC Editor...
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Page 372: ...OMICRON Contact Addresses 22...