This application note gives examples on how to perform some typical tests on current transformers (CTs) with SVERKER 900. These tests are common to perform for instance during commissioning.
Tests
Ratio and polarity test with AC current ▪ Polarity test with DC current
Polarity and ratio test with AC voltage ▪ Burden impedance test
Secondary resistance test (RCT) with DC current ▪ Magnetization curve test
Primary injection test – with load connected
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