- on Test & Measurement
- Published in issue 12/2014 on page 74
Improved Current Transformer
This report is a response to the two publications by Martin Ossmann in the April and May 2014 editions about the dimensioning and use of current transformers. Martin aims to reduce the lower cut-off frequency, determined by L/R, by looking at the core material, among other things. While the method is not incorrect, similar results can be achieved much easier as shown in the report below.