Transcription of Application Note AN0305 - elkor.net
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6 Bainard Street London, Ontario N6P 1A8 CANADA. Technologies Inc. tel(519)652-9959 fax(519)652-1057. Application Note AN0305 . Introduction to Current Transformers Summary Current transformers are devices used to scale large primary currents to a smaller, easy to measure, secondary currents. Like a traditional voltage transformer, the ratio of the windings determines the relation between the input and output currents. Current transformers of various shapes and sizes are used as an interfacing solution between high currents and instrumentation devices. Current transformers (CTs) are an indispensable tool of the current on the output. The output of a CT. to aid in the measurement of AC current. They acts as a current source. provide a means of scaling a large primary (input). current into a smaller, manageable output CT Core Material and Types (secondary) current for measurement and instrumentation.
7/5/2006, rev A - 2 - AN0305 © Elkor Technologies Inc. 2006 core CTs tend to have lower accuracy and worse
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