Current transformers (CTs) used for metering purposes in medium-voltage power systems must have a high accuracy from class 0.5 up to class 0.1 to ensure accurate billing. Therefore, it is essential to inspect and calibrate metering CTs at regular intervals.

In this episode, SENSELEQ Business Development Engineer Roland Bürger and OMICRON product manager for instrument transformer testing Felix Feustel share their insights into this topic.

They discuss how current transformers are used in the metering process, why their accuracy is so important and how to avoid errors that can lead to inaccurate billing and revenue losses.

In addition, they explain how and when instrument transformer testing plays an important role in assuring the accuracy of metering CTs and which measurement solutions are used.

More information about instrument transformer testing can be found here: [Instrument Transformer Testing]

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