Understanding Current Transformers (CTs) and Cable Type CT Metering

Introduction: Current Transformers (CTs) play a crucial role in the field of electrical engineering and power systems. They are instrumental in measuring and monitoring electrical currents in various applications, providing essential data for accurate metering and protection. In this article, we will delve into the intricacies of current transformers, with a focus on cable-type current transformers and their role in metering applications. Purpose of Current Transformers: Current transformers are devices designed to transform high currents in power systems into standardized, measurable currents suitable for instruments and relays. Their primary purpose is to ensure safe and accurate monitoring of current flow without directly exposing measuring instruments to high voltage. Structure and Working Principle: Current transformers typically consist of a primary winding, which is connected in series with the power circuit, and a secondary winding connected to the measuring or protection...