This post covers What is current transformer on PCB?, What is the purpose of a current transformer?, What does a transformer do on a PCB?
What is current transformer on PCB?
A current transformer on a PCB (printed circuit board) is a miniature version of a conventional current transformer designed for integration into electronic circuits. It is used to measure alternating current (AC) by producing a reduced current that is proportional to the current flowing through the primary conductor. This reduced current can then be monitored and analyzed by the circuit. Current transformers on PCBs are essential for providing current measurement and protection functionality in various electronic applications.
What is the purpose of a current transformer?
The primary purpose of a current transformer (CT) is to measure high current levels flowing through an electrical conductor by converting them to a lower, more manageable current that can be safely monitored and measured by instruments. This is particularly important for monitoring, controlling and protecting electrical power systems, as it allows accurate current measurement without directly exposing measuring devices to high current levels.
What does a transformer do on a PCB?
On a PCB, a transformer serves several potential functions, depending on the circuit design and application. It can be used to provide isolation between different parts of the circuit, to step up or exceed voltage levels, or to convert AC to DC (or vice versa). Transformers on PCBs ensure that sensitive electronic components are protected from high voltages and provide the necessary voltage levels for the circuit to function properly.
Current transformers (CTS) and potential transformers (PT) are used for different purposes in power systems. CTs are used to measure current, while pts (also called voltage transformers) are used to measure voltage. Both types of transformers provide a scale representation of the current or voltage in the primary circuit, allowing safe and accurate measurement by instruments. These measures are crucial to monitor, control and protect electrical power systems, ensuring efficient and safe operation.
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