Current Sense Transformers are specialized electronic components designed to accurately measure and monitor the current flowing through a conductor. These transformers work by producing a secondary current that is proportional to the primary current passing through them, without interrupting the main circuit. Essentially, they function as sensors that detect the electrical current flow, enabling precise control and feedback for power management systems. Their main functions include detecting overcurrent conditions, measuring electrical consumption, and providing inputs for digital meters and protective relays.
The main uses of Current Sense Transformers are found in a range of electronic applications where monitoring current is crucial for safety, efficiency, and performance. They are characteristic for their high accuracy, wide sensing range, and ability to handle large currents without direct electrical connection to the primary circuit, making them ideal for power supply units, motor controls, and battery management systems. Some reputable manufacturers of Current Sense Transformers include Eaton, Bourns, Pulse Electronics, and LEM, among others.