Details:
The magnetic flux generated by the primary current gathers in the magnetic circuit and is detected by the Hall element at the air gap, inducing a voltage signal. After amplification by the op amp circuit, the voltage signal output by the sensor is convenient for sampling and processing by the back-end circuitry. This voltage signal is linearly related to the primary current and accurately reflects changes in the primary current.
Open-loop current sensors are characterized by their small size, simple structure, strong overload capacity, light weight, and low power consumption. The SCHOB type can measure higher rated currents than the SCHOA type.
Recommended applications:
UPS, photovoltaic inverters, combiner boxes, switching power supplies, frequency converters, etc.
