Electrical engineers should be well aware of thisTypes of current sensorsOverall, there are two types of sensors: open-loop and closed-loop. So, what are the characteristics and differences in the application of these two sensors? We need to have a deeper discussion with the engineers at Wekeway.

Open loop current sensors can be used for the following applications:

Battery powered circuits (due to their low power configuration) do not require high precision in driving torque for applications such as fan and pump current measurement, welding machines, battery management systems, variable speed drives, and uninterruptible power supply applications,

Closed loop current sensors can be used for the following applications:

Variable speed drive (when accuracy and linearity are crucial), servo control, overcurrent protection, ground fault detector, AC and DC industrial drives, robot control, energy measurement applications

For each sensor, the ideal final result should be the driving factor for selecting the sensor type.

As a fundamental component of circuits, accurate measurement of current is essential in countless applications. Can you imagine a power company not knowing how many amperes it can generate? Or do they not know how much energy the customer has used? That's certainly absurd. However, there are millions of other purposes and requirements for current measurements. In fact, these requirements can be divided into open-loop or closed-loop. Please note not to confuse the type of current sensor with the open-loop or closed-loop sensor described in the previous section. What we are discussing here is whether the current measurement application itself is open-loop or closed-loop. In closed-loop current measurement applications, we need to know the current because we need to control it in real-time. Applications include: components that must limit current to no more than a certain level, such as switch mode power supplies and battery chargers, automatic shutdown functions for critical systems based on current consumption, current controlled solenoid valves for cars, airplanes, etc., and bias current control for power amplifiers. There are more. In open-loop current measurement applications, real-time control is not required, but we need to know the current values used for various purposes, including the research and development of electric motors for automobiles, trains, consumer goods, energy consumption for revenue purposes, testing the performance of aircraft, rockets, etc. used as motors, measuring the current supply and consumption of electric trains and the third rail and contact network systems that power them, and the application of power quality for energy producers and consumers. There are millions of applications in research, manufacturing, automotive, aerospace, military, health science, education, industrial automation, and other fields.